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<!--
|
||
UID=21635
|
||
ConceptID=C0040822
|
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-->
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||
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Tremor</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>21635</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0040822</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Sign or Symptom</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonym:</td>
|
||
<td>tremors</td></tr>
|
||
<tr><td><span class="bold">SNOMED CT: </span></td>
|
||
<td>Tremor (26079004); Shaking (26079004); Shakes (26079004); The shakes (26079004); Shaking all over (26079004); Has a tremor (26079004)</td></tr>
|
||
<tr><td colspan="2" class="small"> </td></tr><tr><td>HPO:</td>
|
||
<td><a target="_blank" title="Human Phenotype Ontology" href="https://hpo.jax.org/app/browse/term/HP:0001337">HP:0001337</a></td></tr>
|
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<div class="portlet mgSection" id="ID_100">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln">An unintentional, oscillating to-and-fro muscle movement about a joint axis. [from <a title="Human Phenotype Ontology" href="http://www.human-phenotype-ontology.org" class="defSource" target="_blank">HPO</a>]</div>
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<div class="portlet mgSection" id="ID_118">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Term_Hierarchy">Term Hierarchy</h1><a sid="118" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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<div class="portlet_content ln HierarchyGTR"><div class="jig-ncbitabs"><ul><li><a href="#tabGTR">GTR</a></li><li><a href="#tabMGEN">MeSH</a></li></ul><div id="tabGTR"><div class="search_result"><div class="rprts"><div class="chiclet_legend"><span class="chiclet_list" style="position:static;"><span title="Clinical test" class="chiclet Ccolor round">C</span><span>Clinical test, </span><span title="Research test" class="chiclet Rcolor round">R</span><span>Research test, </span><span title="OMIM" class="chiclet Ocolor ">O</span><span>OMIM, </span><span title="GeneReview" class="chiclet Gcolor">G</span><span><em>GeneReviews</em>, </span><span title="ClinVar" class="chiclet Vcolor">V</span><span>ClinVar </span></span></div><div id="hierarchy" class="margin_t1"><div class="ds_tree"><ul><li class="matched_ds"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C0040822[DISCUI]&test_type=Clinical" ref="ncbi_uid=21635">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&from_uid=21635" ref="ncbi_uid=21635">V</a></span></span><span class="TLline">Tremor</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/1254" ref="tree=MeSH" title="MedGen record for Fetal anomaly">Fetal anomaly</a></span><ul><li><span class="TLline"><a href="/medgen/474891" ref="tree=MeSH" title="MedGen record for Congenital Systemic Disorder">Congenital Systemic Disorder</a></span><ul><li><span class="TLline"><a href="/medgen/105425" ref="tree=MeSH" title="MedGen record for Abnormality of the nervous system">Abnormality of the nervous system</a></span><ul><li><span class="TLline"><a href="/medgen/868417" ref="tree=MeSH" title="MedGen record for Abnormal nervous system physiology">Abnormal nervous system physiology</a></span><ul><li><span class="TLline"><a href="/medgen/10113" ref="tree=MeSH" title="MedGen record for Movement disorder">Movement disorder</a></span><ul><li><span class="TLline"><a href="/medgen/8514" ref="tree=MeSH" title="MedGen record for Dyskinesia">Dyskinesia</a></span><ul><li><span class="matched_ds">Tremor</span><ul><li><span class="TLline"><a href="/medgen/65875" ref="tree=MeSH" title="MedGen record for Action tremor">Action tremor</a></span><ul><li><span class="TLline"><a href="/medgen/868202" ref="tree=MeSH" title="MedGen record for Isometric tremor">Isometric tremor</a></span></li><li><span class="TLline"><a href="/medgen/1638576" ref="tree=MeSH" title="MedGen record for Kinetic tremor">Kinetic tremor</a></span><ul><li><span class="TLline"><a href="/medgen/1642960" ref="tree=MeSH" title="MedGen record for Intention tremor">Intention tremor</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/66696" ref="tree=MeSH" title="MedGen record for Postural tremor">Postural tremor</a></span></li><li><span class="TLline"><a href="/medgen/488794" ref="tree=MeSH" title="MedGen record for Titubation">Titubation</a></span><ul><li><span class="TLline"><a href="/medgen/299071" ref="tree=MeSH" title="MedGen record for Head titubation">Head titubation</a></span></li><li><span class="TLline"><a href="/medgen/382380" ref="tree=MeSH" title="MedGen record for Truncal titubation">Truncal titubation</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/868495" ref="tree=MeSH" title="MedGen record for Vocal tremor">Vocal tremor</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/115916" ref="tree=MeSH" title="MedGen record for Asterixis">Asterixis</a></span></li><li><span class="TLline"><a href="/medgen/753053" ref="tree=MeSH" title="MedGen record for Psychogenic tremor">Psychogenic tremor</a></span></li><li><span class="TLline"><a href="/medgen/66697" ref="tree=MeSH" title="MedGen record for Resting tremor">Resting tremor</a></span><ul><li><span class="TLline"><a href="/medgen/199684" ref="tree=MeSH" title="MedGen record for Pill-rolling tremor">Pill-rolling tremor</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/196693" ref="tree=MeSH" title="MedGen record for Rubral tremor">Rubral tremor</a></span></li><li><span class="TLline"><a href="/medgen/868201" ref="tree=MeSH" title="MedGen record for Tremor by anatomical site">Tremor by anatomical site</a></span><ul><li><span class="TLline"><a href="/medgen/68689" ref="tree=MeSH" title="MedGen record for Hand tremor">Hand tremor</a></span></li><li><span class="TLline"><a href="/medgen/68690" ref="tree=MeSH" title="MedGen record for Head tremor">Head tremor</a></span></li><li><span class="TLline"><a href="/medgen/115980" ref="tree=MeSH" title="MedGen record for Limb tremor">Limb tremor</a></span><ul><li><span class="TLline"><a href="/medgen/357212" ref="tree=MeSH" title="MedGen record for Upper limb postural tremor">Upper limb postural tremor</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/1630952" ref="tree=MeSH" title="MedGen record for Lip tremor">Lip tremor</a></span></li><li><span class="TLline"><a href="/medgen/1630956" ref="tree=MeSH" title="MedGen record for Tongue tremor">Tongue tremor</a></span></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></div></div></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_112">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Conditions_with_this_feature">Conditions with this feature</h1><a sid="112" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln clinfeat">
|
||
<div class="divPopper rprt" id="rdis_439"><div><strong>Ataxia-telangiectasia syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>439</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0004135</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The phenotypic spectrum of ataxia-telangiectasia (A-T), a multisystem disorder, is a continuum ranging from classic A-T at the severe end and variant A-T at the milder end. Nonetheless, distinguishing between classic A-T and variant A-T on this spectrum helps understand differences in disease course, rate of progression, and life expectancy. Classic A-T is characterized by childhood onset of progressive neurologic manifestations (initially cerebellar ataxia, followed typically by extrapyramidal involvement and peripheral sensorimotor neuropathy), immunodeficiency (variably associated with abnormalities of humoral immunity, cellular immunity, or combined immune deficiency), pulmonary disease (resulting from recurrent infections, immune deficiency, aspiration, interstitial lung disease, and neurologic abnormalities), and increased risk of malignancy. Although it is generally accepted that intellectual disability is not common in A-T, disturbances in cerebellar as well as non-cerebellar brain areas and networks may result in cognitive deficits. Increased sensitivity to ionizing radiation (x-ray and gamma ray) can result in severe side effects from such treatments. Life expectancy is significantly reduced due to cancer, pulmonary disease, and infections. Variant A-T has a significantly milder disease course. While cerebellar ataxia can be absent, extrapyramidal movement disorders are common (typically dystonia and dystonic tremor) and most individuals have manifestations of axonal sensorimotor polyneuropathy. In contrast to classic A-T, immune function is generally normal, respiratory infections are not increased, and pulmonary disease is not a major feature. However, risk of developing malignancies is increased, particularly in premenopausal females who have an increased risk of developing breast cancer and hematologic malignancies.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/439">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_3347"><div><strong>Chédiak-Higashi syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>3347</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0007965</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Chediak-Higashi syndrome (CHS) is characterized by partial oculocutaneous albinism (OCA), immunodeficiency, a mild bleeding tendency, and late adolescent- to adult-onset neurologic manifestations (e.g., learning difficulties, peripheral neuropathy, ataxia, and parkinsonism). While present in nearly all individuals with CHS, these clinical findings vary in severity. Of note, all individuals with CHS are at risk of developing neurologic manifestations and hemophagocytic lymphohistiocytosis (HLH). Individuals with severe childhood-onset presentations are considered to have "classic" CHS, whereas individuals with milder adolescent- to adult-onset presentations are considered to have "atypical" CHS. Because of the considerable overlap between classic CHS and atypical CHS, the disorder is best understood as a continuum of severe to milder phenotypes, with the universal feature being the pathognomonic giant granules within leukocytes observed on peripheral blood smear.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/3347">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_4886"><div><strong>Gerstmann-Straussler-Scheinker syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>4886</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0017495</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Genetic prion disease generally manifests with cognitive difficulties, ataxia, and myoclonus (abrupt jerking movements of muscle groups and/or entire limbs). The order of appearance and/or predominance of these features and other associated neurologic and psychiatric findings vary. The three major phenotypes of genetic prion disease are genetic Creutzfeldt-Jakob disease (gCJD), fatal familial insomnia (FFI), and Gerstmann-Sträussler-Scheinker (GSS) syndrome. Although these phenotypes display overlapping clinical and pathologic features, recognition of these phenotypes can be useful when providing affected individuals and their families with information about the expected clinical course. The age at onset typically ranges from 50 to 60 years. The disease course ranges from a few months in gCJD and FFI to a few (up to 4, and in rare cases up to 10) years in GSS syndrome.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/4886">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_6708"><div><strong>Pigmentary pallidal degeneration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>6708</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0018523</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pantothenate kinase-associated neurodegeneration (PKAN) is a type of neurodegeneration with brain iron accumulation (NBIA). The phenotypic spectrum of PKAN includes classic PKAN and atypical PKAN. Classic PKAN is characterized by early-childhood onset of progressive dystonia, dysarthria, rigidity, and choreoathetosis. Pigmentary retinal degeneration is common. Atypical PKAN is characterized by later onset (age >10 years), prominent speech defects, psychiatric disturbances, and more gradual progression of disease.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/6708">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_42426"><div><strong>Wilson disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>42426</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0019202</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Wilson disease is a disorder of copper metabolism that, when untreated, can present with hepatic, neurologic, or psychiatric disturbances – or a combination of these – in individuals ages three years to older than 70 years. Manifestations in untreated individuals vary among and within families. Liver disease can include recurrent jaundice, simple acute self-limited hepatitis-like illness, autoimmune-type hepatitis, fulminant hepatic failure, or chronic liver disease. Neurologic presentations can include dysarthria, movement disorders (tremors, involuntary movements, chorea, choreoathetosis), dystonia (mask-like facies, rigidity, gait disturbance, pseudobulbar involvement), dysautonomia, seizures, sleep disorders, or insomnia. Psychiatric disturbances can include depression, bipolar disorder / bipolar spectrum disorder, neurotic behaviors, personality changes, or psychosis. Other multisystem involvement can include the eye (Kayser-Fleischer rings), hemolytic anemia, the kidneys, the endocrine glands, and the heart.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/42426">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_61440"><div><strong>Pelizaeus-Merzbacher disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>61440</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0205711</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PLP1 disorders of central nervous system myelin formation include a range of phenotypes from Pelizaeus-Merzbacher disease (PMD) to spastic paraplegia 2 (SPG2). PMD typically manifests in infancy or early childhood with nystagmus, hypotonia, and cognitive impairment; the findings progress to severe spasticity and ataxia. Life span is shortened. SPG2 manifests as spastic paraparesis with or without CNS involvement and usually normal life span. Intrafamilial variation of phenotypes can be observed, but the signs are usually fairly consistent within families. Heterozygous females may manifest mild-to-moderate signs of the disease.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/61440">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_66355"><div><strong>Hereditary acrodermatitis enteropathica</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66355</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0221036</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Acrodermatitis enteropathica of the zinc deficiency type (AEZ) is characterized by intermittent simultaneous occurrence of diarrhea and dermatitis with failure to thrive. Alopecia of the scalp, eyebrows, and eyelashes is a usual feature. The skin lesions are bullous. Noteworthy is the cure by diodoquin, or diiodohydroxyquinoline (Dillaha et al., 1953; Bloom and Sobel, 1955). Rodin and Goldman (1969) described autopsy findings, including pancreatic islet hyperplasia, absence of the thymus and of germinal centers, and plasmocytosis of lymph nodes and spleen.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/66355">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_66358"><div><strong>Abortive cerebellar ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66358</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0221061</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">'Behr syndrome' is a clinical term that refers to the constellation of early-onset optic atrophy accompanied by neurologic features, including ataxia, pyramidal signs, spasticity, and mental retardation (Behr, 1909; Thomas et al., 1984). Patients with mutations in genes other than OPA1 can present with clinical features reminiscent of Behr syndrome. Mutations in one of these genes, OPA3 (606580), result in type III 3-methylglutaconic aciduria (MGCA3; 258501). Lerman-Sagie (1995) noted that the abnormal urinary pattern in MGCA3 may not be picked up by routine organic acid analysis, suggesting that early reports of Behr syndrome with normal metabolic features may actually have been 3-methylglutaconic aciduria type III.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/66358">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_75653"><div><strong>Purine-nucleoside phosphorylase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>75653</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268125</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Purine nucleoside phosphorylase deficiency is a rare autosomal recessive immunodeficiency disorder characterized mainly by decreased T-cell function. Some patients also have neurologic impairment (review by Aust et al., 1992).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/75653">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_120612"><div><strong>Xeroderma pigmentosum, group F</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>120612</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268140</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Xeroderma pigmentosum (XP) is characterized by: Acute sun sensitivity (severe sunburn with blistering, persistent erythema on minimal sun exposure) with marked freckle-like pigmentation of the face before age two years; Sunlight-induced ocular involvement (photophobia, severe keratitis, atrophy of the skin of the lids, ocular surface neoplasms); Greatly increased risk of sunlight-induced cutaneous neoplasms (basal cell carcinoma, squamous cell carcinoma, melanoma) within the first decade of life. Approximately 25% of affected individuals have neurologic manifestations (acquired microcephaly, diminished or absent deep tendon stretch reflexes, progressive sensorineural hearing loss, progressive cognitive impairment, and ataxia). The most common causes of death are skin cancer, neurologic degeneration, and internal cancer. The median age at death in persons with XP with neurodegeneration (29 years) was found to be younger than that in persons with XP without neurodegeneration (37 years).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/120612">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_75657"><div><strong>Xeroderma pigmentosum, group G</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>75657</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268141</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Xeroderma pigmentosum (XP) is characterized by: Acute sun sensitivity (severe sunburn with blistering, persistent erythema on minimal sun exposure) with marked freckle-like pigmentation of the face before age two years; Sunlight-induced ocular involvement (photophobia, severe keratitis, atrophy of the skin of the lids, ocular surface neoplasms); Greatly increased risk of sunlight-induced cutaneous neoplasms (basal cell carcinoma, squamous cell carcinoma, melanoma) within the first decade of life. Approximately 25% of affected individuals have neurologic manifestations (acquired microcephaly, diminished or absent deep tendon stretch reflexes, progressive sensorineural hearing loss, progressive cognitive impairment, and ataxia). The most common causes of death are skin cancer, neurologic degeneration, and internal cancer. The median age at death in persons with XP with neurodegeneration (29 years) was found to be younger than that in persons with XP without neurodegeneration (37 years).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/75657">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_75661"><div><strong>Deficiency of cytochrome-b5 reductase</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>75661</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268193</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Methemoglobinemia due to NADH-cytochrome b5 reductase deficiency is an autosomal recessive disorder characterized clinically by decreased oxygen carrying capacity of the blood, with resultant cyanosis and hypoxia (review by Percy and Lappin, 2008). There are 2 types of methemoglobin reductase deficiency. In type I, the defect affects the soluble form of the enzyme, is restricted to red blood cells, and causes well-tolerated methemoglobinemia. In type II, the defect affects both the soluble and microsomal forms of the enzyme and is thus generalized, affecting red cells, leukocytes, and all body tissues. Type II methemoglobinemia is associated with mental deficiency and other neurologic symptoms. The neurologic symptoms may be related to the major role played by the cytochrome b5 system in the desaturation of fatty acids (Vives-Corrons et al., 1978; Kaplan et al., 1979).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/75661">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_75682"><div><strong>Dihydropteridine reductase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>75682</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268465</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Tetrahydrobiopterin deficiency is a rare disorder characterized by a shortage (deficiency) of a molecule called tetrahydrobiopterin or BH4. This condition alters the levels of several substances in the body, including phenylalanine. Phenylalanine is a building block of proteins (an amino acid) that is obtained through the diet. It is found in foods that contain protein and in some artificial sweeteners. High levels of phenylalanine are present from early infancy in people with untreated tetrahydrobiopterin deficiency. This condition also alters the levels of chemicals called neurotransmitters, which transmit signals between nerve cells in the brain.\n\nInfants with tetrahydrobiopterin deficiency appear normal at birth, but medical problems ranging from mild to severe become apparent over time. Signs and symptoms of this condition can include intellectual disability, progressive problems with development, movement disorders, difficulty swallowing, seizures, behavioral problems, and an inability to control body temperature.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/75682">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_120642"><div><strong>Dopa-responsive dystonia due to sepiapterin reductase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>120642</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268468</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The phenotypic spectrum of sepiapterin reductase deficiency (SRD), which ranges from significant motor and cognitive deficits to only minimal findings, has not been completely elucidated. Clinical features in the majority of affected individuals include motor and speech delay, axial hypotonia, dystonia, weakness, and oculogyric crises; symptoms show diurnal fluctuation and sleep benefit. Other common features include parkinsonian signs (tremor, bradykinesia, masked facies, rigidity), limb hypertonia, hyperreflexia, intellectual disability, psychiatric and/or behavioral abnormalities, autonomic dysfunction, and sleep disturbances (hypersomnolence, difficulty initiating or maintaining sleep, and drowsiness). Most affected individuals have nonspecific features in infancy including developmental delays and axial hypotonia; other features develop over time.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/120642">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_82813"><div><strong>gamma-Glutamyltransferase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>82813</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268524</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A disorder that is characterized by increased glutathione concentration in the plasma and urine.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/82813">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_76449"><div><strong>Sneddon syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>76449</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0282492</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Sneddon syndrome is a noninflammatory arteriopathy characterized by onset of livedo reticularis in the second decade and onset of cerebrovascular disease in early adulthood (summary by Bras et al., 2014). Livedo reticularis occurs also with polyarteritis nodosa, systemic lupus erythematosus, and central thrombocythemia, any one of which may be accompanied by cerebrovascular accidents (Bruyn et al., 1987).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/76449">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_138111"><div><strong>PMM2-congenital disorder of glycosylation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>138111</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0349653</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PMM2-CDG, the most common of a group of disorders of abnormal glycosylation of N-linked oligosaccharides, is divided into three clinical stages: infantile multisystem, late-infantile and childhood ataxia–intellectual disability, and adult stable disability. The clinical manifestations and course are highly variable, ranging from infants who die in the first year of life to mildly affected adults. Clinical findings tend to be similar in sibs. In the infantile multisystem presentation, infants show axial hypotonia, hyporeflexia, esotropia, and developmental delay. Feeding issues, vomiting, faltering growth, and developmental delay are frequently seen. Subcutaneous fat may be excessive over the buttocks and suprapubic region. Two distinct clinical courses are observed: (1) a nonfatal neurologic course with faltering growth, strabismus, developmental delay, cerebellar hypoplasia, and hepatopathy in infancy followed by neuropathy and retinitis pigmentosa in the first or second decade; and (2) a more severe neurologic-multivisceral course with approximately 20% mortality in the first year of life. The late-infantile and childhood ataxia–intellectual disability stage, which begins between ages three and ten years, is characterized by hypotonia, ataxia, severely delayed language and motor development, inability to walk, and IQ of 40 to 70; other findings include seizures, stroke-like episodes or transient unilateral loss of function, coagulopathy, retinitis pigmentosa, joint contractures, and skeletal deformities. In the adult stable disability stage, intellectual ability is stable; peripheral neuropathy is variable, progressive retinitis pigmentosa and myopia are seen, thoracic and spinal deformities with osteoporosis worsen, and premature aging is observed; females may lack secondary sexual development and males may exhibit decreased testicular volume. Hypogonadotropic hypogonadism and coagulopathy may occur. The risk for deep venous thrombosis is increased.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/138111">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_98284"><div><strong>Epilepsy with myoclonic atonic seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98284</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0393702</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SLC6A1-related neurodevelopmental disorder (SLC6A1-NDD) is characterized by mild-to-severe developmental delay and/or intellectual disability, hypotonia, epilepsy, movement disorders (e.g., tremor, stereotypies, ataxia), and neurobehavioral and/or psychiatric manifestations (e.g., autism spectrum disorder, attention-deficit/hyperactivity disorder, aggression, anxiety, and/or sleep disturbances). Language skills, particularly expressive language, are often more significantly affected than motor development. Developmental regression has been reported. Gastrointestinal manifestations (e.g., constipation, diarrhea) are also common.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/98284">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_98290"><div><strong>Charcot-Marie-Tooth disease X-linked dominant 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98290</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0393808</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">GJB1 disorders are typically characterized by peripheral motor and sensory neuropathy with or without fixed CNS abnormalities and/or acute, self-limited episodes of transient neurologic dysfunction (especially weakness and dysarthria). Peripheral neuropathy typically manifests in affected males between ages five and 25 years. Although both men and women are affected, manifestations tend to be less severe in women, some of whom may remain asymptomatic. Less commonly, initial manifestations in some affected individuals are stroke-like episodes (acute fulminant episodes of reversible CNS dysfunction).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/98290">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_96605"><div><strong>Deletion of long arm of chromosome 18</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>96605</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0432443</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Monosomy 18q is a partial deletion of the long arm of chromosome 18 characterized by highly variable phenotype, most commonly including hypotonia, developmental delay, short stature, growth hormone deficiency, hearing loss and external ear anomalies, intellectual disability, palatal defects, dysmorphic facial features, skeletal anomalies (foot deformities, tapering fingers, scoliosis) and mood disorders.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/96605">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_154356"><div><strong>Deficiency of guanidinoacetate methyltransferase</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>154356</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0574080</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The creatine deficiency disorders (CDDs), inborn errors of creatine metabolism and transport, comprise three disorders: the creatine biosynthesis disorders guanidinoacetate methyltransferase (GAMT) deficiency and L-arginine:glycine amidinotransferase (AGAT) deficiency; and creatine transporter (CRTR) deficiency. Developmental delay and cognitive dysfunction or intellectual disability and speech-language disorder are common to all three CDDs. Onset of clinical manifestations of GAMT deficiency (reported in ~130 individuals) is between ages three months and two years; in addition to developmental delays, the majority of individuals have epilepsy and develop a behavior disorder (e.g., hyperactivity, autism, or self-injurious behavior), and about 30% have movement disorder. AGAT deficiency has been reported in 16 individuals; none have had epilepsy or movement disorders. Clinical findings of CRTR deficiency in affected males (reported in ~130 individuals) in addition to developmental delays include epilepsy (variable seizure types and may be intractable) and behavior disorders (e.g., attention deficit and/or hyperactivity, autistic features, impulsivity, social anxiety), hypotonia, and (less commonly) a movement disorder. Poor weight gain with constipation and prolonged QTc on EKG have been reported. While mild-to-moderate intellectual disability is commonly observed up to age four years, the majority of adult males with CRTR deficiency have been reported to have severe intellectual disability. Females heterozygous for CRTR deficiency are typically either asymptomatic or have mild intellectual disability, although a more severe phenotype resembling the male phenotype has been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/154356">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_155487"><div><strong>Cockayne syndrome type 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>155487</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0751038</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cockayne syndrome (referred to as CS in this GeneReview) spans a continuous phenotypic spectrum that includes CS type I, the "classic" or "moderate" form; CS type II, a more severe form with symptoms present at birth (this form overlaps with cerebrooculofacioskeletal [COFS] syndrome); CS type III, a milder and later-onset form; and COFS syndrome, a fetal form of CS. CS type I is characterized by normal prenatal growth with the onset of growth and developmental abnormalities in the first two years. By the time the disease has become fully manifest, height, weight, and head circumference are far below the fifth percentile. Progressive impairment of vision, hearing, and central and peripheral nervous system function leads to severe disability; death typically occurs in the first or second decade. CS type II is characterized by growth failure at birth, with little or no postnatal neurologic development. Congenital cataracts or other structural anomalies of the eye may be present. Affected children have early postnatal contractures of the spine (kyphosis, scoliosis) and joints. Death usually occurs by age five years. CS type III is a phenotype in which major clinical features associated with CS only become apparent after age two years; growth and/or cognition exceeds the expectations for CS type I. COFS syndrome is characterized by very severe prenatal developmental anomalies (arthrogryposis and microphthalmia).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/155487">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_155488"><div><strong>Cockayne syndrome type 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>155488</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0751039</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Cockayne syndrome (referred to as CS in this GeneReview) spans a continuous phenotypic spectrum that includes CS type I, the "classic" or "moderate" form; CS type II, a more severe form with symptoms present at birth (this form overlaps with cerebrooculofacioskeletal [COFS] syndrome); CS type III, a milder and later-onset form; and COFS syndrome, a fetal form of CS. CS type I is characterized by normal prenatal growth with the onset of growth and developmental abnormalities in the first two years. By the time the disease has become fully manifest, height, weight, and head circumference are far below the fifth percentile. Progressive impairment of vision, hearing, and central and peripheral nervous system function leads to severe disability; death typically occurs in the first or second decade. CS type II is characterized by growth failure at birth, with little or no postnatal neurologic development. Congenital cataracts or other structural anomalies of the eye may be present. Affected children have early postnatal contractures of the spine (kyphosis, scoliosis) and joints. Death usually occurs by age five years. CS type III is a phenotype in which major clinical features associated with CS only become apparent after age two years; growth and/or cognition exceeds the expectations for CS type I. COFS syndrome is characterized by very severe prenatal developmental anomalies (arthrogryposis and microphthalmia).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/155488">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_156006"><div><strong>Spinocerebellar ataxia 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>156006</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0752125</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Spinocerebellar ataxia type 7 (SCA7) comprises a phenotypic spectrum ranging from adolescent- or adult-onset progressive cerebellar ataxia and cone-rod retinal dystrophy to infantile or early-childhood onset with multiorgan failure, an accelerated course, and early death. Anticipation in this nucleotide repeat disorder may be so dramatic that within a family a child with infantile or early-childhood onset may be diagnosed with what is thought to be an unrelated neurodegenerative disorder years before a parent or grandparent with a CAG repeat expansion becomes symptomatic. In adolescent-onset SCA7, the initial manifestation is typically impaired vision, followed by cerebellar ataxia. In those with adult onset, progressive cerebellar ataxia usually precedes the onset of visual manifestations. While the rate of progression varies in these two age groups, the eventual result for almost all affected individuals is loss of vision, severe dysarthria and dysphagia, and a bedridden state with loss of motor control.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/156006">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_162893"><div><strong>Agenesis of the corpus callosum with peripheral neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162893</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0795950</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Hereditary motor and sensory neuropathy with agenesis of the corpus callosum (HMSN/ACC), a neurodevelopmental and neurodegenerative disorder, is characterized by severe progressive sensorimotor neuropathy with resulting hypotonia, areflexia, and amyotrophy, and by variable degrees of dysgenesis of the corpus callosum. Mild-to-severe intellectual disability and "psychotic episodes" during adolescence are observed. Sensory modalities are moderately to severely affected beginning in infancy. The average age of onset of walking is 3.8 years; the average age of loss of walking is 13.8 years; the average age of death is 33 years.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/162893">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_162903"><div><strong>Deafness dystonia syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162903</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0796074</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Males with deafness-dystonia-optic neuronopathy (DDON) syndrome have prelingual or postlingual sensorineural hearing impairment in early childhood, slowly progressive dystonia or ataxia in the teens, slowly progressive decreased visual acuity from optic atrophy beginning at approximately age 20 years, and dementia beginning at approximately age 40 years. Psychiatric symptoms such as personality change and paranoia may appear in childhood and progress. The hearing impairment appears to be consistent in age of onset and progression, whereas the neurologic, visual, and neuropsychiatric signs vary in degree of severity and rate of progression. Females may have mild hearing impairment and focal dystonia.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/162903">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_901885"><div><strong>X-linked intellectual disability-short stature-overweight syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>901885</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0796218</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Kumar-type X-linked syndromic intellectual developmental disorder (MRXSK) is an X-linked recessive disorder that shows phenotypic variability and multisystem involvement apparent from birth or early infancy. Most affected individuals are male, although 1 severely affected girl with a de novo THOC2 mutation has been reported. At the severe end of the spectrum, affected individuals have hypotonia, neonatal difficulties, failure to thrive with poor overall growth, feeding difficulties, respiratory insufficiency, visual impairment, profoundly impaired intellectual development with poor or absent speech, and motor abnormalities, such as inability to walk and hyperkinetic movements. Less severely affected individuals have mildly to moderately impaired intellectual development and speech delay. Additional features include behavioral abnormalities, hearing or visual defects, seizures, dysmorphic facial features, and brain imaging abnormalities (Kumar et al., 2015; Kumar et al., 2018; Kumar et al., 2020).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/901885">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_163232"><div><strong>X-linked intellectual disability-psychosis-macroorchidism syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>163232</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0796222</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">The spectrum of MECP2-related phenotypes in females ranges from classic Rett syndrome to variant Rett syndrome with a broader clinical phenotype (either milder or more severe than classic Rett syndrome) to mild learning disabilities; the spectrum in males ranges from severe neonatal encephalopathy to pyramidal signs, parkinsonism, and macroorchidism (PPM-X) syndrome to severe syndromic/nonsyndromic intellectual disability. Females: Classic Rett syndrome, a progressive neurodevelopmental disorder primarily affecting girls, is characterized by apparently normal psychomotor development during the first six to 18 months of life, followed by a short period of developmental stagnation, then rapid regression in language and motor skills, followed by long-term stability. During the phase of rapid regression, repetitive, stereotypic hand movements replace purposeful hand use. Additional findings include fits of screaming and inconsolable crying, autistic features, panic-like attacks, bruxism, episodic apnea and/or hyperpnea, gait ataxia and apraxia, tremors, seizures, and acquired microcephaly. Males: Severe neonatal-onset encephalopathy, the most common phenotype in affected males, is characterized by a relentless clinical course that follows a metabolic-degenerative type of pattern, abnormal tone, involuntary movements, severe seizures, and breathing abnormalities. Death often occurs before age two years.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/163232">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_209234"><div><strong>6-Pyruvoyl-tetrahydrobiopterin synthase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>209234</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0878676</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Tetrahydrobiopterin (BH4)-deficient hyperphenylalaninemia (HPA) comprises a genetically heterogeneous group of progressive neurologic disorders caused by autosomal recessive mutations in the genes encoding enzymes involved in the synthesis or regeneration of BH4. BH4 is a cofactor for phenylalanine hydroxylase (PAH; 612349), tyrosine hydroxylase (TH; 191290) and tryptophan hydroxylase (TPH1; 191060), the latter 2 of which are involved in neurotransmitter synthesis. The BH4-deficient HPAs are characterized phenotypically by hyperphenylalaninemia, depletion of the neurotransmitters dopamine and serotonin, and progressive cognitive and motor deficits (Dudesek et al., 2001). HPABH4A, caused by mutations in the PTS gene, represents the most common cause of BH4-deficient hyperphenylalaninemia (Dudesek et al., 2001). Other forms of BH4-deficient HPA include HPABH4B (233910), caused by mutation in the GCH1 gene (600225), HPABH4C (261630), caused by mutation in the QDPR gene (612676), and HPABH4D (264070), caused by mutation in the PCBD1 gene (126090). Niederwieser et al. (1982) noted that about 1 to 3% of patients with hyperphenylalaninemia have one of these BH4-deficient forms. These disorders are clinically and genetically distinct from classic phenylketonuria (PKU; 261600), caused by mutation in the PAH gene. Two additional disorders associated with BH4 deficiency and neurologic symptoms do not have overt hyperphenylalaninemia as a feature: dopa-responsive dystonia (612716), caused by mutation in the SPR gene (182125), and autosomal dominant dopa-responsive dystonia (DYT5; 128230), caused by mutation in the GCH1 gene. Patients with these disorders may develop hyperphenylalaninemia when stressed.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/209234">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_224783"><div><strong>Upshaw-Schulman syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>224783</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1268935</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Hereditary thrombotic thrombocytopenic purpura (TTP), also known as Upshaw-Schulman syndrome (USS), is a rare autosomal recessive thrombotic microangiopathy (TMA). Clinically, acute phases of TTP are defined by microangiopathic mechanical hemolytic anemia, severe thrombocytopenia, and visceral ischemia. Hereditary TTP makes up 5% of TTP cases and is caused mostly by biallelic mutation in the ADAMTS13 gene, or in very rare cases, by monoallelic ADAMTS13 mutation associated with a cluster of single-nucleotide polymorphisms (SNPs); most cases of all TTP (95%) are acquired via an autoimmune mechanism (see 188030). Hereditary TTP is more frequent among child-onset TTP compared with adult-onset TTP, and its clinical presentation is significantly different as a function of its age of onset. Child-onset TTP usually starts in the neonatal period with hematological features and severe jaundice. In contrast, almost all cases of adult-onset hereditary TTP are unmasked during the first pregnancy of a woman whose disease was silent during childhood (summary by Joly et al., 2018).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/224783">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_318554"><div><strong>Episodic ataxia type 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>318554</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1719788</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Episodic ataxia type 1 (EA1) is a potassium channelopathy characterized by constant myokymia and dramatic episodes of spastic contractions of the skeletal muscles of the head, arms, and legs with loss of both motor coordination and balance. During attacks individuals may experience a number of variable symptoms including vertigo, blurred vision, diplopia, nausea, headache, diaphoresis, clumsiness, stiffening of the body, dysarthric speech, and difficulty in breathing, among others. EA1 may be associated with epilepsy. Other possible associations include delayed motor development, cognitive disability, choreoathetosis, and carpal spasm. Usually, onset is in childhood or early adolescence.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/318554">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_371424"><div><strong>Epilepsy, familial adult myoclonic, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>371424</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1832841</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Familial adult myoclonic epilepsy-1 (FAME1), also known as familial cortical myoclonic tremor associated with epilepsy-1 (FCMTE1), is characterized by autosomal dominant, adult-onset cortical myoclonus, with seizures in 40% of patients. Myoclonus is usually the first symptom and is characterized by tremulous finger movements and myoclonus of the extremities (summary by Depienne et al., 2010). FAME1 tends to occur in patients of southern Asian descent (summary by Bennett et al., 2020). Genetic Heterogeneity of Familial Adult Myoclonic Epilepsy See also FAME2 (607876), caused by mutation in the STARD7 gene (616712) on chromosome 2q11; FAME3 (613608), caused by mutation in the MARCHF6 gene (613297) on chromosome 5p15; FAME4 (615127), which maps to chromosome 3q26.32-q28; FAME6 (618074), caused by mutation in the TNRC6A gene (610739) on chromosome 16p12; and FAME7 (618075), caused by mutation in the RAPGEF2 gene (609530) on chromosome 4. The disorder previously designated FAME5 has been reclassified as a type of autosomal recessive early-onset epilepsy (EPEO5; 615400). Progressive myoclonic epilepsy is a more severe disorder (see, e.g., EPM1, 254800).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/371424">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_331388"><div><strong>Migraine, familial hemiplegic, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>331388</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1832884</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Familial hemiplegic migraine (FHM) falls within the category of migraine with aura. In migraine with aura (including FHM) the neurologic symptoms of aura are unequivocally localizable to the cerebral cortex or brain stem and include visual disturbance (most common), sensory loss (e.g., numbness or paresthesias of the face or an extremity), and dysphasia (difficulty with speech). FHM must include motor involvement, such as hemiparesis (weakness of an extremity). Hemiparesis occurs with at least one other symptom during FHM aura. Neurologic deficits with FHM attacks can be prolonged for hours to days and may outlast the associated migrainous headache. FHM is often earlier in onset than typical migraine, frequently beginning in the first or second decade; the frequency of attacks tends to decrease with age. Approximately 40%-50% of families with CACNA1A-FHM have cerebellar signs ranging from nystagmus to progressive, usually late-onset mild ataxia.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/331388">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_371657"><div><strong>Optic atrophy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>371657</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1833809</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autosomal dominant optic atrophy and cataract is an eye disorder that is characterized by impaired vision. Most affected individuals have decreased sharpness of vision (visual acuity) from birth, while others begin to experience vision problems in early childhood or later. In affected individuals, both eyes are usually affected equally. However, the severity of the vision loss varies widely, even among affected members of the same family, ranging from nearly normal vision to complete blindness.\n\nSeveral abnormalities contribute to impaired vision in people with autosomal dominant optic atrophy and cataract. In the early stages of the condition, affected individuals experience a progressive loss of certain cells within the retina, which is a specialized light-sensitive tissue that lines the back of the eye. The loss of these cells (known as retinal ganglion cells) is followed by the degeneration (atrophy) of the nerves that relay visual information from the eyes to the brain (optic nerves), which contributes to vision loss. Atrophy of these nerves causes an abnormally pale appearance (pallor) of the optic nerves, which can be seen only during an eye examination. Most people with this disorder also have clouding of the lenses of the eyes (cataracts). This eye abnormality can develop anytime but typically appears in childhood. Other common eye problems in autosomal dominant optic atrophy and cataract include involuntary movements of the eyes (nystagmus), or problems with color vision (color vision deficiency) that make it difficult or impossible to distinguish between shades of blue and green.\n\nSome people with autosomal dominant optic atrophy and cataract develop disturbances in the function of other nerves (neuropathy) besides the optic nerves. These disturbances can lead to problems with balance and coordination (cerebellar ataxia), an unsteady style of walking (gait), prickling or tingling sensations (paresthesias) in the arms and legs, progressive muscle stiffness (spasticity), or rhythmic shaking (tremors). In some cases, affected individuals have hearing loss caused by abnormalities of the inner ear (sensorineural deafness).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/371657">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_371854"><div><strong>Spinal muscular atrophy-progressive myoclonic epilepsy syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>371854</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1834569</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">The spectrum of ASAH1-related disorders ranges from Farber disease (FD) to spinal muscular atrophy with progressive myoclonic epilepsy (SMA-PME). Classic FD is characterized by onset in the first weeks of life of painful, progressive deformity of the major joints; palpable subcutaneous nodules of joints and mechanical pressure points; and a hoarse cry resulting from granulomas of the larynx and epiglottis. Life expectancy is usually less than two years. In the other less common types of FD, onset, severity, and primary manifestations vary. SMA-PME is characterized by early-childhood-onset progressive lower motor neuron disease manifest typically between ages three and seven years as proximal lower-extremity weakness, followed by progressive myoclonic and atonic seizures, tremulousness/tremor, and sensorineural hearing loss. Myoclonic epilepsy typically begins in late childhood after the onset of weakness and can include jerking of the upper limbs, action myoclonus, myoclonic status, and eyelid myoclonus. Other findings include generalized tremor, and cognitive decline. The time from disease onset to death from respiratory complications is usually five to 15 years.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/371854">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_331778"><div><strong>Myoclonic dystonia 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>331778</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1834570</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">SGCE myoclonus-dystonia (SGCE-M-D) is a movement disorder characterized by a combination of rapid, brief muscle contractions (myoclonus) and/or sustained twisting and repetitive movements that result in abnormal postures (dystonia). The myoclonic jerks typical of SGCE-M-D most often affect the neck, trunk, and upper limbs with less common involvement of the legs. Approximately 50% of affected individuals have additional focal or segmental dystonia, presenting as cervical dystonia and/or writer's cramp. Non-motor features may include alcohol abuse, obsessive-compulsive disorder (OCD), and anxiety disorders. Symptom onset is usually in the first decade of life and almost always by age 20 years, but ranges from age six months to 80 years. Most affected adults report a dramatic reduction in myoclonus in response to alcohol ingestion. SGCE-M-D is compatible with an active life of normal span.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/331778">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_322474"><div><strong>Neuronopathy, distal hereditary motor, type 7A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322474</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1834703</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autosomal dominant distal hereditary motor neuronopathy-7 (HMND7) is a neurologic disorder characterized by onset in the second decade of progressive distal muscle wasting and weakness affecting the upper and lower limbs and resulting in walking difficulties and hand grip. There is significant muscle atrophy of the hands and lower limbs. The disorder is associated with vocal cord paresis due to involvement of the tenth cranial nerve (summary by Barwick et al., 2012). For a general phenotypic description and a discussion of genetic heterogeneity of autosomal dominant distal HMN, see HMND1 (182960).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/322474">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_324784"><div><strong>Congenital disorder of glycosylation type 1E</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324784</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837396</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital disorders of glycosylation (CDGs) are metabolic deficiencies in glycoprotein biosynthesis that usually cause severe mental and psychomotor retardation. Different forms of CDGs can be recognized by altered isoelectric focusing (IEF) patterns of serum transferrin. For a discussion of the classification of CDGs, see CDG Ia (212065).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/324784">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_332457"><div><strong>Spinocerebellar ataxia type 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332457</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837454</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">SCA8 is a slowly progressive ataxia with onset typically in the third to fifth decade but with a range from before age one year to after age 60 years. Common initial manifestations are scanning dysarthria with a characteristic drawn-out slowness of speech and gait instability. Over the disease course other findings can include eye movement abnormalities (nystagmus, abnormal pursuit and abnormal saccades, and, rarely, ophthalmoplegia); upper motor neuron involvement; extrapyramidal signs; brain stem signs (dysphagia and poor cough reflex); sensory neuropathy; and cognitive impairment (e.g., executive dysfunction, psychomotor slowing and other features of cerebellar cognitive-affective disorder in some). Life span is typically not shortened.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/332457">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_324965"><div><strong>Hereditary spastic paraplegia 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324965</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1838192</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">A form of hereditary spastic paraplegia which usually presents in late adolescence or early adulthood as a pure phenotype of lower limb spasticity with hyperreflexia and extensor plantar responses, as well as mild bladder disturbances and pes cavus. Rarely, it can present as a complex phenotype with additional manifestations including epilepsy, variable peripheral neuropathy and/or memory impairment. Caused by mutations in the NIPA1 gene (15q11.2) encoding the magnesium transporter NIPA1.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/324965">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_326820"><div><strong>X-linked dystonia-parkinsonism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326820</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1839130</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Individuals with X-linked dystonia-parkinsonism (XDP) have dystonia of varying severity and parkinsonism. XDP afflicts primarily Filipino men and, rarely, women. The mean age of onset in men is 39 years; the clinical course is highly variable with parkinsonism as the initial presenting sign, overshadowed by dystonia as the disease progresses. Features of parkinsonism include resting tremor, bradykinesia, rigidity, postural instability, and severe shuffling gait. The dystonia develops focally, most commonly in the jaw, neck, trunk, and eyes, and less commonly in the limbs, tongue, pharynx, and larynx, the most characteristic being jaw dystonia often progressing to neck dystonia. Individuals with pure parkinsonism have non-disabling symptoms that are only slowly progressive; those who develop a combination of parkinsonism and dystonia can develop multifocal or generalized symptoms within a few years and die prematurely from pneumonia or intercurrent infections. Female carriers are mostly asymptomatic, though a small minority may manifest dystonia, parkinsonism, or chorea.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/326820">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_333282"><div><strong>Kennedy disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>333282</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1839259</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinal and bulbar muscular atrophy (SBMA) is a gradually progressive neuromuscular disorder in which degeneration of lower motor neurons results in muscle weakness, muscle atrophy, and fasciculations in affected males. Affected individuals often show gynecomastia, testicular atrophy, and reduced fertility as a result of mild androgen insensitivity.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/333282">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_326486"><div><strong>Pyruvate dehydrogenase E1-alpha deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326486</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1839413</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Genetic defects in the pyruvate dehydrogenase complex are one of the most common causes of primary lactic acidosis in children. Most cases are caused by mutation in the E1-alpha subunit gene on the X chromosome. X-linked PDH deficiency is one of the few X-linked diseases in which a high proportion of heterozygous females manifest severe symptoms. The clinical spectrum of PDH deficiency is broad, ranging from fatal lactic acidosis in the newborn to chronic neurologic dysfunction with structural abnormalities in the central nervous system without systemic acidosis (Robinson et al., 1987; Brown et al., 1994). Genetic Heterogeneity of Pyruvate Dehydrogenase Complex Deficiency PDH deficiency can also be caused by mutation in other subunits of the PDH complex, including a form (PDHXD; 245349) caused by mutation in the component X gene (PDHX; 608769) on chromosome 11p13; a form (PDHBD; 614111) caused by mutation in the PDHB gene (179060) on chromosome 3p14; a form (PDHDD; 245348) caused by mutation in the DLAT gene (608770) on chromosome 11q23; a form (PDHPD; 608782) caused by mutation in the PDP1 gene (605993) on chromosome 8q22; and a form (PDHLD; 614462) caused by mutation in the LIAS gene (607031) on chromosome 4p14.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/326486">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_326915"><div><strong>Optic atrophy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326915</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1839576</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare form of hereditary optic atrophy seen in only 4 families to date. With onset in early childhood the disease has characteristics of progressive loss of visual acuity, significant optic nerve pallor and occasionally additional neurological manifestations, with females being unaffected.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/326915">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_330866"><div><strong>Childhood onset GLUT1 deficiency syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>330866</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842534</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Glucose transporter type 1 deficiency syndrome (Glut1DS) is a disorder of brain energy metabolism. Glucose, the essential metabolic fuel for the brain, is transported into the brain exclusively by the protein glucose transporter type 1 (Glut1) across the endothelial cells forming the blood-brain barrier (BBB). Glut1DS results from the inability of Glut1 to transfer sufficient glucose across the BBB to meet the glucose demands of the brain. The needs of the brain for glucose increase rapidly after birth, peaking in early childhood, remaining high until about age 10 years, then gradually decreasing throughout adolescence and plateauing in early adulthood. When first diagnosed in infancy to early childhood, the predominant clinical findings of Glut1DS are paroxysmal eye-head movements, pharmacoresistant seizures of varying types, deceleration of head growth, and developmental delay. Subsequently children develop complex movement disorders and intellectual disability ranging from mild to severe. Institution of ketogenic diet therapies (KDTs) helps with early neurologic growth and development and seizure control. Typically, the earlier the treatment the better the long-term clinical outcome. When first diagnosed in later childhood to adulthood (occasionally in a parent following the diagnosis of an affected child), the predominant clinical findings of Glut1DS are usually complex paroxysmal movement disorders, spasticity, ataxia, dystonia, speech difficulty, and intellectual disability.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/330866">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_375031"><div><strong>Epilepsy, familial adult myoclonic, 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>375031</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842852</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial adult myoclonic epilepsy-2 (FAME2) is an autosomal dominant neurologic disorder characterized by onset of tremor affecting the fingers, hand, and voice in adolescence or young adulthood with somewhat later onset of rhythmic myoclonic jerks and generalized tonic-clonic seizures. Electrophysiologic studies are consistent with cortical reflex myoclonus. Some patients may show cognitive decline or migraines; photosensitivity is common (summary by De Fusco et al., 2014; Crompton et al., 2012). For a phenotypic description and a discussion of genetic heterogeneity of familial adult myoclonic epilepsy, see FAME1 (601068).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/375031">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_334337"><div><strong>Charcot-Marie-Tooth disease type 1F</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>334337</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1843164</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A form of Charcot-Marie-Tooth disease type 1, with a variable clinical presentation that can range from severe impairment with onset in childhood to mild impairment appearing during adulthood. The disease has characteristics of progressive peripheral motor and sensory neuropathy with distal paresis in the lower limbs that varies from mild weakness to complete paralysis of the distal muscle groups, absent tendon reflexes and reduced nerve conduction. Caused by mutations in the NEFL gene (8p21.2).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/334337">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_335918"><div><strong>Torsion dystonia 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335918</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1843264</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">DYT13 type primary dystonia has characteristics of focal or segmental dystonia with cranial, cervical, or upper limb involvement. It has been reported in individuals from three generations of one large Italian family. Age of onset varied between 5 years and adulthood. The clinical manifestations were generally mild and slowly progressive. The causative gene locus has been identified on chromosome 1p36.13-1p36.32. Transmitted in an autosomal dominant manner.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/335918">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_336066"><div><strong>Spinocerebellar ataxia type 18</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>336066</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1843884</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Disease with characteristics of sensory neuropathy and cerebellar ataxia. Prevalence is unknown. Only 26 cases in a 5-generation American family of Irish ancestry have been reported to date. Onset is in the second and third decades of life with symptomatic onset ranging from 13 to 27 years. Patients initially present with axonal sensory neuropathy, while cerebellar ataxia and motor neuron dysfunction develop later. Linked to chromosome 7q22-q23 but the responsible gene mutation has not yet been identified.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/336066">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_337334"><div><strong>X-linked intellectual disability Cabezas type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>337334</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1845861</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The Cabezas type of X-linked syndromic intellectual developmental disorder is characterized primarily by short stature, hypogonadism, and abnormal gait, with other more variable features such as speech delay, prominent lower lip, and tremor (Cabezas et al., 2000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/337334">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_335442"><div><strong>Autosomal recessive cerebellar ataxia-saccadic intrusion syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335442</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1846492</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">VPS13D movement disorder is a hyperkinetic movement disorder (dystonia, chorea, and/or ataxia) of variable age of onset that can be associated with developmental delay. Onset ranges from birth to adulthood. Individuals can present in childhood with motor delays and gait instability. Cognitive impairment ranging from mild intellectual disability to developmental delay has been reported, and several individuals have normal cognitive function. Individuals have also presented as young adults with gait difficulties caused by spastic ataxia or ataxia. In addition to gait ataxia, affected individuals had limb ataxia, dysarthria, and eye movement abnormalities (macro-saccadic oscillations, nystagmus, and saccadic pursuit). Additional features reported in some individuals include peripheral neuropathy and/or seizures. The disorder progresses to spastic ataxia or generalized dystonia, which can lead to loss of independent ambulation.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/335442">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_338281"><div><strong>Kufor-Rakeb syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>338281</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1847640</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Kufor-Rakeb syndrome is a rare autosomal recessive form of juvenile-onset atypical Parkinson disease (PARK9) associated with supranuclear gaze palsy, spasticity, and dementia. Some patients have neuroradiologic evidence of iron deposition in the basal ganglia, indicating that the pathogenesis of PARK9 can be considered among the syndromes of neurodegeneration with brain iron accumulation (NBIA; see 234200) (summary by Bruggemann et al., 2010). For a phenotypic description and a discussion of genetic heterogeneity of Parkinson disease (PD), see 168600. Biallelic mutation in the ATP13A2 gene also causes autosomal recessive spastic paraplegia-78 (SPG78; 617225), an adult-onset neurodegenerative disorder with overlapping features. Patients with SPG78 have later onset and prominent spasticity, but rarely parkinsonism. Loss of ATP13A2 function results in a multidimensional spectrum of neurologic features reflecting various regions of the brain and nervous system, including cortical, pyramidal, extrapyramidal, brainstem, cerebellar, and peripheral (summary by Estrada-Cuzcano et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/338281">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_338301"><div><strong>Spinocerebellar ataxia type 15/16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>338301</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1847725</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-15 (SCA15) is an autosomal dominant, adult-onset, slowly progressive form of cerebellar ataxia. Most patients also have disabling action and postural tremor, and some have pyramidal tract affection, dorsal column involvement, and gaze palsy. Brain imaging shows cerebellar atrophy mainly affecting the vermis (summary by Synofzik et al., 2011). Autosomal dominant 'pure' cerebellar ataxia, classified as ADCA type III by Harding (1983, 1993), is a genetically heterogeneous disorder (see, e.g., 117210). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/338301">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341256"><div><strong>Cobalamin C disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341256</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1848561</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Disorders of intracellular cobalamin metabolism have a variable phenotype and age of onset that are influenced by the severity and location within the pathway of the defect. The prototype and best understood phenotype is cblC; it is also the most common of these disorders. The age of initial presentation of cblC spans a wide range: In utero with fetal presentation of nonimmune hydrops, cardiomyopathy, and intrauterine growth restriction. Newborns, who can have microcephaly, poor feeding, and encephalopathy. Infants, who can have poor feeding and slow growth, neurologic abnormality, and, rarely, hemolytic uremic syndrome (HUS). Toddlers, who can have poor growth, progressive microcephaly, cytopenias (including megaloblastic anemia), global developmental delay, encephalopathy, and neurologic signs such as hypotonia and seizures. Adolescents and adults, who can have neuropsychiatric symptoms, progressive cognitive decline, thromboembolic complications, and/or subacute combined degeneration of the spinal cord.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341256">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_337890"><div><strong>Pterin-4 alpha-carbinolamine dehydratase 1 deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>337890</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1849700</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Tetrahydrobiopterin (BH4)-deficient hyperphenylalaninemia (HPA) D is an autosomal recessive disorder characterized by mild transient hyperphenylalaninemia often detected by newborn screening. Patients also show increased excretion of 7-biopterin. Affected individuals are asymptomatic and show normal psychomotor development, although transient neurologic deficits in infancy have been reported (Thony et al., 1998). Patients may also develop hypomagnesemia and nonautoimmune diabetes mellitus during puberty (summary by Ferre et al., 2014). For a general phenotypic description and a discussion of genetic heterogeneity of BH4-deficient hyperphenylalaninemia, see HPABH4A (261640).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/337890">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_342410"><div><strong>Progressive supranuclear palsy-parkinsonism syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>342410</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1850077</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An atypical variant of progressive supranuclear palsy (PSP), a rare late-onset neurodegenerative disease, by prominent early parkinsonism (tremor, limb bradykinesia, axial and limb rigidity) rather than falls and cognitive change. Over the years, patients ultimately develop clinical features characteristic of classical PSP. Neuropathological characteristics includes tau pathology and neuronal loss in specific brain areas, especially in the subthalamic nucleus and substantia nigra. The tau pathology is less severe than in classical PSP.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/342410">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_338823"><div><strong>Early-onset generalized limb-onset dystonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>338823</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1851945</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">DYT1 early-onset isolated dystonia typically presents in childhood or adolescence and only on occasion in adulthood. Dystonic muscle contractions causing posturing or irregular tremor of a leg or arm are the most common presenting findings. Dystonia is usually first apparent with specific actions such as writing or walking. Over time, the contractions frequently (but not invariably) become evident with less specific actions and spread to other body regions. No other neurologic abnormalities are present. Disease severity varies considerably even within the same family. Isolated writer's cramp may be the only sign.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/338823">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_343992"><div><strong>Parkinson disease 13, autosomal dominant, susceptibility to</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343992</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1853202</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
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||
<div class="spaceAbove">Parkinson's disease can also affect emotions and thinking ability (cognition). Some affected individuals develop psychiatric conditions such as depression and visual hallucinations. People with Parkinson's disease also have an increased risk of developing dementia, which is a decline in intellectual functions including judgment and memory.\n\nOften the first symptom of Parkinson's disease is trembling or shaking (tremor) of a limb, especially when the body is at rest. Typically, the tremor begins on one side of the body, usually in one hand. Tremors can also affect the arms, legs, feet, and face. Other characteristic symptoms of Parkinson's disease include rigidity or stiffness of the limbs and torso, slow movement (bradykinesia) or an inability to move (akinesia), and impaired balance and coordination (postural instability). These symptoms worsen slowly over time.\n\nGenerally, Parkinson's disease that begins after age 50 is called late-onset disease. The condition is described as early-onset disease if signs and symptoms begin before age 50. Early-onset cases that begin before age 20 are sometimes referred to as juvenile-onset Parkinson's disease.\n\nParkinson's disease is a progressive disorder of the nervous system. The disorder affects several regions of the brain, especially an area called the substantia nigra that controls balance and movement.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/343992">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_339942"><div><strong>Spinocerebellar ataxia type 23</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>339942</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1853250</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-23 (SCA23) is an adult-onset autosomal dominant neurodegenerative disorder characterized by slowly progressive gait and limb ataxia, with variable additional features, including peripheral neuropathy and dysarthria (Bakalkin et al., 2010). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/339942">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_381211"><div><strong>Neuroferritinopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>381211</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1853578</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neuroferritinopathy is an adult-onset progressive movement disorder characterized by chorea or dystonia and speech and swallowing deficits. The movement disorder typically affects one or two limbs and progresses to become more generalized within 20 years of disease onset. When present, asymmetry in the movement abnormalities remains throughout the course of the disorder. Most individuals develop a characteristic orofacial action-specific dystonia related to speech that leads to dysarthrophonia. Frontalis overactivity and orolingual dyskinesia are common. Cognitive deficits and behavioral issues become major problems with time.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/381211">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_340052"><div><strong>Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340052</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1853761</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Ataxia with oculomotor apraxia type 2 (AOA2) is characterized by onset of ataxia between age three and 30 years after initial normal development, axonal sensorimotor neuropathy, oculomotor apraxia, cerebellar atrophy, and elevated serum concentration of alpha-fetoprotein (AFP).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/340052">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_340120"><div><strong>Adult-onset proximal spinal muscular atrophy, autosomal dominant</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340120</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1854058</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinal muscular atrophy is characterized by degeneration of the anterior horn cells in the spinal cord, leading to symmetric muscle weakness and wasting. See also autosomal recessive adult-onset proximal spinal muscular atrophy (SMA4; 271150), caused by defect in the SMN1 gene (600354), and autosomal dominant childhood-onset proximal SMA (158600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/340120">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_344273"><div><strong>Nemaline myopathy 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>344273</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1854380</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive severe infantile nemaline myopathy-5A (NEM5A) is a skeletal muscle disorder characterized by symptom onset soon after birth or in early infancy. Affected infants show axial hypotonia, stiffness, rigid spine with progressive kyphosis, pectus deformities, and contractures or limited movement of the large joints. Some patients show transient tremors. There is muscle atrophy and poor gross motor development. Respiratory insufficiency develops in the first years of life, often leading to death. Muscle biopsy shows nemaline rods (Johnston et al., 2000; Geraud et al., 2021). For a discussion of genetic heterogeneity of nemaline myopathy, see NEM2 (256030).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/344273">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_344422"><div><strong>Methylmalonic aciduria, cblA type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>344422</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1855109</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">For this GeneReview, the term "isolated methylmalonic acidemia" refers to a group of inborn errors of metabolism associated with elevated methylmalonic acid (MMA) concentration in the blood and urine that result from the failure to isomerize (convert) methylmalonyl-coenzyme A (CoA) into succinyl-CoA during propionyl-CoA metabolism in the mitochondrial matrix, without hyperhomocysteinemia or homocystinuria, hypomethioninemia, or variations in other metabolites, such as malonic acid. Isolated MMA is caused by complete or partial deficiency of the enzyme methylmalonyl-CoA mutase (mut0 enzymatic subtype or mut– enzymatic subtype, respectively), a defect in the transport or synthesis of its cofactor, 5-deoxy-adenosyl-cobalamin (cblA, cblB, or cblD-MMA), or deficiency of the enzyme methylmalonyl-CoA epimerase. Prior to the advent of newborn screening, common phenotypes included: Infantile/non-B12-responsive form (mut0 enzymatic subtype, cblB), the most common phenotype, associated with infantile-onset lethargy, tachypnea, hypothermia, vomiting, and dehydration on initiation of protein-containing feeds. Without appropriate treatment, the infantile/non-B12-responsive phenotype could rapidly progress to coma due to hyperammonemic encephalopathy. Partially deficient or B12-responsive phenotypes (mut– enzymatic subtype, cblA, cblB [rare], cblD-MMA), in which symptoms occur in the first few months or years of life and are characterized by feeding problems, failure to thrive, hypotonia, and developmental delay marked by episodes of metabolic decompensation. Methylmalonyl-CoA epimerase deficiency, in which findings range from complete absence of symptoms to severe metabolic acidosis. Affected individuals can also develop ataxia, dysarthria, hypotonia, mild spastic paraparesis, and seizures. In those individuals diagnosed by newborn screening and treated from an early age, there appears to be decreased early mortality, less severe symptoms at diagnosis, favorable short-term neurodevelopmental outcome, and lower incidence of movement disorders and irreversible cerebral damage. However, secondary complications may still occur and can include intellectual disability, tubulointerstitial nephritis with progressive impairment of renal function, "metabolic stroke" (bilateral lacunar infarction of the basal ganglia during acute metabolic decompensation), pancreatitis, growth failure, functional immune impairment, bone marrow failure, optic nerve atrophy, arrhythmias and/or cardiomyopathy (dilated or hypertrophic), liver steatosis/fibrosis/cancer, and renal cancer.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/344422">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_346511"><div><strong>Torsion dystonia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346511</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857093</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Torsion dystonia-2 (DYT2) is an autosomal recessive neurologic disorder characterized by onset of symptoms in childhood or adolescence. 'Dystonia' is characterized by involuntary, sustained muscle contractions affecting 1 or more sites of the body; 'torsion' refers to the twisting nature of body movements observed in dystonia. DYT2 first affects distal limbs and later involves the neck, orofacial, and craniocervical regions. DYT2 is slowly progressive but mild overall (summary by Muller and Kupke, 1990; Nemeth, 2002; Khan et al., 2003).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/346511">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_387801"><div><strong>Congenital lactic acidosis, Saguenay-Lac-Saint-Jean type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>387801</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857355</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial complex IV deficiency nuclear type 5 (MC4DN5) is an autosomal recessive severe metabolic multisystemic disorder with onset in infancy. Features include delayed psychomotor development, impaired intellectual development with speech delay, mild dysmorphic facial features, hypotonia, ataxia, and seizures. There is increased serum lactate and episodic hypoglycemia. Some patients may have cardiomyopathy, abnormal breathing, or liver abnormalities, reflecting systemic involvement. Brain imaging shows lesions in the brainstem and basal ganglia, consistent with a diagnosis of Leigh syndrome (see 256000). Affected individuals tend to have episodic metabolic and/or neurologic crises in early childhood, which often lead to early death (summary by Debray et al., 2011). For a discussion of genetic heterogeneity of mitochondrial complex IV (cytochrome c oxidase) deficiency, see 220110.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/387801">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_349134"><div><strong>Autosomal recessive spinocerebellar ataxia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>349134</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1859298</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-2 (SCAR2) is a neurologic disorder characterized by onset of impaired motor development and ataxic gait in early childhood. Additional features often include loss of fine motor skills, dysarthria, nystagmus, cerebellar signs, and delayed cognitive development with intellectual disability. Brain imaging shows cerebellar atrophy. Overall, the disorder is non- or slowly progressive, with survival into adulthood (summary by Jobling et al., 2015).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/349134">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_395301"><div><strong>Ataxia, early-onset, with oculomotor apraxia and hypoalbuminemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>395301</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1859598</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Ataxia-oculomotor apraxia syndrome is an early-onset autosomal recessive cerebellar ataxia with peripheral axonal neuropathy, oculomotor apraxia (defined as the limitation of ocular movements on command), and hypoalbuminemia (Moreira et al., 2001). Genetic Heterogeneity of Ataxia-Oculomotor Apraxia See also AOA2 (606002), caused by mutation in the SETX gene (608465) on chromosome 9q34; AOA3 (615217), caused by mutation in the PIK3R5 gene (611317) on chromosome 17p; and AOA4 (616267), caused by mutation in the PNKP gene (605610) on chromosome 19q13.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/395301">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_349893"><div><strong>Triosephosphate isomerase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>349893</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1860808</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Triosephosphate isomerase deficiency (TPID) is an autosomal recessive multisystem disorder characterized by congenital hemolytic anemia, and progressive neuromuscular dysfunction beginning in early childhood. Many patients die from respiratory failure in childhood. The neurologic syndrome is variable, but usually includes lower motor neuron dysfunction with hypotonia, muscle weakness and atrophy, and hyporeflexia. Some patients may show additional signs such as dystonic posturing and/or spasticity. Laboratory studies show intracellular accumulation of dihydroxyacetone phosphate (DHAP), particularly in red blood cells (summary by Fermo et al., 2010).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/349893">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_349908"><div><strong>Tremor-nystagmus-duodenal ulcer syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>349908</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1860860</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare hyperkinetic movement disorder with characteristics of mild to severe, progressive essential tremor, nystagmus (principally horizontal), duodenal ulceration and a narcolepsy-like sleep disturbance. Refractive errors and cerebellar signs such as gait ataxia and adiadochokinesia may be associated. There have been no further descriptions in the literature since 1976.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/349908">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_350085"><div><strong>Spinocerebellar ataxia type 29</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>350085</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1861732</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-29 (SCA29) is an autosomal dominant neurologic disorder characterized by onset in infancy of delayed motor development and mild cognitive delay. Affected individuals develop a very slowly progressive or nonprogressive gait and limb ataxia associated with cerebellar atrophy on brain imaging. Additional variable features include nystagmus, dysarthria, and tremor (summary by Huang et al., 2012). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/350085">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355075"><div><strong>Neuronal intranuclear inclusion disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355075</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1863843</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neuronal intranuclear inclusion disease (NIID) is an autosomal dominant, slowly progressive neurodegenerative disorder characterized by a wide range of clinical manifestations, including pyramidal and extrapyramidal symptoms, cerebellar ataxia, cognitive decline and dementia, peripheral neuropathy, and autonomic dysfunction. The age at onset varies, but most individuals present as adults between about 30 and 70 years of age. Pathologic investigation shows eosinophilic intranuclear inclusions in almost all cell types, including neurons, skin cells, fibroblasts, and skeletal muscle. Brain imaging shows a characteristic leukoencephalopathy with high intensity signals in the corticomedullary junction on diffusion-weighted imaging (DWI), as well as white matter abnormalities in subcortical and brainstem regions. Skin biopsy combined with brain imaging is useful for diagnosis (summary by Sone et al., 2016). The phenotype in some cases is suggestive of Parkinson disease (see 168600) and/or Alzheimer disease (see 104300), consistent with an evolving phenotypic spectrum of adult-onset NIID (summary by Tian et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355075">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355842"><div><strong>Fatal mitochondrial disease due to combined oxidative phosphorylation defect type 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355842</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1864840</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency type 3 is an extremely rare clinically heterogenous disorder described in about 5 patients to date. Clinical signs included hypotonia, lactic acidosis, and hepatic insufficiency, with progressive encephalomyopathy or hypertrophic cardiomyopathy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355842">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355962"><div><strong>Migraine, familial hemiplegic, 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355962</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1865322</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial hemiplegic migraine (FHM) falls within the category of migraine with aura. In migraine with aura (including FHM) the neurologic symptoms of aura are unequivocally localizable to the cerebral cortex or brain stem and include visual disturbance (most common), sensory loss (e.g., numbness or paresthesias of the face or an extremity), and dysphasia (difficulty with speech). FHM must include motor involvement, such as hemiparesis (weakness of an extremity). Hemiparesis occurs with at least one other symptom during FHM aura. Neurologic deficits with FHM attacks can be prolonged for hours to days and may outlast the associated migrainous headache. FHM is often earlier in onset than typical migraine, frequently beginning in the first or second decade; the frequency of attacks tends to decrease with age. Approximately 40%-50% of families with CACNA1A-FHM have cerebellar signs ranging from nystagmus to progressive, usually late-onset mild ataxia.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355962">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_357007"><div><strong>Perry syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>357007</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1868594</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The spectrum of DCTN1-related neurodegeneration includes Perry syndrome, distal hereditary motor neuronopathy type 7B (dHMN7B), frontotemporal dementia (FTD), motor neuron disease / amyotrophic lateral sclerosis (ALS), and progressive supranuclear palsy. Some individuals present with overlapping phenotypes (e.g., FTD-ALS, Perry syndrome-dHMN7B). Perry syndrome (the most common of the phenotypes associated with DCTN1) is characterized by parkinsonism, neuropsychiatric symptoms, hypoventilation, and weight loss. The mean age of onset in those with Perry syndrome is 49 years (range: 35-70 years), and the mean disease duration is five years (range: 2-14 years). In most affected persons, the reported cause/circumstance of death relates to sudden death/hypoventilation or suicide.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/357007">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_401500"><div><strong>Autosomal recessive juvenile Parkinson disease 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>401500</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1868675</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Parkin type of early-onset Parkinson disease (PARK-Parkin) is characterized by the cardinal signs of Parkinson disease (PD): bradykinesia, resting tremor, and rigidity. The median age at onset is 31 years (range: 3-81 years). The disease is slowly progressive: disease duration of more than 50 years has been reported. Clinical findings vary; hyperreflexia is common. Lower-limb dystonia may be a presenting sign and cognitive decline appears to be no more frequent than in the general population. Dyskinesia as a result of treatment with levodopa frequently occurs.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/401500">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_358384"><div><strong>Dystonia 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>358384</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1868681</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">ATP1A3-related disorder consists of heterogenous overlapping clinical findings that pertain to the four most common historically defined phenotypes: alternating hemiplegia of childhood (AHC); cerebellar ataxia, areflexia, pes cavus, optic atrophy, sensorineural hearing loss (CAPOS) syndrome; relapsing encephalopathy with cerebellar ataxia (RECA) / fever-induced paroxysmal weakness and encephalopathy (FIPWE); and rapid-onset dystonia-parkinsonism (RDP). These phenotypes exist on a spectrum and should be regarded as classifications of convenience. AHC is characterized by onset prior to age 18 months of paroxysmal hemiplegic episodes, predominately involving the limbs and/or the whole body, lasting from minutes to hours to days (and sometimes weeks) with remission only during sleep, only to resume after awakening. Although paroxysmal episodic neurologic dysfunction predominates early in the disease course, with age increasingly persistent neurologic dysfunction predominates, including oculomotor apraxia and strabismus, dysarthria, speech and language delay, developmental delay, and impairment in social skills. Other system involvement may include cardiovascular (cardiac conduction abnormalities) and gastrointestinal (constipation, vomiting, anorexia, diarrhea, nausea, and abdominal pain) manifestations. CAPOS syndrome presents in infancy or childhood (usually ages 6 months to 5 years) with cerebellar ataxia during or after a fever. The acute febrile encephalopathy may include hypotonia, flaccidity, nystagmus, strabismus, dysarthria/anarthria, lethargy, loss of consciousness, and even coma. Usually, considerable recovery occurs within days to weeks; however, persistence of some degree of ataxia and other manifestations is typical. RECA/FIPWE primarily presents with fever-induced episodes (infancy to age 5 years); however, first episodes can occur occasionally in young adults during illnesses such as mononucleosis. Recurrent fever-induced episodes may be ataxia-dominated RECA-like motor manifestations or FIPWE-like non-motor manifestations (encephalopathy) and can vary among affected individuals. Notably, RECA-like and FIPWE-like manifestations can occur in the same individual in different episodes. In some individuals episodes seem to decrease in frequency and severity over time, whereas others might experience worsening of manifestations. RDP presents in individuals ages 18 months to 60 years and older with dystonia that is typically of abrupt onset over hours to several weeks, though some individuals report gradual onset over the course of months. A stress-related trigger is identifiable in up to 75% of individuals. Dystonia rarely improves significantly after onset; some individuals report mild improvement over time, whereas others can experience subsequent episodes of abrupt worsening months to years after onset. Limbs are usually the first to be affected, although by the time of diagnosis – typically many years after onset – individuals most commonly display a bulbar-predominant generalized dystonia. Exceptions are common and a rostrocaudal gradient is rare rather than typical. Migraines and seizures are also observed.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/358384">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370750"><div><strong>Spastic ataxia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370750</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1969796</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spastic ataxia-2 (SPAX2) is a neurologic disorder characterized by onset in the first 2 decades of cerebellar ataxia, dysarthria, and variable spasticity of the lower limbs. Cognition is not affected (summary by Dor et al., 2014). For a discussion of genetic heterogeneity of spastic ataxia, see SPAX1 (108600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/370750">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370845"><div><strong>Leukoencephalopathy with brain stem and spinal cord involvement-high lactate syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370845</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1970180</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leukoencephalopathy with brain stem and spinal cord involvement and lactate elevation (LBSL) is characterized by slowly progressive cerebellar ataxia and spasticity with dorsal column dysfunction (decreased position and vibration sense) in most individuals. The neurologic dysfunction involves the legs more than the arms. The tendon reflexes are retained. Deterioration of motor skills usually starts in childhood or adolescence, but occasionally not until adulthood. Dysarthria develops over time. Occasional findings include epilepsy; learning problems; cognitive decline; and reduced consciousness, neurologic deterioration, and fever following minor head trauma. Individuals with neonatal or early-infantile onset have a severe disease course often associated with early death. Those with childhood onset have slow progression with wheelchair dependence in the teens or twenties. Adult onset is associated with slow progression and mild impairment.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/370845">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_382128"><div><strong>Autosomal recessive DOPA responsive dystonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>382128</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2673535</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
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<div class="spaceAbove">Tyrosine hydroxylase (TH) deficiency is associated with a broad phenotypic spectrum. Based on severity of symptoms/signs as well as responsiveness to levodopa therapy, clinical phenotypes caused by pathogenic variants in TH are divided into (1) TH-deficient dopa-responsive dystonia (the mild form of TH deficiency), (2) TH-deficient infantile parkinsonism with motor delay (the severe form), and (3) TH-deficient progressive infantile encephalopathy (the very severe form). In individuals with TH-deficient dopa-responsive dystonia (DYT5b, DYT-TH), onset is between age 12 months and 12 years; initial symptoms are typically lower-limb dystonia and/or difficulty in walking. Diurnal fluctuation of symptoms (worsening of the symptoms toward the evening and their alleviation in the morning after sleep) may be present. In most individuals with TH-deficient infantile parkinsonism with motor delay, onset is between age three and 12 months. In contrast to TH-deficient DRD, motor milestones are overtly delayed in this severe form. Affected infants demonstrate truncal hypotonia and parkinsonian symptoms and signs (hypokinesia, rigidity of extremities, and/or tremor). In individuals with TH-deficient progressive infantile encephalopathy, onset is before age three to six months. Fetal distress is reported in most. Affected individuals have marked delay in motor development, truncal hypotonia, severe hypokinesia, limb hypertonia (rigidity and/or spasticity), hyperreflexia, oculogyric crises, ptosis, intellectual disability, and paroxysmal periods of lethargy (with increased sweating and drooling) alternating with irritability.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/382128">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_393913"><div><strong>Chromosome 1q21.1 deletion syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>393913</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2675897</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The 1q21.1 recurrent deletion itself does not lead to a clinically recognizable syndrome, as some persons with the deletion have no obvious clinical findings. Others have variable findings that most commonly include mildly dysmorphic but nonspecific facial features (>75%), mild intellectual disability or learning disabilities (25%), microcephaly (43%), and eye abnormalities (26%). Other findings can include cardiac defects, genitourinary anomalies, skeletal malformations, joint laxity, and seizures (~23%). Psychiatric and behavioral abnormalities can include autism spectrum disorder, attention-deficit/hyperactivity disorder, and sleep disturbances. Sensorineural hearing loss and recurrent infections /otitis media are rare.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/393913">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_436642"><div><strong>Hypomyelinating leukodystrophy 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>436642</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2676244</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">TUBB4A-related leukodystrophy comprises a phenotypic spectrum in which the MRI findings range from hypomyelination with atrophy of the basal ganglia and cerebellum (H-ABC) at the severe end to isolated hypomyelination at the mild end. Progressive neurologic findings reflect involvement of the pyramidal tracts (spasticity, brisk deep tendon reflexes, and Babinski sign), extrapyramidal system (rigidity, dystonia, choreoathetosis, oculogyric crisis, and perioral dyskinesia), cerebellum (ataxia, intention tremor, dysmetria), and bulbar function (dysarthria, dysphonia, and swallowing). Cognition is variably affected, usually less severely than motor function. Typically, those with H-ABC present in early childhood (ages 1-3 years) and those with isolated hypomyelination in later childhood or adulthood. The rate of progression varies with disease severity.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/436642">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_394003"><div><strong>Epilepsy, progressive myoclonic, 1B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>394003</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2676254</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Individuals with biallelic PRICKLE1-related disorders typically present with progressive myoclonus epilepsy (PME) with ataxia characterized by myoclonic seizures (lightning-like jerks), generalized convulsive seizures, varying degrees of neurologic regression mainly presenting with ataxia, and mild cognitive impairment or normal cognition. Onset of symptoms is between ages five and ten years. Action myoclonus may affect the limbs or bulbar muscles, while spontaneous myoclonus may occasionally involve facial muscles. Dysarthria may also be an early feature of this condition. The main seizure types are myoclonic or tonic-clonic with frequent nocturnal occurrence. Individuals with heterozygous PRICKLE1 pathogenic variants have presented with non-PME seizures (isolated myoclonic seizures, juvenile myoclonic epilepsy), myoclonic epilepsy, developmental delay, intellectual disability, autism spectrum disorder, and/or central nervous system malformations.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/394003">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_436917"><div><strong>Developmental and epileptic encephalopathy, 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>436917</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2677326</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">STXBP1 encephalopathy with epilepsy is characterized by early-onset developmental delay, intellectual disability or cognitive dysfunction, and epilepsy. The median age of onset of seizures is six weeks (range: 1 day to 13 years). Seizure types can include infantile spasms; generalized tonic-clonic, clonic, or tonic seizures; and myoclonic, atonic, absence, and focal seizures. EEG abnormalities can include focal epileptic activity, burst suppression, hypsarrhythmia, or generalized spike-and-slow waves. Other neurologic findings include abnormal tone, movement disorders (especially ataxia and dystonia), and behavioral issues and autism spectrum disorder. Feeding difficulties are common.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/436917">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_436985"><div><strong>Autosomal recessive ataxia due to ubiquinone deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>436985</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2677589</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Primary coenzyme Q10 deficiency-4 (COQ10D4) is an autosomal recessive disorder characterized by childhood-onset of cerebellar ataxia and exercise intolerance. Some affected individuals develop seizures and have mild mental impairment, indicating variable severity. Oral coenzyme Q10 supplementation does not result in significant improvement of neurologic symptoms (summary by Mollet et al., 2008 and Lagier-Tourenne et al., 2008). For a general phenotypic description and a discussion of genetic heterogeneity of primary coenzyme Q10 deficiency, see COQ10D1 (607426).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/436985">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_394839"><div><strong>Tremor, hereditary essential, and idiopathic normal pressure hydrocephalus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>394839</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2678494</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/394839">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_411554"><div><strong>Paraplegia-intellectual disability-hyperkeratosis syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>411554</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2745996</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">This syndrome has characteristics of intellectual deficit, spasticity in the lower limbs (spastic paraplegia), pes cavus deformity of both feet, an abnormal gait, and palmar and plantar hyperkeratosis. It has been reported in four brothers. The mother of the affected boys had normal intelligence, plantar hyperkeratosis and a strong facial resemblance to her retarded sons. Her three daughters were normal. This syndrome most likely an X-linked recessive condition.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/411554">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_412914"><div><strong>Cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>412914</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750234</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cerebellar ataxia, impaired intellectual development, and dysequilibrium syndrome (CAMRQ) is a genetically heterogeneous disorder characterized by congenital cerebellar ataxia and intellectual disability (summary by Gulsuner et al., 2011). For a discussion of genetic heterogeneity of CAMRQ, see CAMRQ1 (224050).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/412914">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_412958"><div><strong>Hypermanganesemia with dystonia, polycythemia, and cirrhosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>412958</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750442</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypermanganesemia with dystonia 1 (HMNDYT1) is characterized by the following: A movement disorder resulting from manganese accumulation in the basal ganglia. Whole-blood manganese concentrations that often exceed 2000 nmol/L (normal: <320 nmol/L). Polycythemia. Hepatomegaly with variable hepatic fibrosis/cirrhosis. Neurologic findings can manifest in childhood (ages 2-15 years) as four-limb dystonia, leading to a characteristic high-stepping gait ("cock-walk gait"), dysarthria, fine tremor, and bradykinesia or on occasion spastic paraplegia; or in adulthood as parkinsonism (shuffling gait, rigidity, bradykinesia, hypomimia, and monotone speech) unresponsive to L-dopa treatment.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/412958">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_413851"><div><strong>Thyrotoxic periodic paralysis, susceptibility to, 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>413851</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750473</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any thyrotoxic periodic paralysis in which the cause of the disease is a mutation in the KCNJ18 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/413851">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_442496"><div><strong>Cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>442496</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750509</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-34 (SCAR34) is characterized by the onset of slowly progressive cerebellar ataxia in infancy or early childhood. Affected individuals show motor delay with delayed walking (around 5 to 6 years), unsteady wide-based gait, dysarthria, dysmetria, nystagmus, abnormal smooth pursuit, intention tremor, and dysdiadochokinesia. Some patients may also have hypotonia, spasticity, or other movement abnormalities. Almost all patients have impaired intellectual development with speech delay, although the severity is highly variable. Brain imaging shows cerebellar atrophy (summary by Kaiyrzhanov et al., 2024). For a discussion of genetic heterogeneity of CAMRQ, see CAMRQ1 (224050).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/442496">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_414031"><div><strong>Amyloidosis, hereditary systemic 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>414031</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2751492</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary transthyretin amyloidosis (ATTRv amyloidosis) is characterized by a slowly progressive peripheral sensorimotor and/or autonomic neuropathy. Amyloidosis can involve the heart, central nervous system (CNS), eyes, and kidneys. The disease usually begins in the third to fifth decade in persons from endemic foci in Portugal and Japan; onset is later in persons from other areas. Typically, sensory neuropathy starts in the lower extremities with paresthesia and hypesthesia of the feet, followed within a few years by motor neuropathy. In some persons, particularly those with early-onset disease, autonomic neuropathy is the first manifestation of the condition; findings can include orthostatic hypotension, constipation alternating with diarrhea, attacks of nausea and vomiting, delayed gastric emptying, sexual impotence, anhidrosis, and urinary retention or incontinence. Cardiac amyloidosis is mainly characterized by progressive restrictive cardiomyopathy. Individuals with leptomeningeal amyloidosis may have the following CNS findings: dementia, psychosis, visual impairment, headache, seizures, motor paresis, ataxia, myelopathy, hydrocephalus, or intracranial hemorrhage. Ocular involvement includes vitreous opacity, glaucoma, dry eye, and ocular amyloid angiopathy. Mild-to-severe kidney disease can develop.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/414031">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_414488"><div><strong>Autosomal recessive Parkinson disease 14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>414488</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2751842</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Parkinson's disease can also affect emotions and thinking ability (cognition). Some affected individuals develop psychiatric conditions such as depression and visual hallucinations. People with Parkinson's disease also have an increased risk of developing dementia, which is a decline in intellectual functions including judgment and memory.\n\nOften the first symptom of Parkinson's disease is trembling or shaking (tremor) of a limb, especially when the body is at rest. Typically, the tremor begins on one side of the body, usually in one hand. Tremors can also affect the arms, legs, feet, and face. Other characteristic symptoms of Parkinson's disease include rigidity or stiffness of the limbs and torso, slow movement (bradykinesia) or an inability to move (akinesia), and impaired balance and coordination (postural instability). These symptoms worsen slowly over time.\n\nGenerally, Parkinson's disease that begins after age 50 is called late-onset disease. The condition is described as early-onset disease if signs and symptoms begin before age 50. Early-onset cases that begin before age 20 are sometimes referred to as juvenile-onset Parkinson's disease.\n\nParkinson's disease is a progressive disorder of the nervous system. The disorder affects several regions of the brain, especially an area called the substantia nigra that controls balance and movement.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/414488">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_419694"><div><strong>DPAGT1-congenital disorder of glycosylation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>419694</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2931004</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Like all CDGs, which are caused by a shortage of precursor monosaccharide phosphate or deficiencies in the glycosyltransferases required for lipid-linked oligosaccharide precursor (LLO) synthesis, CDG Ij is caused by a defect in the formation of DPAGT1, the first dolichyl-linked intermediate of the protein N-glycosylation pathway. For a general discussion of CDGs, see CDG1A (212065).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/419694">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_419037"><div><strong>Spastic paraparesis-deafness syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>419037</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2931291</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A chronic neurodegenerative disorder with features of spastic paraparesis (beginning at about 10 years of age) and hearing deficits. It has been described in affecting at least six male members spanning three generations of a large family. Some relatives presented with tremor, cataracts, sensory deficits, short stature, hypogonadism, elevated cerebrospinal fluid protein, and/or absent or prolonged somatosensory evoked potentials.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/419037">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_462210"><div><strong>Epilepsy, familial adult myoclonic, 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462210</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150860</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial adult myoclonic epilepsy-3 (FAME3) is an autosomal dominant neurologic disorder characterized by onset of cortical tremor, mainly affecting the hands and voice, between 10 and 40 years of age, with adult onset being more common. Most affected individuals develop epilepsy with generalized tonic-clonic seizures; some may have partial or absence seizures. The disorder is nonprogressive or slowly progressive, and most patients respond to antiseizure medication (summary by Florian et al., 2019). For a phenotypic description and a discussion of genetic heterogeneity of familial adult myoclonic epilepsy, see FAME1 (601068).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462210">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_463618"><div><strong>Parkinson disease, late-onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>463618</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3160718</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Gaucher disease (GD) encompasses a continuum of clinical findings from a perinatal-lethal disorder to an asymptomatic type. The characterization of three major clinical types (1, 2, and 3) and two clinical forms (perinatal-lethal and cardiovascular) is useful in determining prognosis and management. Cardiopulmonary complications have been described with all the clinical phenotypes, although varying in frequency and severity. Type 1 GD is characterized by the presence of clinical or radiographic evidence of bone disease (osteopenia, focal lytic or sclerotic lesions, and osteonecrosis), hepatosplenomegaly, anemia, thrombocytopenia, lung disease, and the absence of primary central nervous system disease. Type 2 GD is characterized by primary central nervous system disease with onset before age two years, limited psychomotor development, and a rapidly progressive course with death by age two to four years. Type 3 GD is characterized by primary central nervous system disease with childhood onset, a more slowly progressive course, and survival into the third or fourth decade. The perinatal-lethal form is associated with ichthyosiform or collodion skin abnormalities or with nonimmune hydrops fetalis. The cardiovascular form is characterized by calcification of the aortic and mitral valves, mild splenomegaly, corneal opacities, and supranuclear ophthalmoplegia.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/463618">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481329"><div><strong>Mitochondrial complex V (ATP synthase) deficiency nuclear type 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481329</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3279699</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Mitochondrial encephalo-cardio-myopathy due to <i>TMEM70</i> mutation is characterized by early neonatal onset of hypotonia, hypetrophic cardiomyopathy and apneic spells within hours after birth accompanied by lactic acidosis, hyperammonemia and 3-methylglutaconic aciduria.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/481329">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481405"><div><strong>Multiple congenital anomalies-hypotonia-seizures syndrome 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481405</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3279775</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Multiple congenital anomalies-hypotonia-seizures syndrome is an autosomal recessive disorder characterized by neonatal hypotonia, lack of psychomotor development, seizures, dysmorphic features, and variable congenital anomalies involving the cardiac, urinary, and gastrointestinal systems. Most affected individuals die before 3 years of age (summary by Maydan et al., 2011). The disorder is caused by a defect in glycosylphosphatidylinositol biosynthesis; see GPIBD1 (610293). Genetic Heterogeneity of Multiple Congenital Anomalies-Hypotonia-Seizures Syndrome MCAHS2 (300868) is caused by mutation in the PIGA gene (311770) on chromosome Xp22, MCAHS3 (615398) is caused by mutation in the PIGT gene (610272) on chromosome 20q13, and MCAHS4 (618548) is caused by mutation in the PIGQ gene (605754) on chromosome 16p13. Knaus et al. (2018) provided a review of the main clinical features of the different types of MCAHS, noting that patients with mutations in the PIGN, PIGA, and PIGT genes have distinct patterns of facial anomalies that can be detected by computer-assisted comparison. Some individuals with MCAHS may have variable increases in alkaline phosphatase (AP) as well as variable decreases in GPI-linked proteins that can be detected by flow cytometry. However, there was no clear correlation between AP levels or GPI-linked protein abnormalities and degree of neurologic involvement, mutation class, or gene involved. Knaus et al. (2018) concluded that a distinction between MCAHS and HPMRS1 (239300), which is also caused by mutation in genes involved in GPI biosynthesis, may be artificial and even inaccurate, and that all these disorders should be considered and classified together under the more encompassing term of 'GPI biosynthesis defects' (GPIBD).</div>
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||
<div class="spaceAbove nowrap">See: <a href="/medgen/481405">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_481763"><div><strong>Parkinson disease 17</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481763</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280133</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">VPS35-related Parkinson disease (PARK-VPS35) is indistinguishable from Parkinson disease of unknown cause representing a simplex case (also referred to as "sporadic" Parkinson disease). PARK-VPS35 is characterized by typical parkinsonism (resting tremor, bradykinesia, rigidity, disturbance of postural reflexes) presenting on average a decade earlier than in individuals with simplex Parkinson disease of unknown cause. Median age of onset is approximately 50 years, with a range of onset spanning the third to eighth decade of life. PARK-VPS35 subtypes can include tremor dominant, akinetic rigid, gait difficulty, or mixed. Asymmetric presentation is typical. The disease course is usually milder than that of simplex Parkinson disease of unknown cause, with a decreased incidence of atypical signs. Dyskinesia and motor fluctuations may occur. Neuropsychiatric manifestations (depression and schizophrenia), learning difficulties, mild cognitive impairment, and dementia have been reported, albeit with lower occurrence than in simplex Parkinson disease of unknown cause. Additional findings include impaired sense of smell and autonomic manifestations including orthostasis and constipation.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/481763">Condition Record</a></div></div>
|
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<div class="divPopper rprt" id="rdis_482001"><div><strong>Neurodegeneration with brain iron accumulation 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482001</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280371</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial membrane protein-associated neurodegeneration (MPAN) is characterized initially by gait changes followed by progressive spastic paresis, progressive dystonia (which may be limited to the hands and feet or more generalized), neuropsychiatric abnormalities (emotional lability, depression, anxiety, impulsivity, compulsions, hallucinations, perseveration, inattention, and hyperactivity), and cognitive decline. Additional early findings can include dysphagia, dysarthria, optic atrophy, axonal neuropathy, parkinsonism, and bowel/bladder incontinence. Survival is usually well into adulthood. End-stage disease is characterized by severe dementia, spasticity, dystonia, and parkinsonism.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482001">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482058"><div><strong>Alpha-methylacyl-CoA racemase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482058</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280428</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">AMACR deficiency is a rare autosomal recessive peroxisomal disorder characterized by adult onset of variable neurodegenerative symptoms affecting the central and peripheral nervous systems. Features may include seizures, visual failure, sensorimotor neuropathy, spasticity, migraine, and white matter hyperintensities on brain imaging. Serum pristanic acid and C27 bile acid intermediates are increased (summary by Smith et al., 2010).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482058">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482186"><div><strong>Peripheral neuropathy-myopathy-hoarseness-hearing loss syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482186</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280556</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Peripheral neuropathy-myopathy-hoarseness-hearing loss syndrome is a rare, syndromic genetic deafness characterized by a combination of muscle weakness, chronic neuropathic and myopathic features, hoarseness and sensorineural hearing loss. A wide range of disease onset and severity has been reported even within the same family.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482186">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482274"><div><strong>Hypomyelinating leukodystrophy 8 with or without oligodontia and-or hypogonadotropic hypogonadism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482274</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280644</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">POLR3-related leukodystrophy, a hypomyelinating leukodystrophy with specific features on brain MRI, is characterized by varying combinations of four major clinical findings: Neurologic dysfunction, typically predominated by motor dysfunction (progressive cerebellar dysfunction, and to a lesser extent extrapyramidal [i.e., dystonia], pyramidal [i.e., spasticity] and cognitive dysfunctions). Abnormal dentition (delayed dentition, hypodontia, oligodontia, and abnormally placed or shaped teeth). Endocrine abnormalities such as short stature (in ~50% of individuals) with or without growth hormone deficiency, and more commonly, hypogonadotropic hypogonadism manifesting as delayed, arrested, or absent puberty. Ocular abnormality in the form of myopia, typically progressing over several years and becoming severe. POLR3-related leukodystrophy and 4H leukodystrophy are the two recognized terms for five previously described overlapping clinical phenotypes (initially described as distinct entities before their molecular basis was known). These include: Hypomyelination, hypodontia, hypogonadotropic hypogonadism (4H syndrome); Ataxia, delayed dentition, and hypomyelination (ADDH); Tremor-ataxia with central hypomyelination (TACH); Leukodystrophy with oligodontia (LO); Hypomyelination with cerebellar atrophy and hypoplasia of the corpus callosum (HCAHC). Age of onset is typically in early childhood but later-onset cases have also been reported. An infant with Wiedemann-Rautenstrauch syndrome (neonatal progeroid syndrome) was recently reported to have pathogenic variants in POLR3A on exome sequencing. Confirmation of this as a very severe form of POLR3-related leukodystrophy awaits replication in other individuals with a clinical diagnosis of Wiedemann-Rautenstrauch syndrome.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482274">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482830"><div><strong>Leukoencephalopathy with calcifications and cysts</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482830</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3281200</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leukoencephalopathy, brain calcifications, and cysts (LCC), also known as Labrune syndrome, is characterized by a constellation of features restricted to the central nervous system, including leukoencephalopathy, brain calcifications, and cysts, resulting in spasticity, dystonia, seizures, and cognitive decline (summary by Labrune et al., 1996). See also cerebroretinal microangiopathy with calcifications and cysts (CRMCC; 612199), an autosomal recessive disorder caused by mutation in the CTC1 gene (613129) that shows phenotypic similarities to Labrune syndrome. CRMCC includes the neurologic findings of intracranial calcifications, leukodystrophy, and brain cysts, but also includes retinal vascular abnormalities and other systemic manifestations, such as osteopenia with poor bone healing, a high risk of gastrointestinal bleeding, hair, skin, and nail changes, and anemia and thrombocytopenia. Although Coats plus syndrome and Labrune syndrome were initially thought to be manifestations of the same disorder, namely CRMCC, molecular evidence has excluded mutations in the CTC1 gene in patients with Labrune syndrome, suggesting that the 2 disorders are not allelic (Anderson et al., 2012; Polvi et al., 2012).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482830">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_501212"><div><strong>Charcot-Marie-Tooth disease type 1E</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>501212</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3495591</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare subtype of CMT1 characterized by a variable clinical presentation. Onset within the first two years of life with a delay in walking is not uncommon; however, onset may occur later. CMT1E is caused by point mutations in the <i>PMP22</i> (17p12) gene. The disease severity depends on the particular <i>PMP22</i> mutation, with some cases being very mild and even resembling hereditary neuropathy with liability to pressure palsies, while others having an earlier onset with a more severe phenotype (reminiscent of Dejerine-Sottas syndrome) than that seen in CMT1A, caused by gene duplication. These severe cases may also report deafness and much slower motor nerve conduction velocities compared to CMT1A patients.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/501212">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_761287"><div><strong>Aicardi-Goutieres syndrome 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>761287</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3539013</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Most characteristically, Aicardi-Goutières syndrome (AGS) manifests as an early-onset encephalopathy that usually, but not always, results in severe intellectual and physical disability. A subgroup of infants with AGS present at birth with abnormal neurologic findings, hepatosplenomegaly, elevated liver enzymes, and thrombocytopenia, a picture highly suggestive of congenital infection. Otherwise, most affected infants present at variable times after the first few weeks of life, frequently after a period of apparently normal development. Typically, they demonstrate the subacute onset of a severe encephalopathy characterized by extreme irritability, intermittent sterile pyrexias, loss of skills, and slowing of head growth. Over time, as many as 40% develop chilblain skin lesions on the fingers, toes, and ears. It is becoming apparent that atypical, sometimes milder, cases of AGS exist, and thus the true extent of the phenotype associated with pathogenic variants in the AGS-related genes is not yet known.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/761287">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_762202"><div><strong>Peroxisome biogenesis disorder 5B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>762202</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3542026</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The overlapping phenotypes of neonatal adrenoleukodystrophy (NALD) and infantile Refsum disease (IRD) represent the milder manifestations of the Zellweger syndrome spectrum (ZSS) of peroxisome biogenesis disorders. The clinical course of patients with the NALD and IRD presentation is variable and may include developmental delay, hypotonia, liver dysfunction, sensorineural hearing loss, retinal dystrophy, and visual impairment. Children with the NALD presentation may reach their teens, and those with the IRD presentation may reach adulthood (summary by Waterham and Ebberink, 2012). For a complete phenotypic description and a discussion of genetic heterogeneity of PBD(NALD/IRD), see 601539. Individuals with mutations in the PEX2 gene have cells of complementation group 5 (CG5, equivalent to CG10 and CGF). For information on the history of PBD complementation groups, see 214100.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/762202">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_763887"><div><strong>Neurodegeneration with brain iron accumulation 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>763887</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3550973</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Beta-propeller protein-associated neurodegeneration (BPAN) is typically characterized by early-onset seizures, infantile-onset developmental delay, intellectual disability, absent-to-limited expressive language, motor dysfunction (ataxia), and abnormal behaviors often similar to autism spectrum disorder. Seizure types including generalized (absence, tonic, atonic, tonic-clonic and myoclonic), focal with impaired consciousness, and epileptic spasms, as well as epileptic syndromes (West syndrome and Lennox-Gastaut syndrome) can be seen. With age seizures tend to resolve or become less prominent, whereas cognitive decline and movement disorders (progressive parkinsonism and dystonia) emerge as characteristic findings.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/763887">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_764868"><div><strong>Coenzyme Q10 deficiency, primary, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>764868</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3551954</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Primary CoQ10 deficiency is a rare, clinically heterogeneous autosomal recessive disorder caused by mutation in any of the genes encoding proteins directly involved in the synthesis of coenzyme Q (review by Quinzii and Hirano, 2011). Coenzyme Q10 (CoQ10), or ubiquinone, is a mobile lipophilic electron carrier critical for electron transfer by the mitochondrial inner membrane respiratory chain (Duncan et al., 2009). The disorder has been associated with 4 major phenotypes, but the molecular basis has not been determined in most patients with the disorder and there are no clear genotype/phenotype correlations. The phenotypes include an encephalomyopathic form with seizures and ataxia (Ogasahara et al., 1989); a multisystem infantile form with encephalopathy, cardiomyopathy and renal failure (Rotig et al., 2000); a predominantly cerebellar form with ataxia and cerebellar atrophy (Lamperti et al., 2003); and Leigh syndrome with growth retardation (van Maldergem et al., 2002). The correct diagnosis is important because some patients may show a favorable response to CoQ10 treatment. Genetic Heterogeneity of Primary Coenzyme Q10 Deficiency See also COQ10D2 (614651), caused by mutation in the PDSS1 gene (607429) on chromosome 10p12; COQ10D3 (614652), caused by mutation in the PDSS2 gene (610564) on chromosome 6q21; COQ10D4 (612016), caused by mutation in the COQ8 gene (ADCK3; 606980) on chromosome 1q42; COQ10D5 (614654), caused by mutation in the COQ9 gene (612837) on chromosome 16q21; COQ10D6 (614650), caused by mutation in the COQ6 gene (614647) on chromosome 14q24; COQ10D7 (616276), caused by mutation in the COQ4 gene (612898) on chromosome 9q34; COQ10D8 (616733), caused by mutation in the COQ7 gene (601683) on chromosome 16p13; and COQ10D9 (619028), caused by mutation in the COQ5 gene (616359) on chromosome 12q24. Secondary CoQ10 deficiency has been reported in association with glutaric aciduria type IIC (MADD; 231680), caused by mutation in the ETFDH gene (231675) on chromosome 4q, and with ataxia-oculomotor apraxia syndrome-1 (AOA1; 208920), caused by mutation in the APTX gene (606350) on chromosome 9p13.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/764868">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_766730"><div><strong>Autosomal recessive spinocerebellar ataxia 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>766730</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3553816</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-13 (SCAR13) is an autosomal recessive neurologic disorder characterized by delayed psychomotor development beginning in infancy. Affected individuals show mildly to profoundly impaired intellectual development with poor or absent speech as well as gait and stance ataxia and hyperreflexia. Most individuals also have eye movement abnormalities. Brain MRI shows cerebellar atrophy and ventriculomegaly (Guergueltcheva et al., 2012).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/766730">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_767312"><div><strong>Lower motor neuron syndrome with late-adult onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767312</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3554398</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">CHCHD10-related disorders are characterized by a spectrum of adult-onset neurologic phenotypes that can include: Mitochondrial myopathy (may also be early onset): weakness, amyotrophy, exercise intolerance. Amyotrophic lateral sclerosis (ALS): progressive degeneration of upper motor neurons and lower motor neurons. Frontotemporal dementia (FTD): slowly progressive behavioral changes, language disturbances, cognitive decline, extrapyramidal signs. Late-onset spinal motor neuronopathy (SMA, Jokela type): weakness, cramps, and/or fasciculations; areflexia. Axonal Charcot-Marie-Tooth neuropathy: slowly progressive lower-leg muscle weakness and atrophy, small hand muscle weakness, loss of tendon reflexes, sensory abnormalities. Cerebellar ataxia: gait ataxia, kinetic ataxia (progressive loss of coordination of lower- and upper-limb movements), dysarthria/dysphagia, nystagmus, cerebellar oculomotor disorder. Because of the recent discovery of CHCHD10-related disorders and the limited number of affected individuals reported to date, the natural history of these disorders (except for SMAJ caused by the p.Gly66Val pathogenic variant) is largely unknown.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767312">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_767474"><div><strong>Epilepsy, familial adult myoclonic, 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767474</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3554560</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767474">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_767519"><div><strong>Mitochondrial complex III deficiency nuclear type 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767519</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3554605</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial complex III deficiency nuclear type 2 is an autosomal recessive severe neurodegenerative disorder that usually presents in childhood, but may show later onset, even in adulthood. Affected individuals have motor disability, with ataxia, apraxia, dystonia, and dysarthria, associated with necrotic lesions throughout the brain. Most patients also have cognitive impairment and axonal neuropathy and become severely disabled later in life (summary by Ghezzi et al., 2011). The disorder may present clinically as spinocerebellar ataxia or Leigh syndrome, or with psychiatric disturbances (Morino et al., 2014; Atwal, 2014; Nogueira et al., 2013). For a discussion of genetic heterogeneity of mitochondrial complex III deficiency, see MC3DN1 (124000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767519">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_811503"><div><strong>Multiple system atrophy 1, susceptibility to</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811503</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3714927</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
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||
<div class="spaceAbove">Multiple system atrophy (MSA) is a distinct clinicopathologic entity that manifests as a progressive adult-onset neurodegenerative disorder causing parkinsonism, cerebellar ataxia, and autonomic, urogenital, and pyramidal dysfunction in various combinations. Two main subtypes are recognized: 'subtype C,' characterized predominantly by cerebellar ataxia, and 'subtype P,' characterized predominantly by parkinsonism. MSA is characterized pathologically by the degeneration of striatonigral and olivopontocerebellar structures and glial cytoplasmic inclusions (GCIs) that consist of abnormally phosphorylated alpha-synuclein (SNCA; 163890) or tau (MAPT; 157140) (Gilman et al., 1998; Gilman et al., 2008; Scholz et al., 2009). 'Subtype C' of MSA has been reported to be more prevalent than 'subtype P' in the Japanese population (65-67% vs 33-35%), whereas 'subtype P' has been reported to be more prevalent than 'subtype C' in Europe (63% vs 34%) and North America (60% vs 13%, with 27% of cases unclassified) (summary by The Multiple-System Atrophy Research Collaboration, 2013). MSA is similar clinically and pathologically to Parkinson disease (PD; 168600) and Lewy body dementia (127750). See also PARK1 (168601), which is specifically caused by mutation in the SNCA gene. Pure autonomic failure manifests as orthostatic hypotension and other autonomic abnormalities without other neurologic involvement. Although there is some phenotypic overlap, the relationship of pure autonomic failure to MSA is unclear (Vanderhaeghen et al., 1970; Schatz, 1996).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/811503">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_811566"><div><strong>Neuronal ceroid lipofuscinosis 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811566</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3715049</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neuronal ceroid lipofuscinosis-13 (CLN13) is an autosomal recessive neurodegenerative disorder characterized by adult onset of progressive cognitive decline and motor dysfunction leading to dementia and often early death. Some patients develop seizures. Neurons show abnormal accumulation of autofluorescent material (summary by Smith et al., 2013). Adult-onset neuronal ceroid lipofuscinosis is sometimes referred to as Kufs disease (see 204300). In a review of the classification of CLN disease, Gardner and Mole (2021) noted that the CLN13 phenotype corresponds to 'Kufs type B', which is characterized by dementia and a variety of motor signs (Smith et al., 2013). For a discussion of genetic heterogeneity of neuronal ceroid lipofuscinosis (CLN), see CLN1 (256730).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/811566">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_815704"><div><strong>Epilepsy, familial adult myoclonic, 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815704</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809374</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Early-onset epilepsy-5 with or without developmental delay (EPEO5) is an autosomal recessive neurologic disorder characterized by the onset of various types of seizures late in the first decade or during adolescence. Focal seizures are common. Most affected individuals have developmental delay, variable impaired intellectual development, and/or behavioral and neuropsychiatric abnormalities (Stogmann et al., 2013; Abdulkareem et al., 2023). For a discussion of genetic heterogeneity of EPEO, see 617290.</div>
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||
<div class="spaceAbove nowrap">See: <a href="/medgen/815704">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_816154"><div><strong>Early-onset Parkinson disease 20</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816154</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809824</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Parkinson disease-20 is an autosomal recessive neurodegenerative disorder characterized by young adult-onset of parkinsonism. Additional features may include seizures, cognitive decline, abnormal eye movements, and dystonia (summary by Krebs et al., 2013 and Quadri et al., 2013). For a phenotypic description and a discussion of genetic heterogeneity of Parkinson disease, see PD (168600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816154">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_816301"><div><strong>Congenital microcephaly - severe encephalopathy - progressive cerebral atrophy syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816301</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809971</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Asparagine synthetase deficiency (ASD) mainly presents as a triad of congenital microcephaly, severe developmental delay, and axial hypotonia followed by spastic quadriplegia. Low cerebrospinal fluid (CSF) asparagine level can help the clinician in differentiating this disorder from others. In most cases age of onset of apnea, excessive irritability, and seizures is soon after birth. Affected individuals typically do not acquire any developmental milestones. Spastic quadriplegia can lead to severe contractures of the limbs and neurogenic scoliosis. Feeding difficulties (gastroesophageal reflux disease, frequent vomiting, swallowing dysfunction, and gastroesophageal incoordination) are a significant problem in most affected individuals. A majority have cortical blindness. MRI findings are nonspecific but may include generalized atrophy and simplified gyral pattern.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816301">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_816331"><div><strong>Growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816331</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3810001</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-18 (COXPD18) is an autosomal recessive disorder of mitochondrial function characterized by intrauterine growth retardation, hypotonia, visual impairment, speech delay, and lactic acidosis associated with decreased mitochondrial respiratory chain activity. Affected patients may also show hematologic abnormalities, mainly macrocytic anemia (summary by Hildick-Smith et al., 2013). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816331">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_816615"><div><strong>Proximal myopathy with extrapyramidal signs</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816615</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3810285</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Myopathy with extrapyramidal signs is an autosomal recessive disorder characterized by early childhood onset of proximal muscle weakness and learning disabilities. While the muscle weakness is static, most patients develop progressive extrapyramidal signs that may become disabling (summary by Logan et al., 2014). Brain MRI in 1 patient showed congenital malformations, including polymicrogyria and cerebellar dysplasia (Wilton et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816615">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_855217"><div><strong>Spinocerebellar ataxia type 37</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>855217</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3889636</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 37 (SCA37) is characterized by adult onset, dysarthria, slowly progressive gait and limb ataxia with severe dysmetria in the lower extremities, mild dysmetria in the upper extremities, dysphagia, and abnormal ocular movements (dysmetric vertical saccades, irregular and slow vertical smooth pursuit, slow vertical optokinetic nystagmus, and oscillopsia (visual disturbance in which objects appear to oscillate). In most individuals, the initial signs/symptoms include falls, dysarthria, or clumsiness followed by a complete cerebellar syndrome. A distinctive clinical feature is the presence of altered vertical eye movements in early stages of the disease, even preceding ataxia symptoms. Clinical progression is slow and affected individuals usually become wheelchair bound between ten and 33 years after disease onset.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/855217">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863137"><div><strong>Severe neurodegenerative syndrome with lipodystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863137</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014700</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The spectrum of BSCL2-related neurologic disorders includes Silver syndrome and variants of Charcot-Marie-Tooth neuropathy type 2, distal hereditary motor neuropathy (dHMN) type V, and spastic paraplegia 17. Features of these disorders include onset of symptoms ranging from the first to the seventh decade, slow disease progression, upper motor neuron involvement (gait disturbance with pyramidal signs ranging from mild to severe spasticity with hyperreflexia in the lower limbs and variable extensor plantar responses), lower motor neuron involvement (amyotrophy of the peroneal muscles and small muscles of the hand), and pes cavus and other foot deformities. Disease severity is variable among and within families.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863137">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863857"><div><strong>Progressive myoclonic epilepsy type 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863857</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4015420</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Progressive myoclonic epilepsy-7 (EPM7) is a neurologic disorder characterized by onset of severe progressive myoclonus and infrequent tonic-clonic seizures in the first or second decades of life. Most patients become wheelchair-bound; some patients may have cognitive decline (summary by Muona et al., 2015). For a discussion of genetic heterogeneity of progressive myoclonic epilepsy, see EPM1A (254800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863857">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_902592"><div><strong>Spinocerebellar ataxia type 42</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>902592</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225205</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-42 (SCA42) is an autosomal dominant neurologic disorder characterized predominantly by gait instability and additional cerebellar signs such as dysarthria, nystagmus, and saccadic pursuits. The age at onset and severity of the disorder is highly variable. The disorder is slowly progressive (Coutelier et al., 2015). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/902592">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_895482"><div><strong>Neuropathy, hereditary motor and sensory, type 6B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>895482</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225302</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary motor and sensory neuropathy type VIB is an autosomal recessive complex progressive neurologic disorder characterized mainly by early-onset optic atrophy resulting in progressive visual loss and peripheral axonal sensorimotor neuropathy with highly variable age at onset and severity. Affected individuals may also have cerebellar or pontocerebellar atrophy on brain imaging, and they may show abnormal movements such as ataxia, dysmetria, and myoclonus (summary by Abrams et al., 2015). For a general phenotypic description and a discussion of genetic heterogeneity of HMSN6, see HMSN6A (601152).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/895482">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_897960"><div><strong>Hypomyelinating leukodystrophy 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>897960</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225305</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">POLR3-related leukodystrophy, a hypomyelinating leukodystrophy with specific features on brain MRI, is characterized by varying combinations of four major clinical findings: Neurologic dysfunction, typically predominated by motor dysfunction (progressive cerebellar dysfunction, and to a lesser extent extrapyramidal [i.e., dystonia], pyramidal [i.e., spasticity] and cognitive dysfunctions). Abnormal dentition (delayed dentition, hypodontia, oligodontia, and abnormally placed or shaped teeth). Endocrine abnormalities such as short stature (in ~50% of individuals) with or without growth hormone deficiency, and more commonly, hypogonadotropic hypogonadism manifesting as delayed, arrested, or absent puberty. Ocular abnormality in the form of myopia, typically progressing over several years and becoming severe. POLR3-related leukodystrophy and 4H leukodystrophy are the two recognized terms for five previously described overlapping clinical phenotypes (initially described as distinct entities before their molecular basis was known). These include: Hypomyelination, hypodontia, hypogonadotropic hypogonadism (4H syndrome); Ataxia, delayed dentition, and hypomyelination (ADDH); Tremor-ataxia with central hypomyelination (TACH); Leukodystrophy with oligodontia (LO); Hypomyelination with cerebellar atrophy and hypoplasia of the corpus callosum (HCAHC). Age of onset is typically in early childhood but later-onset cases have also been reported. An infant with Wiedemann-Rautenstrauch syndrome (neonatal progeroid syndrome) was recently reported to have pathogenic variants in POLR3A on exome sequencing. Confirmation of this as a very severe form of POLR3-related leukodystrophy awaits replication in other individuals with a clinical diagnosis of Wiedemann-Rautenstrauch syndrome.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/897960">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_909501"><div><strong>Developmental and epileptic encephalopathy, 32</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>909501</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225350</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-32 (DEE32) is a neurologic disorder characterized by the onset of various seizure types, including febrile and myoclonic seizures, between about 5 and 17 months of age after normal early development. Thereafter, patients manifest global developmental delay or developmental regression with impaired intellectual development and poor or absent speech. Some may be able to attend special schools. Other features include ataxia with difficulty walking, deficient fine motor skills, tremor, and dysarthria. The seizures are initially refractory in some cases, but may remit later during childhood; however, neurologic deficits persist (summary by Syrbe et al., 2015). For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/909501">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_903105"><div><strong>Parkinson disease 21</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>903105</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225353</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Parkinson disease-21 (PARK21) is an autosomal dominant form of typical adult-onset Parkinson disease characterized by tremor, rigidity, bradykinesia, postural instability, and good response to levodopa treatment (summary by Vilarino-Guell et al., 2014). For a phenotypic description and a discussion of genetic heterogeneity of Parkinson disease, see PD (168600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/903105">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_895952"><div><strong>Progressive essential tremor-speech impairment-facial dysmorphism-intellectual disability-abnormal behavior syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>895952</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225395</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare genetic syndromic intellectual disability characterized by global developmental delay, moderate to severe intellectual disability, motor and language impairment, behavioral abnormalities (with mood instability, aggression and self-mutilation) and progressive hand tremor. Facial dysmorphism includes narrow palpebral fissures, large ears, long philtrum and prominent chin.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/895952">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_902184"><div><strong>Syndromic X-linked intellectual disability 34</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>902184</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225417</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
|
||
<div class="spaceAbove">X-linked syndromic intellectual developmental disorder-34 (MRXS34) is an X-linked recessive neurodevelopmental disorder characterized by delayed psychomotor development, intellectual disability with poor speech, dysmorphic facial features, and mild structural brain abnormalities, including thickening of the corpus callosum (summary by Mircsof et al., 2015).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/902184">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_895979"><div><strong>Intellectual disability, X-linked, syndromic 33</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>895979</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225418</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">X-linked syndromic intellectual developmental disorder-33 (MRXS33) is an X-linked recessive neurodevelopmental disorder characterized by delayed psychomotor development, intellectual disability, and characteristic facial features (summary by O'Rawe et al., 2015).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/895979">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_924419"><div><strong>Intellectual disability, X-linked 61</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>924419</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4283894</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Tonne-Kalscheuer syndrome (TOKAS) is an X-linked recessive multiple congenital anomaly disorder with 2 main presentations. Most patients exhibit global developmental delay apparent from early infancy, impaired intellectual development, speech delay, behavioral abnormalities, and abnormal gait. Affected individuals also have dysmorphic facial features that evolve with age, anomalies of the hands, feet, and nails, and urogenital abnormalities with hypogenitalism. A subset of more severely affected males develop congenital diaphragmatic hernia in utero, which may result in perinatal or premature death. Carrier females may have very mild skeletal or hormonal abnormalities (summary by Frints et al., 2019). Also see Fryns syndrome (229850), an autosomal recessive disorder with overlapping features.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/924419">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_929215"><div><strong>Brain dopamine-serotonin vesicular transport disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>929215</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4303546</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An infantile-onset neurometabolic disease with characteristics of dystonia, parkinsonism, nonambulation, autonomic dysfunction, developmental delay and mood disturbances. The prevalence is unknown. It has been described in 8 patients from one Saudi Arabian family to date. Caused by a mutation in the SLC18A2 gene (10q25), encoding the vesicular monoamine transporter 2 (VMAT2) which is responsible for the transport of dopamine and serotonin into synaptic vesicles. Mutations in this gene lead to the impairment of VMAT2 and consequently to problems with motor control, autonomic functioning and mood regulation. It is inherited in an autosomal recessive manner.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/929215">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934600"><div><strong>Dystonia 28, childhood-onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934600</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310633</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">KMT2B-related dystonia (DYT-KMT2B) is a complex childhood-onset (mean age 7 years) movement disorder described to date in 39 individuals. It is characterized by a progressive disease course evolving commonly from lower-limb focal dystonia into generalized dystonia with prominent cervical, cranial, and laryngeal involvement. Communication difficulties, secondary to articulation difficulties and low speech volume, are common. Bulbar dysfunction leads to impaired swallowing. Intellectual disability (ID) / developmental delay (DD) are commonly reported. Additional findings can include eye movement abnormalities, skin changes, psychiatric comorbidities (attention-deficit/hyperactivity disorder, anxiety, depression, and obsessive-compulsive disorder), myoclonus, seizures, spasticity, and sensorineural hearing loss. Many affected individuals follow a similar disease course, though milder and atypical findings have been described.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934600">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934617"><div><strong>3-methylglutaconic aciduria type 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934617</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310650</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MGCA8 is an autosomal recessive metabolic disorder resulting in death in infancy. Features include hypotonia, abnormal movements, respiratory insufficiency with apneic episodes, and lack of developmental progress, often with seizures. Brain imaging is variable, but may show progressive cerebral atrophy. Laboratory studies show increased serum lactate and 3-methylglutaconic aciduria, suggesting a mitochondrial defect (summary by Mandel et al., 2016). For a phenotypic description and a discussion of genetic heterogeneity of 3-methylglutaconic aciduria, see MGCA type I (250950).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934617">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934642"><div><strong>Encephalopathy, progressive, early-onset, with brain edema and/or leukoencephalopathy, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934642</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310675</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Early-onset progressive encephalopathy with brain edema and/or leukoencephalopathy-1 (PEBEL1) is an autosomal recessive severe neurometabolic disorder characterized by rapidly progressive neurologic deterioration that is usually associated with a febrile illness. Affected infants tend to show normal early development followed by acute psychomotor regression with ataxia, hypotonia, respiratory insufficiency, and seizures, resulting in coma and death in the first years of life. Brain imaging shows multiple abnormalities, including brain edema and signal abnormalities in the cortical and subcortical regions (summary by Kremer et al., 2016). Genetic Heterogeneity of PEBEL See also PEBEL2 (618321), caused by mutation in the NAXD gene (615910) on chromosome 13q34.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934642">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934654"><div><strong>Developmental and epileptic encephalopathy, 46</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934654</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310687</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">GRIN2D-related developmental and epileptic encephalopathy (GRIN2D-related DEE) is characterized by mild-to-profound developmental delay or intellectual disability, epilepsy, abnormal muscle tone (hypotonia and spasticity), movement disorders (dystonia, dyskinesia, chorea), autism spectrum disorder, and cortical visual impairment. Additional findings can include sleep disorders and feeding difficulties. To date 22 individuals with GRIN2D-related DEE have been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934654">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934660"><div><strong>Neurodegeneration with ataxia, dystonia, and gaze palsy, childhood-onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934660</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310693</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Childhood-onset neurodegeneration with ataxia, dystonia, and gaze palsy (NADGP) is an autosomal recessive progressive disorder characterized by onset of gait ataxia, cognitive decline, and gaze palsy in the first or second decades. Additional features include dysarthria, dystonia, and athetoid movements. Some patients may become wheelchair-bound as young adults (summary by Haack et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934660">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934683"><div><strong>Developmental and epileptic encephalopathy, 42</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934683</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310716</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-42 (DEE42) is a neurologic disorder characterized by the onset of various types of seizures in the first hours or days of life, although rare patients may have onset in the first weeks of life. The seizures tend to be refractory and associated with EEG abnormalities, including multifocal spikes and generalized spike-wave complexes. Affected infants show global developmental delay with severely impaired intellectual development. Other features may include axial hypotonia, peripheral hypertonia with hyperreflexia, tremor, ataxia, and abnormal eye movements (summary by the Epi4K Consortium, 2016). For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934683">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934707"><div><strong>Micrognathia-recurrent infections-behavioral abnormalities-mild intellectual disability syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934707</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310740</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">TRIO-related neurodevelopmental disorder (TRIO-NDD) is characterized by two phenotypes: TRIO-NDD due to gain-of-function variants and TRIO-NDD due to loss-of-function variants. TRIO-NDD due to gain-of-function variants within the spectrin repeat domain is characterized by moderate-to-severe developmental delay, intellectual disability, macrocephaly (or relative macrocephaly), neurobehavioral manifestations (poor attention, stereotypies, obsessive-compulsive behavior, aggressive behavior, and autism spectrum disorder), and early feeding difficulties with poor weight gain and growth deficiency. Seizures, constipation, scoliosis, dental abnormalities, and cardiac anomalies are also reported. TRIO-NDD due to loss-of-function variants is characterized by mild-to-moderate developmental delay and intellectual disability, microcephaly, neurobehavioral manifestations (poor attention, aggressive behavior, autism spectrum disorder, obsessive-compulsive traits, and stereotypies), early feeding difficulties with poor weight gain, dental abnormalities, and digit anomalies, including 2-3 toe syndactyly in some individuals. Seizures, constipation, scoliosis, and cardiac anomalies are also reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934707">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934730"><div><strong>Spinocerebellar ataxia 43</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934730</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310763</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-43 (SCA43) is an autosomal dominant, slowly progressive neurologic disorder characterized by adult-onset gait and limb ataxia and often associated with peripheral neuropathy mainly affecting the motor system, although some patients may have distal sensory impairment (summary by Depondt et al., 2016). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934730">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934732"><div><strong>Hypermanganesemia with dystonia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934732</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310765</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SLC39A14 deficiency is typically characterized by evidence of delay or loss of motor developmental milestones (e.g., delayed walking, gait disturbance) between ages six months and three years. Early in the disease course, children show axial hypotonia followed by dystonia, spasticity, dysarthria, bulbar dysfunction, and signs of parkinsonism including bradykinesia, hypomimia, and tremor. By the end of the first decade, they develop severe, generalized, pharmaco-resistant dystonia, limb contractures, and scoliosis, and lose independent ambulation. Cognitive impairment appears to be less prominent than motor disability. Some affected children have died in their first decade due to secondary complications such as respiratory infections. One individual with disease onset during the late teens has been reported, suggesting that milder adult presentation can occur.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934732">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934775"><div><strong>Autosomal dominant striatal neurodegeneration type 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934775</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310808</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant striatal degeneration is a neurologic disorder characterized by variable movement abnormalities due to dysfunction in the striatal part of the basal ganglia (summary by Kuhlenbaumer et al., 2004). Genetic Heterogeneity of Autosomal Dominant Striatal Degeneration See also ADSD2 (616922), caused by mutation in the PDE10A gene (610652) on chromosome 6q27.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934775">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934784"><div><strong>Intellectual disability, X-linked 104</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934784</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310817</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any non-syndromic X-linked intellectual disability in which the cause of the disease is a mutation in the FRMPD4 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934784">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1392054"><div><strong>Intellectual disability, X-linked, syndromic, 35</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1392054</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4478383</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1392054">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1379711"><div><strong>Lopes-Maciel-Rodan syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1379711</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479491</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1379711">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1375401"><div><strong>Gabriele de Vries syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1375401</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479652</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Gabriele-de Vries syndrome is characterized by mild-to-profound developmental delay / intellectual disability (DD/ID) in all affected individuals and a wide spectrum of functional and morphologic abnormalities. Intrauterine growth restriction or low birth weight and feeding difficulties are common. Congenital brain, eye, heart, kidney, genital, and/or skeletal system anomalies have also been reported. About half of affected individuals have neurologic manifestations, including hypotonia and gait abnormalities. Behavioral issues can include attention-deficit/hyperactivity disorder, anxiety, autism or autistic behavior, and schizoaffective disorder.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1375401">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1385598"><div><strong>Autosomal recessive limb-girdle muscular dystrophy type R18</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1385598</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4517996</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive limb-girdle muscular dystrophy-18 (LGMDR18) is characterized by childhood-onset of proximal muscle weakness resulting in gait abnormalities and scapular winging. Serum creatine kinase is increased. A subset of patients may show a hyperkinetic movement disorder with chorea, ataxia, or dystonia and global developmental delay (summary by Bogershausen et al., 2013). Additional more variable features include alacrima, achalasia, cataracts, or hepatic steatosis (Liang et al., 2015; Koehler et al., 2017). For a discussion of genetic heterogeneity of autosomal recessive limb-girdle muscular dystrophy, see LGMDR1 (253600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1385598">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1385103"><div><strong>Spinocerebellar ataxia type 40</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1385103</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4518336</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A very rare disease with characteristics of adult-onset unsteady gait and dysarthria, followed by wide-based gait, gait ataxia, ocular dysmetria, intention tremor, scanning speech, hyperreflexia and dysdiadochokinesis.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1385103">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1379865"><div><strong>Spinocerebellar ataxia type 38</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1379865</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4518337</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 38 (SCA38) is characterized as a pure cerebellar ataxia with symptoms typically manifesting in the fourth decade of life. The most common presenting features are nystagmus and slowly progressive gait ataxia. As the disease progresses, cerebellar symptoms (limb ataxia, dysarthria, dysphagia, diplopia on the horizontal line) may emerge, and affected individuals may experience sensory loss. In the later stages of the condition, ophthalmoparesis followed by ophthalmoplegia may occur. Features that distinguish SCA38 from other spinocerebellar ataxias include pes cavus without paresis, hyposmia, hearing loss, and anxiety disorder. Dementia and extrapyramidal signs are not common features of SCA38. Brain imaging typically demonstrates cerebellar atrophy mainly affecting the vermis without atrophy of the cerebral cortex and a normal appearance of the brain stem. With disease progression, nerve conduction velocities and electromyography demonstrate a sensory and motor axonal polyneuropathy in all four extremities. Life span is apparently not decreased.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1379865">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1617600"><div><strong>Combined oxidative phosphorylation deficiency 32</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1617600</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540029</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-32 is an autosomal recessive neurodegenerative disorder characterized by onset of delayed psychomotor development and developmental regression in infancy. Affected individuals have multiple variable symptoms, including poor or absent speech, inability to walk, and abnormal movements. Brain imaging shows T2-weighted abnormalities in the basal ganglia and brainstem consistent with Leigh syndrome (256000). Patient cells showed decreased activities of mitochondrial respiratory chain complexes, I, III, and IV, as well as impaired mitochondrial translation (summary by Lake et al., 2017). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1617600">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1620960"><div><strong>Mitochondrial myopathy-cerebellar ataxia-pigmentary retinopathy syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1620960</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540096</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial myopathy and ataxia (MMYAT) is an autosomal recessive mtDNA depletion disorder characterized by cerebellar ataxia, congenital muscle involvement with histologic findings ranging from myopathic to dystrophic, and pigmentary retinopathy (summary by Donkervoort et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1620960">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1619876"><div><strong>Neurodevelopmental disorder, mitochondrial, with abnormal movements and lactic acidosis, with or without seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1619876</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540192</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The current (but limited) understanding of the WARS2 deficiency phenotypic spectrum, based on 29 individuals from 24 families reported to date, can be viewed as a clustering of hallmark features within the broad phenotypes of epilepsy and movement disorder. The epilepsy spectrum encompasses neonatal- or infantile-onset developmental and epileptic encephalopathy (DEE) and other less well described seizure types. DEE manifests mostly in the neonatal period or within the first year of life. Seizures are generally difficult to control and may lead to status epilepticus and death. Over time the following become evident: global developmental delay, mild-to-severe intellectual disability, speech impairment (slurred and slow speech, dysarthria or no speech production but preserved receptive speech), weakness and muscle atrophy, motor hyperactivity with athetosis, and neuropsychiatric manifestations including aggressiveness and sleep disorders. The movement disorder spectrum encompasses the overlapping phenotypes of levodopa-responsive parkinsonism/dystonia and progressive myoclonus-ataxia/hyperkinetic movement disorder and is primarily associated with childhood or early adulthood onset. Of note, the continua within and between the epilepsy spectrum and the movement disorder spectrum remain to be determined pending reporting of more individuals with WARS2 deficiency.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1619876">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1616061"><div><strong>Immunodeficiency, developmental delay, and hypohomocysteinemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1616061</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540293</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">IMDDHH is a multisystem disorder characterized by immunodeficiency, mildly delayed psychomotor development, poor overall growth from infancy, and hypohomocysteinemia. Additional features, such as congenital heart defects and liver involvement, are more variable (summary by Huppke et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1616061">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1615160"><div><strong>Glycosylphosphatidylinositol biosynthesis defect 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1615160</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540520</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">GPIBD15 is an autosomal recessive disorder characterized by delayed psychomotor development, variable intellectual disability, hypotonia, early-onset seizures in most patients, and cerebellar atrophy, resulting in cerebellar signs including gait ataxia and dysarthria. The disorder is caused by a defect in glycosylphosphatidylinositol (GPI) biosynthesis (summary by Nguyen et al., 2017). For a discussion of genetic heterogeneity of GPI biosynthesis defects, see GPIBD1 (610293).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1615160">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1637664"><div><strong>Idiopathic basal ganglia calcification 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1637664</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551624</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Primary familial brain calcification (PFBC) is a neurodegenerative disorder with characteristic calcium deposits in the basal ganglia and other brain areas visualized on neuroimaging. Most affected individuals are in good health during childhood and young adulthood and typically present in the fourth to fifth decade with a gradually progressive movement disorder and neuropsychiatric symptoms. The movement disorder first manifests as clumsiness, fatigability, unsteady gait, slow or slurred speech, dysphagia, involuntary movements, or muscle cramping. Neuropsychiatric symptoms, often the first or most prominent manifestations, range from mild difficulty with concentration and memory to changes in personality and/or behavior, to psychosis and dementia. Seizures of various types occur frequently, some individuals experience chronic headache and vertigo; urinary urgency or incontinence may be present.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1637664">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1641635"><div><strong>Wolfram syndrome 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1641635</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551693</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">WFS1 spectrum disorder (WFS1-SD) comprises classic WFS1 spectrum disorder and nonclassic WFS1 spectrum disorder. Classic WFS1-SD, a progressive neurodegenerative disorder, is characterized by onset of diabetes mellitus and optic atrophy before age 16 years. Additional complications may include one or more of the following: variable hearing impairment / deafness, diabetes insipidus, neurologic abnormalities, neurogenic bladder, and psychiatric abnormalities. Nonclassic WFS1-SD is less common than classic WFS1-SD. Phenotypes that appear to be milder than classic WFS1-SD include: optic atrophy and hearing impairment; neonatal diabetes, profound congenital deafness, and cataracts; isolated diabetes mellitus; isolated congenital cataracts; and isolated congenital, slowly progressive, and low-frequency (<2000 Hz) sensorineural hearing loss.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1641635">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1640811"><div><strong>Supranuclear palsy, progressive, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1640811</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551863</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The spectrum of clinical manifestations of MAPT-related frontotemporal dementia (MAPT-FTD) has expanded from its original description of frontotemporal dementia and parkinsonian manifestations to include changes in behavior, motor function, memory, and/or language. A recent retrospective study suggested that the majority of affected individuals have either behavioral changes consistent with a diagnosis of behavioral variant FTD (bvFTD) or, less commonly, a parkinsonian syndrome (i.e., progressive supranuclear palsy, corticobasal syndrome, or Parkinson disease). Fewer than 5% of people with MAPT-FTD have primary progressive aphasia or Alzheimer disease. Clinical presentation may differ between and within families with the same MAPT variant. MAPT-FTD is a progressive disorder that commonly ends with a relatively global dementia in which some affected individuals become mute. Progression of motor impairment in affected individuals results in some becoming chairbound and others bedbound. Mean disease duration is 9.3 (SD: 6.4) years but is individually variable and can be more than 30 years in some instances.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1640811">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1636142"><div><strong>Cerebroretinal microangiopathy with calcifications and cysts 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1636142</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4552029</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Dyskeratosis congenita and related telomere biology disorders (DC/TBD) are caused by impaired telomere maintenance resulting in short or very short telomeres. The phenotypic spectrum of telomere biology disorders is broad and includes individuals with classic dyskeratosis congenita (DC) as well as those with very short telomeres and an isolated physical finding. Classic DC is characterized by a triad of dysplastic nails, lacy reticular pigmentation of the upper chest and/or neck, and oral leukoplakia, although this may not be present in all individuals. People with DC/TBD are at increased risk for progressive bone marrow failure (BMF), myelodysplastic syndrome or acute myelogenous leukemia, solid tumors (usually squamous cell carcinoma of the head/neck or anogenital cancer), and pulmonary fibrosis. Other findings can include eye abnormalities (epiphora, blepharitis, sparse eyelashes, ectropion, entropion, trichiasis), taurodontism, liver disease, gastrointestinal telangiectasias, and avascular necrosis of the hips or shoulders. Although most persons with DC/TBD have normal psychomotor development and normal neurologic function, significant developmental delay is present in both forms; additional findings include cerebellar hypoplasia (Hoyeraal Hreidarsson syndrome) and bilateral exudative retinopathy and intracranial calcifications (Revesz syndrome and Coats plus syndrome). Onset and progression of manifestations of DC/TBD vary: at the mild end of the spectrum are those who have only minimal physical findings with normal bone marrow function, and at the severe end are those who have the diagnostic triad and early-onset BMF.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1636142">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1635938"><div><strong>Intellectual disability, autosomal dominant 55, with seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1635938</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693371</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1635938">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1641343"><div><strong>Developmental delay and seizures with or without movement abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1641343</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693376</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">DEDSM is a neurodevelopmental disorder characterized by global developmental delay, variable intellectual disability, and early-onset seizures with a myoclonic component. Most patients have delayed motor development and show abnormal movements, including ataxia, dystonia, and tremor (summary by Hamdan et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1641343">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1647672"><div><strong>Neurodegeneration with brain iron accumulation 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1647672</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693583</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodegeneration with brain iron accumulation-7 (NBIA7) is characterized by iron accumulation in the basal ganglia and manifests as a progressive extrapyramidal syndrome with dystonia, rigidity, and choreoathetosis. Severity and rate of progression are variable (Drecourt et al., 2018). For a general phenotypic description and a discussion of genetic heterogeneity of NBIA, see NBIA1 (234200).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1647672">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1645224"><div><strong>Neurodegeneration with brain iron accumulation 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1645224</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693587</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodegeneration with brain iron accumulation-8 (NBIA8) is characterized by iron accumulation in the basal ganglia and manifests as a progressive extrapyramidal syndrome with dystonia, rigidity, and choreoathetosis (Drecourt et al., 2018). For a general phenotypic description and a discussion of genetic heterogeneity of NBIA, see NBIA1 (234200).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1645224">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1647359"><div><strong>Jaberi-Elahi syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1647359</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693848</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Jaberi-Elahi syndrome (JABELS) is an autosomal recessive neurodevelopmental disorder characterized by developmental delay and impaired intellectual development with additional variable features. Patients have onset of symptoms in infancy, but the severity is highly variable. Some patients have social interaction and learn to walk but have an ataxic gait and abnormal movements, such as tremor or dystonia, whereas others do not achieve any motor control and are unable to speak. Additional features may include retinal anomalies, visual impairment, microcephaly, abnormal foot or hand posturing, and kyphoscoliosis; some patients have dysmorphic facial features or seizures. Brain imaging typically shows cerebellar atrophy and hypoplasia of the corpus callosum (summary by et al., 2016 and Bertoli-Avella et al., 2018). Neurodevelopmental disorder with characteristic facial and ectodermal features and tetraparesis-1 (NEDFET1; 620888) is a similar disorder caused by mutation in the GTPBP1 gene (602245) on chromosome 22q13.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1647359">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1646555"><div><strong>Combined oxidative phosphorylation defect type 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1646555</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4706313</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare mitochondrial disease due to a defect in mitochondrial protein synthesis with onset in infancy or early childhood of muscular hypotonia, gait ataxia, mild bilateral pyramidal tract signs, developmental delay (affecting mostly speech and coordination) and subsequent intellectual disability. Short stature, obesity, microcephaly, strabismus, nystagmus, reduced visual acuity, lactic acidosis, and a brain neuropathology consistent with Leigh syndrome are also reported. Caused by homozygous or compound heterozygous mutation in the MTFMT gene on chromosome 15q22.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1646555">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1639554"><div><strong>Leukoencephalopathy, ataxia, hypodontia, hypomyelination syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1639554</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4706676</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">POLR3-related leukodystrophy, a hypomyelinating leukodystrophy with specific features on brain MRI, is characterized by varying combinations of four major clinical findings: Neurologic dysfunction, typically predominated by motor dysfunction (progressive cerebellar dysfunction, and to a lesser extent extrapyramidal [i.e., dystonia], pyramidal [i.e., spasticity] and cognitive dysfunctions). Abnormal dentition (delayed dentition, hypodontia, oligodontia, and abnormally placed or shaped teeth). Endocrine abnormalities such as short stature (in ~50% of individuals) with or without growth hormone deficiency, and more commonly, hypogonadotropic hypogonadism manifesting as delayed, arrested, or absent puberty. Ocular abnormality in the form of myopia, typically progressing over several years and becoming severe. POLR3-related leukodystrophy and 4H leukodystrophy are the two recognized terms for five previously described overlapping clinical phenotypes (initially described as distinct entities before their molecular basis was known). These include: Hypomyelination, hypodontia, hypogonadotropic hypogonadism (4H syndrome); Ataxia, delayed dentition, and hypomyelination (ADDH); Tremor-ataxia with central hypomyelination (TACH); Leukodystrophy with oligodontia (LO); Hypomyelination with cerebellar atrophy and hypoplasia of the corpus callosum (HCAHC). Age of onset is typically in early childhood but later-onset cases have also been reported. An infant with Wiedemann-Rautenstrauch syndrome (neonatal progeroid syndrome) was recently reported to have pathogenic variants in POLR3A on exome sequencing. Confirmation of this as a very severe form of POLR3-related leukodystrophy awaits replication in other individuals with a clinical diagnosis of Wiedemann-Rautenstrauch syndrome.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1639554">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648317"><div><strong>Charcot-Marie-Tooth disease type 2A2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648317</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4721887</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MFN2 hereditary motor and sensory neuropathy (MFN2-HMSN) is a classic axonal peripheral sensorimotor neuropathy, inherited in either an autosomal dominant (AD) manner (~90%) or an autosomal recessive (AR) manner (~10%). MFN2-HMSN is characterized by more severe involvement of the lower extremities than the upper extremities, distal upper-extremity involvement as the neuropathy progresses, more prominent motor deficits than sensory deficits, and normal (>42 m/s) or only slightly decreased nerve conduction velocities (NCVs). Postural tremor is common. Median onset is age 12 years in the AD form and age eight years in the AR form. The prevalence of optic atrophy is approximately 7% in the AD form and approximately 20% in the AR form.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648317">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648373"><div><strong>Neurodevelopmental disorder with cerebellar atrophy and with or without seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648373</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748032</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with cerebellar atrophy and with or without seizures (NEDCAS) is an autosomal recessive disorder characterized by intellectual disability associated with ataxia (summary by Engel et al., 2023).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648373">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648354"><div><strong>Intellectual developmental disorder with or without epilepsy or cerebellar ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648354</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748041</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648354">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648487"><div><strong>Neurodevelopmental disorder with epilepsy and hypoplasia of the corpus callosum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648487</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748137</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648487">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648409"><div><strong>Spinocerebellar ataxia 48</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648409</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748158</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-48 (SCA48) is an autosomal dominant neurodegenerative disorder characterized by onset of gait ataxia and/or cognitive-affective symptoms in midadulthood. Patients may present with involvement of either system, but most eventually develop impairment in both. Features include gait ataxia, dysarthria, and dysphagia, as well as cognitive decline, deficits in executive function, and psychiatric or affective manifestations, such as depression, anxiety, and apathy. Additional more variable features may include movement abnormalities, such as parkinsonism, tremor, chorea, dystonia, and dysmetria; spasticity is not observed. Brain imaging shows selective atrophy of the posterior areas of the cerebellar vermis, often with bilateral T2-weighted hyperintensities in the dentate nuclei (the 'crab sign'), and diffusion tensor imaging (DTI) may show paucity of cerebellar connections to the brainstem and cerebrum. The presentation is consistent with a clinical diagnosis of cerebellar cognitive-affective syndrome (CCAS). The phenotype shows both inter- and intrafamilial variability as well as some clinical overlap with SCAR16, suggesting that mutations in the STUB1 gene result in a spectrum of neurodegenerative manifestations (summary by Genis et al., 2018; Cocozza et al., 2020; Palvadeau et al., 2020; Ravel et al., 2021). Magri et al. (2022) found evidence that heterozygous STUB1 variants alone do not cause disease but require a concurrent expanded repeat allele of the TBP gene (600075) for disease manifestation; see MOLECULAR GENETICS.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648409">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1674542"><div><strong>Autosomal recessive spinocerebellar ataxia 16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1674542</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5190574</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-16 (SCAR16) is a progressive neurologic disorder characterized by truncal and limb ataxia, resulting in gait instability, associated with cerebellar atrophy on brain imaging. Most patients have onset in the teenage years, although earlier and later onset have been reported. Additional features may include dysarthria, nystagmus, hyperreflexia of the lower limbs, and mild peripheral sensory neuropathy. Some patients have gonadal dysfunction or hypogonadism and/or cognitive deficits. The phenotype represents a spectrum or continuum of neurodegenerative features that may overlap with those of SCA48 (summary by Shi et al., 2013 and Ravel et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1674542">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1681379"><div><strong>Progressive myoclonic epilepsy type 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1681379</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5190805</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Progressive myoclonic epilepsy-6 (EPM6) is an autosomal recessive neurologic disorder characterized by onset of ataxia in the first years of life, followed by action myoclonus and seizures later in childhood, and loss of independent ambulation in the second decade. Cognition is not usually affected, although mild memory difficulties may occur in the third decade (summary by Corbett et al., 2011). For a discussion of genetic heterogeneity of progressive myoclonic epilepsy, see EPM1A (254800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1681379">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1677186"><div><strong>ABri amyloidosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1677186</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5190835</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">ITM2B-related cerebral amyloid angiopathy-1, also known as familial British dementia (FBD), is an autosomal dominant neurodegenerative disorder characterized by progressive dementia, spasticity, and cerebellar ataxia, with onset at around the fifth decade of life. Cerebral amyloid angiopathy, nonneuritic and perivascular plaques, and neurofibrillary tangles are the predominant pathological lesions (summary by Vidal et al., 1999).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1677186">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1675423"><div><strong>Intellectual developmental disorder with abnormal behavior, microcephaly, and short stature</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1675423</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193039</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1675423">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1673607"><div><strong>Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1673607</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193070</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia with axonal neuropathy-3 (SCAN3) is an autosomal recessive neuromuscular disorder characterized by onset in the first decade of slowly progressive distal muscle weakness and atrophy and distal sensory impairment due to an axonal peripheral neuropathy. Affected individuals have gait disturbances and sometimes manual dexterity difficulties, as well as cerebellar ataxia associated with cerebellar atrophy on brain imaging. Additional features usually include dysarthria, hyporeflexia, and increased serum creatine kinase. Some patients may have impaired intellectual development (summary by Higuchi et al., 2018). For a discussion of genetic heterogeneity of SCAN, see SCAN1 (607250).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1673607">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1681181"><div><strong>Neurodevelopmental disorder with impaired speech and hyperkinetic movements</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1681181</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193088</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with impaired speech and hyperkinetic movements (NEDISHM) is an autosomal recessive disorder characterized by global developmental delay apparent in infancy. Most patients have mildly delayed walking, speech and language delay, and a hyperkinetic movement disorder with dystonia, tremor, ataxia, or chorea. Some may develop seizures that tend to abate (summary by Khan et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1681181">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1682428"><div><strong>Ichthyotic keratoderma, spasticity, hypomyelination, and dysmorphic facial features</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1682428</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193147</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Ichthyotic keratoderma, spasticity, hypomyelination, and dysmorphic features (IKSHD) is characterized by epidermal hyperproliferation and increased keratinization, resulting in ichthyosis; hypomyelination of central white matter, causing spastic paraplegia and central nystagmus; and optic atrophy, resulting in reduction of peripheral vision and visual acuity (Mueller et al., 2019). In addition, patients exhibit mild facial dysmorphism (Kutkowska-Kazmierczak et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1682428">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684682"><div><strong>Oculopharyngodistal myopathy 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684682</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231388</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oculopharyngodistal myopathy-1 (OPDM1) is an autosomal dominant disorder characterized by adult-onset ptosis, external ophthalmoplegia, facial muscle weakness, distal limb muscle weakness and atrophy, and pharyngeal involvement, resulting in dysphagia and dysarthria. Skeletal muscle biopsy shows myopathic changes with rimmed vacuoles. There are variable manifestations of the disorder regarding muscle involvement and severity (summary by Ishiura et al., 2019). Genetic Heterogeneity of Oculopharyngodistal Myopathy See also OPDM2 (618940), caused by trinucleotide repeat expansion in the GIPC1 gene (605072) on chromosome 19p13; OPDM3 (619473), caused by trinucleotide repeat expansion in the NOTCH2NLC gene (618025) on chromosome 1q21; and OPDM4 (619790), caused by trinucleotide repeat expansion in the RILPL1 gene (614092) on chromosome 12q24. Oculopharyngeal muscular dystrophy (OPMD; 164300) is a similar disorder with overlapping features. It is caused by a similar heterozygous trinucleotide repeat expansion in the PABPN1 gene (602279) (summary by Durmus et al., 2011).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684682">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1695950"><div><strong>Congenital cerebellar hypoplasia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1695950</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231391</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cerebellar hypoplasia/atrophy, epilepsy, and global developmental delay is an autosomal recessive neurodevelopmental disorder characterized by infantile onset of hypotonia and developmental delay with subsequent impaired intellectual development and severe speech delay. In childhood, affected individuals show delayed walking and develop epilepsy that is usually controlled by medication. Brain imaging shows cerebellar hypoplasia/atrophy (summary by Wang et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1695950">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684701"><div><strong>Oculopharyngeal myopathy with leukoencephalopathy 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684701</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231436</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oculopharyngeal myopathy with leukoencephalopathy-1 (OPML1) is an autosomal dominant disorder with features of ptosis, restricted eye movements, dysphagia, dysarthria, and diffuse limb muscle weakness with nonspecific myopathic changes in muscle biopsy specimens (Ishiura et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684701">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684663"><div><strong>Neurodevelopmental disorder with behavioral abnormalities, absent speech, and hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684663</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231471</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with behavioral abnormalities, absent speech, and hypotonia (NEDBASH) is an autosomal recessive disorder characterized by severely impaired intellectual and motor development, axial and peripheral hypotonia usually with inability to walk, and significant behavioral abnormalities consistent with autism spectrum disorder and reminiscent of Rett syndrome (RTT; 312750), such as poor communication, stereotypic or repetitive behaviors, hand-wringing, bruxism, and sleep disturbances. Other features include poor overall growth, and joint hypermobility. Rare features include seizures, dystonia, spasticity, and nonspecific brain abnormalities (summary by Abu-Libdeh et al., 2019 and Dias et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684663">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684702"><div><strong>Intellectual developmental disorder 60 with seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684702</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231497</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant intellectual developmental disorder-60 with seizures is characterized by global developmental delay apparent in infancy, followed by onset of seizures in the first years of life. Patients have delayed walking, an ataxic gait, and moderately to severely impaired intellectual development with poor speech (summary by Helbig et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684702">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1719567"><div><strong>Leukoencephalopathy, developmental delay, and episodic neurologic regression syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1719567</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5394367</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leukoencephalopathy, developmental delay, and episodic neurologic regression syndrome (LEUDEN) is characterized by global developmental delay apparent in early childhood, followed by episodic neurologic regression or decompensation associated with systemic stress, such as febrile infection. Affected individuals have hypotonia, gait difficulties or ataxia, poor or absent speech with dysarthria, and variable motor abnormalities, including spasticity, dystonia, extrapyramidal signs, and tremor. Many patients have seizures. Brain imaging shows diffuse white matter abnormalities, poor myelination, thin corpus callosum, and generalized cerebral atrophy with enlarged ventricles. The clinical features of the disorder and the abnormal brain imaging findings are progressive (summary by Mao et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1719567">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1748867"><div><strong>Cardioencephalomyopathy, fatal infantile, due to cytochrome c oxidase deficiency 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1748867</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5399977</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial complex IV deficiency nuclear type 2 (MC4DN2) is an autosomal recessive multisystem metabolic disorder characterized by the onset of symptoms at birth or in the first weeks or months of life. Affected individuals have severe hypotonia, often associated with feeding difficulties and respiratory insufficiency necessitating tube feeding and mechanical ventilation. The vast majority of patients develop hypertrophic cardiomyopathy in the first days or weeks of life, which usually leads to death in infancy or early childhood. Patients also show neurologic abnormalities, including developmental delay, nystagmus, fasciculations, dystonia, EEG changes, and brain imaging abnormalities compatible with a diagnosis of Leigh syndrome (see 256000). There may also be evidence of systemic involvement with hepatomegaly and myopathy, although neurogenic muscle atrophy is more common and may resemble spinal muscular atrophy type I (SMA1; 253300). Serum lactate is increased, and laboratory studies show decreased mitochondrial complex IV protein and activity levels in various tissues, including heart and skeletal muscle. Most patients die in infancy of cardiorespiratory failure (summary by Papadopoulou et al., 1999). For a discussion of genetic heterogeneity of mitochondrial complex IV (cytochrome c oxidase) deficiency, see 220110.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1748867">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1731010"><div><strong>Combined oxidative phosphorylation deficiency 45</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1731010</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436461</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-45 (COXPD45) is an autosomal recessive multisystem disorder characterized by poor overall growth apparent from infancy, global developmental delay, seizures, and acute progressive neurologic deterioration with loss of skills. Other features may include dysmorphic facies and lesions on brain imaging. Laboratory studies show increased serum lactate and COXPD in patient tissues, consistent with a mitochondrial defect (summary by Serre et al., 2013). For discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1731010">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1740444"><div><strong>Coenzyme q10 deficiency, primary, 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1740444</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436638</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Coenzyme Q10 deficiency-9 (COQ10D9) is an autosomal recessive disorder characterized by onset of cerebellar ataxia associated with cerebellar atrophy in the first decade of life. Some patients may have additional neurologic signs and symptoms, including intellectual disability and seizures. Treatment with CoQ10 may offer clinical benefit (summary by Malicdan et al., 2018). For a general phenotypic description and a discussion of genetic heterogeneity of primary coenzyme Q10 deficiency, see COQ10D1 (607426).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1740444">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1764121"><div><strong>Neurodevelopmental disorder with microcephaly, impaired language, epilepsy, and gait abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1764121</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436788</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">NARS1-related neurologic disorders encompass NARS1-related neurodevelopmental disorder (NARS1-NDD), a neonatal- or childhood-onset phenotype with central nervous system and peripheral nervous system involvement, and NARS1-related hereditary neuropathy, an adolescent- or early adult-onset hereditary neuropathy. NARS1-NDD manifests with global developmental delay, intellectual disability, microcephaly, ataxia, seizures, and, rarely, neurobehavioral/psychiatric manifestations. Change in muscle tone can manifest either as spasticity or as hypotonia. Peripheral neuropathy with atrophy predominantly of the distal lower limbs can be associated. NARS1-related hereditary neuropathy manifests with mostly motor and sensory impairment involving weakness of predominantly the distal lower limbs and foot deformities, without prominent muscle atrophy. A few individuals have been described with isolated hereditary motor neuropathy associated with foot deformities, ankle contractures, kyphosis, hyperlaxity, and brisk reflexes. To date, 54 individuals from 30 families with NARS1 pathogenic variant(s) have been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1764121">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1754849"><div><strong>Intellectual developmental disorder with speech delay and axonal peripheral neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1754849</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436813</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Intellectual developmental disorder with speech delay and axonal peripheral neuropathy (IDDSAPN) is an autosomal recessive neurologic disorder characterized by mild global developmental delay with motor impairment and severe speech delay apparent in the first years of life. Affected individuals begin to walk independently between 3 and 4 years of age, but often have an unsteady or ataxic gait. Most patients have progressive distal muscle weakness and atrophy of the lower limbs, foot or hand deformities, and dysarthria, consistent with a peripheral neuropathy. There is mildly impaired intellectual development. Some patients may have behavioral anomalies, such as autistic features or attention deficit-hyperactivity disorder (ADHD), and some can attend special schools. The overall clinical features indicate involvement of both the central and peripheral nervous systems (summary by Martin et al., 2020 and Ahmed et al., 2021)</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1754849">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1781649"><div><strong>Kohlschutter-Tonz syndrome-like</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1781649</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543202</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Den Hoed-de Boer-Voisin syndrome (DHDBV) is characterized by global developmental delay with moderately to severely impaired intellectual development, poor or absent speech, and delayed motor skills. Although the severity of the disorder varies, many patients are nonverbal and have hypotonia with inability to sit or walk. Early-onset epilepsy is common and may be refractory to treatment, leading to epileptic encephalopathy and further interruption of developmental progress. Most patients have feeding difficulties with poor overall growth and dysmorphic facial features, as well as significant dental anomalies resembling amelogenesis imperfecta. The phenotype is reminiscent of Kohlschutter-Tonz syndrome (KTZS; 226750). More variable features of DHDBV include visual defects, behavioral abnormalities, and nonspecific involvement of other organ systems (summary by den Hoed et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1781649">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1778557"><div><strong>Radio-Tartaglia syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1778557</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543339</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Radio-Tartaglia syndrome (RATARS) is a neurodevelopmental disorder characterized by global developmental delay with impaired intellectual development, speech delay, and variable behavioral abnormalities. Affected individuals show hypotonia, mild motor difficulties, and craniofacial dysmorphism. Brain imaging may show nonspecific defects; rare patients have seizures or pyramidal signs. A subset of individuals may have congenital heart defects, precocious puberty, and obesity in females. Some of the features are similar to those observed in patients with chromosome 1p36 deletion syndrome (607872) (summary by Radio et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1778557">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1778853"><div><strong>Spinocerebellar ataxia, autosomal recessive 30</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1778853</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543620</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-30 (SCAR30) is a progressive neurologic disorder characterized by childhood-onset global developmental delay with variably impaired intellectual development, motor dysfunction, and cerebellar ataxia. Affected individuals may also have psychiatric abnormalities, such as obsessive behavior, psychotic episodes, or hallucinations. Brain imaging usually shows cerebellar atrophy, although this may be an age-dependent feature (summary by Langer et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1778853">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1786855"><div><strong>Spinocerebellar ataxia, autosomal recessive 31</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1786855</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543627</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-31 (SCAR31) is a complex neurodevelopmental disorder characterized by global developmental delay with hypotonia and variably impaired intellectual and language development. Affected individuals have an ataxic gait, tremor, and dysarthria; more severely affected patients also have spasticity with inability to walk. Most have optic atrophy. Brain imaging shows cerebellar hypoplasia, enlarged ventricles, and atrophy of the posterior corpus callosum. Additional features may include retinitis pigmentosa, sensorineural deafness, dysmorphic facial features, and possibly endocrine dysfunction (summary by Collier et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1786855">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794147"><div><strong>Myopathy, myofibrillar, 12, infantile-onset, with cardiomyopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794147</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561937</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Infantile-onset myofibrillar myopathy-12 with cardiomyopathy (MFM12) is a severe autosomal recessive disorder affecting both skeletal and cardiac muscle tissue that is apparent in the first weeks of life. Affected infants show tremor or clonus at birth, followed by onset of rapidly progressive generalized muscle weakness and dilated cardiomyopathy and cardiac failure, usually resulting in death by 6 months of age. Skeletal and cardiac muscle tissues show hypotrophy of type I muscle fibers and evidence of myofibrillar disorganization (summary by Weterman et al., 2013). For a discussion of genetic heterogeneity of myofibrillar myopathy, see MFM1 (601419).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794147">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794164"><div><strong>Neurodevelopmental disorder with motor and speech delay and behavioral abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794164</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561954</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with motor and speech delay and behavioral abnormalities (NEDMOSBA) is an autosomal recessive disorder characterized by global developmental delay apparent from early childhood. There is significant phenotypic variability: some patients achieve walking and talking after a few years, whereas others develop spastic tetraplegia with inability to walk independently and never gain proper speech. Affected individuals may have variable additional features, including poor overall growth, hypotonia, tremor, ocular anomalies, seizures, and nonspecific dysmorphic facial features (summary by Polla et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794164">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794166"><div><strong>Oculopharyngodistal myopathy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794166</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561956</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oculopharyngodistal myopathy-3 (OPDM3) is a neuromyodegenerative disease characterized by progressive muscle weakness with ocular, facial, pharyngeal, and distal limb involvement, resulting in dysarthria and gait difficulties. The onset of the disorder is usually in adulthood, although childhood onset has rarely been reported. Additional features include hyporeflexia, proximal muscle weakness, neck muscle weakness, dysarthria, dysphagia, and ptosis. Some patients may develop pigmentary retinopathy, peripheral neuropathy, or hearing loss. Cognition is usually not affected, but there may be deficits or psychiatric manifestations. Brain imaging tends to show a leukoencephalopathy, often with a characteristic linear signal along the corticomedullary junction on brain imaging. Skin and muscle biopsy show intranuclear inclusions and rimmed vacuoles. Many of the clinical features are reminiscent of NIID, suggesting that these disorders likely fall within a broad phenotypic spectrum of diseases with neuromyodegenerative features associated with abnormal repeat expansions in this gene (summary by Ogasawara et al., 2020 and Yu et al., 2021). For a discussion of genetic heterogeneity of OPDM, see OPDM1 (164310).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794166">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794207"><div><strong>Intellectual developmental disorder with hypotonia, impaired speech, and dysmorphic facies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794207</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561997</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Intellectual developmental disorder with hypotonia, impaired speech, and dysmorphic facies (IDDHISD) is characterized by global developmental delay with impaired intellectual development and poor or absent speech, hypotonia, ophthalmologic abnormalities, and nonspecific dysmorphic features. Some affected individuals have seizures, and a few have involvement of other organ systems (Goodman et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794207">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794209"><div><strong>Developmental and epileptic encephalopathy 97</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794209</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561999</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-97 (DEE97) is characterized by developmental delay, epileptic encephalopathy, and impaired intellectual development. Other clinical features may include autistic features and hypotonia. For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794209">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794213"><div><strong>Charcot-Marie-Tooth disease, axonal, Type 2HH</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794213</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562003</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Axonal Charcot-Marie-Tooth disease type 2HH (CMT2HH) is an autosomal dominant peripheral neuropathy characterized predominantly by onset of vocal cord weakness resulting in stridor in infancy or early childhood. The vocal cord paresis remains throughout life and may be severe enough to require tracheostomy. Additional features of the disorder usually include pes cavus and scoliosis. Some patients have mild distal muscle weakness and atrophy primarily affecting the lower limbs, although the upper limbs may also be involved, and distal sensory impairment, often with hyporeflexia (Sullivan et al., 2020). For a discussion of genetic heterogeneity of axonal CMT, see CMT2A1 (118210).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794213">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794246"><div><strong>Dyskinesia with orofacial involvement, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794246</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562036</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive dyskinesia with orofacial involvement (DSKOR) is characterized by the onset of abnormal involuntary movements, mainly affecting the limbs and causing walking difficulties, in the first decade. The severity is variable; some patients have orofacial dyskinesia resulting in speech difficulties, or develop neuropsychiatric features, including anxiety and social withdrawal. Cardiomyopathy has rarely been described and may be a manifestation of the disorder (summary by Bohlega et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794246">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794248"><div><strong>Neurodevelopmental disorder with hyperkinetic movements and dyskinesia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794248</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562038</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with hyperkinetic movements and dyskinesia (NEDHYD) is an autosomal recessive complex neurologic disorder characterized by severe global developmental delay with axial hypotonia, impaired intellectual development, poor overall growth, and abnormal involuntary hyperkinetic movements, including dystonia, myoclonus, spasticity, and orofacial dyskinesia. It is the most severe manifestation of ADCY5-related dyskinetic disorders (summary by Okamoto et al., 2021 and Kaiyrzhanov et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794248">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794260"><div><strong>Marbach-Schaaf neurodevelopmental syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794260</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562050</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Marbach-Schaaf neurodevelopmental syndrom (MASNS) is characterized by global developmental delay with speech delay and behavioral abnormalities, including autism spectrum disorder and ADHD. Affected individuals also show movement disorders, such as dyspraxia and apraxia. More variable features include high pain tolerance, sleep disturbances, and variable nonspecific dysmorphic features (summary by Marbach et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794260">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1798887"><div><strong>Infantile-onset generalized dyskinesia with orofacial involvement</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1798887</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5567464</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Infantile-onset limb and orofacial dyskinesia is an autosomal recessive neurologic disorder characterized by delayed motor development and onset of a hyperkinetic movement disorder in the first year of life. The disorder results in impaired walking and orofacial dyskinesia with difficulty talking; the severity is variable (summary by Diggle et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1798887">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1799164"><div><strong>Combined oxidative phosphorylation defect type 26</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1799164</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5567741</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Peripheral neuropathy with variable spasticity, exercise intolerance, and developmental delay (PNSED) is an autosomal recessive multisystemic disorder with highly variable manifestations, even within the same family. Some patients present in infancy with hypotonia and global developmental delay with poor or absent motor skill acquisition and poor growth, whereas others present as young adults with exercise intolerance and muscle weakness. All patients have signs of a peripheral neuropathy, usually demyelinating, with distal muscle weakness and atrophy and distal sensory impairment; many become wheelchair-bound. Additional features include spasticity, extensor plantar responses, contractures, cerebellar signs, seizures, short stature, and rare involvement of other organ systems, including the heart, pancreas, and kidney. Biochemical analysis may show deficiencies in mitochondrial respiratory complex enzyme activities in patient tissue, although this is not always apparent. Lactate is frequently increased, suggesting mitochondrial dysfunction (Powell et al., 2015; Argente-Escrig et al., 2022). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1799164">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1800403"><div><strong>Autosomal recessive complex spastic paraplegia type 9B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1800403</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5568980</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive SPG9B is a neurologic disorder characterized by early-onset complex spastic paraplegia. Affected individuals had delayed psychomotor development, intellectual disability, and severe motor impairment. More variable features include dysmorphic facial features, tremor, and urinary incontinence (summary by Coutelier et al., 2015). For a discussion of genetic heterogeneity of autosomal recessive SPG, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1800403">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1800507"><div><strong>Acute infantile liver failure-cerebellar ataxia-peripheral sensory motor neuropathy syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1800507</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5569084</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-21 (SCAR21) is a neurologic disorder characterized by onset of cerebellar ataxia associated with cerebellar atrophy in early childhood. Affected individuals also have recurrent episodes of liver failure in the first decade, resulting in chronic liver fibrosis, as well as later onset of a peripheral neuropathy. Mild learning disabilities may also occur (summary by Schmidt et al., 2015). The phenotype is highly variable: all patients appear to have episodic and severe liver dysfunction in early childhood that tends to resolve with age. Affected individuals also show mild developmental or language delay and/or later onset of variable neurologic features, such as motor dysfunction (summary by Lenz et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1800507">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1810214"><div><strong>3-methylglutaconic aciduria, type VIIB</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1810214</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676893</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">CLPB (caseinolytic peptidase B) deficiency is characterized by neurologic involvement and neutropenia, which can range from severe to mild. In severe CLPB deficiency, death usually occurs at a few months of age due to significant neonatal neurologic involvement (hyperekplexia or absence of voluntary movements, hypotonia or hypertonia, swallowing problems, respiratory insufficiency, and epilepsy) and severe neutropenia associated with life-threatening infections. Individuals with moderate CLPB deficiency present with neurologic abnormalities in infancy including hypotonia and feeding problems, and develop spasticity, a progressive movement disorder (ataxia, dystonia, and/or dyskinesia), epilepsy, and intellectual disability. Neutropenia is variable, but not life threatening. In those with mild CLPB deficiency there is no neurologic involvement, intellect is normal, neutropenia is mild and intermittent, and life expectancy is normal.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1810214">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1812715"><div><strong>Combined oxidative phosphorylation deficiency 54</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1812715</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676912</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-54 (COXPD54) is an autosomal recessive disorder with pleiotropic multisystem presentations resulting from a disruption in mitochondrial transcription and translation. The phenotype is highly variable. Many patients have early-onset sensorineural hearing loss, sometimes in isolation, and sometimes associated with global developmental delay or primary ovarian failure. Other features may include peripheral hypertonia, seizures, muscle weakness, behavioral abnormalities, and leukoencephalopathy on brain imaging. Serum lactate may or may not be elevated (summary by Hochberg et al., 2021). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1812715">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1808365"><div><strong>Parkinsonism-dystonia 3, childhood-onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1808365</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676913</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The current (but limited) understanding of the WARS2 deficiency phenotypic spectrum, based on 29 individuals from 24 families reported to date, can be viewed as a clustering of hallmark features within the broad phenotypes of epilepsy and movement disorder. The epilepsy spectrum encompasses neonatal- or infantile-onset developmental and epileptic encephalopathy (DEE) and other less well described seizure types. DEE manifests mostly in the neonatal period or within the first year of life. Seizures are generally difficult to control and may lead to status epilepticus and death. Over time the following become evident: global developmental delay, mild-to-severe intellectual disability, speech impairment (slurred and slow speech, dysarthria or no speech production but preserved receptive speech), weakness and muscle atrophy, motor hyperactivity with athetosis, and neuropsychiatric manifestations including aggressiveness and sleep disorders. The movement disorder spectrum encompasses the overlapping phenotypes of levodopa-responsive parkinsonism/dystonia and progressive myoclonus-ataxia/hyperkinetic movement disorder and is primarily associated with childhood or early adulthood onset. Of note, the continua within and between the epilepsy spectrum and the movement disorder spectrum remain to be determined pending reporting of more individuals with WARS2 deficiency.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1808365">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1809981"><div><strong>Oculopharyngodistal myopathy 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1809981</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676941</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oculopharyngodistal myopathy-4 (OPDM4) is an autosomal dominant neuromuscular disorder characterized by progressive ptosis, ophthalmoparesis, facial and masseter weakness, and muscle weakness of the distal limbs. Initial symptoms of the disorder, ptosis and limited eye movements, most commonly appear in the second or third decades. There is slow progression with development of dysarthria, dysphagia, and distal limb weakness and atrophy associated with absent deep tendon reflexes; sensation is normal. Serum creatine kinase is often increased, and skeletal muscle biopsy typically shows chronic myopathic changes with rimmed vacuoles and filamentous intranuclear inclusions (summary by Yu et al., 2022). For a discussion of genetic heterogeneity of OPDM, see OPDM1 (164310).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1809981">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1814585"><div><strong>Classic dopamine transporter deficiency syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1814585</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5700336</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SLC6A3-related dopamine transporter deficiency syndrome (DTDS) is a complex movement disorder with a continuum that ranges from classic early-onset DTDS (by age 6 months) to atypical later-onset DTDS (in childhood, adolescence, or adulthood). Classic early-onset DTDS: Infants typically manifest nonspecific findings (irritability, feeding difficulties, axial hypotonia, and/or delayed motor development) followed by a hyperkinetic movement disorder (with features of chorea, dystonia, ballismus, orolingual dyskinesia). Over time, affected individuals develop parkinsonism-dystonia characterized by bradykinesia (progressing to akinesia), dystonic posturing, distal tremor, rigidity, and reduced facial expression. Limitation of voluntary movements leads to severe motor delay. Episodic status dystonicus, exacerbations of dystonia, and secondary orthopedic, gastrointestinal, and respiratory complications are common. Many affected individuals appear to show relative preservation of intellect with good cognitive development. Atypical later-onset DTDS: Normal psychomotor development in infancy and early childhood. Attention-deficit/hyperactivity disorder (ADHD) is reported in childhood followed by later-onset manifestations of parkinsonism-dystonia with tremor, progressive bradykinesia, variable tone, and dystonic posturing. The long-term prognosis of this form of DTDS is currently unknown.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1814585">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1840955"><div><strong>Neurodevelopmental disorder with absent speech and movement and behavioral abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1840955</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830319</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with absent speech and movement and behavioral abnormalities (NEDSMB) is an autosomal recessive disorder characterized by global developmental delay and severely impaired intellectual development with aggressive behavior. Mild dysmorphic features and hypodontia are also present (Faqeih et al., 2023).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1840955">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841069"><div><strong>Neurodegeneration with developmental delay, early respiratory failure, myoclonic seizures, and brain abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841069</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830433</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodegeneration with developmental delay, early respiratory failure, myoclonic seizures, and brain abnormalities (NDDRSB) is a severe autosomal recessive disorder characterized by onset of these features in infancy. Affected individuals present with respiratory failure requiring intubation soon after birth; some die due to cardiorespiratory insufficiency. Those that survive show severe global developmental delay, refractory myoclonic seizures, hyperkinetic movements with exaggerated startle response, and microcephaly with dysmorphic features. Additional findings may include sensorineural hearing loss and ocular defects. Brain imaging shows variable abnormalities consistent with progressive neurodegeneration (Cali et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841069">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1847194"><div><strong>Neurodevelopmental disorder with impaired language, behavioral abnormalities, and dysmorphic facies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1847194</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882686</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with impaired language, behavioral abnormalities, and dysmorphic facies (NEDLBF) is characterized by global developmental delay, speech delay, variably impaired intellectual development, behavioral abnormalities, and dysmorphic facial features. The phenotype and severity of the disorder is heterogeneous, ranging from borderline to severe. Brain imaging is usually normal. More variable additional features include early feeding difficulties, failure to thrive, short stature, mild visual impairment, hypotonia, seizures (particularly febrile), and distal skeletal defects of the hands and feet (Jia et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1847194">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1847831"><div><strong>Neurodegeneration, childhood-onset, with cerebellar ataxia and cognitive decline</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1847831</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882726</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Childhood-onset neurodegeneration with cerebellar ataxia and cognitive decline (CONDCAC) is characterized by the onset of progressive gait and truncal ataxia in early childhood. Affected individuals have muscle weakness and atrophy and sensorimotor axonal neuropathy; some may lose ambulation. Additional features include cognitive decline or learning disabilities. Brain imaging shows cerebellar atrophy (Delle Vedove et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1847831">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1861832"><div><strong>Neurodevelopmental disorder with progressive movement abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1861832</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5935606</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with progressive movement abnormalities (NEDPM) is an autosomal recessive complex neurologic disorder characterized by global developmental delay apparent from infancy, moderately to severely impaired intellectual development, poor or absent speech, behavioral abnormalities, and various hyperkinetic movement disorders, including dystonia, spasticity, and cerebellar ataxia, that interfere with gait and cause a stooped posture. The disorder appears to be progressive with age-related deterioration of cognitive and motor function; parkinsonism may develop in older patients. Additional more variable features include seizures, dysmorphic facial features, oculomotor defects, and brain imaging abnormalities (Kaiyrzhanov et al., 2024).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1861832">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_988270"><div><strong>GTP cyclohydrolase I deficiency with hyperphenylalaninemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>988270</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier assigned by MedGen (starting with CN) for terms that cannot be identified in NLM's Unified Medical Language system (UMLS) Click for more information.">CN305333</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
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<div class="spaceAbove">GTP-cyclohydrolase I deficiency, an autosomal recessive genetic disorder, is one of the causes of malignant hyperphenylalaninemia due to tetrahydrobiopterin deficiency. Not only does tetrahydrobiopterin deficiency cause hyperphenylalaninemia, it is also responsible for defective neurotransmission of monoamines because of malfunctioning tyrosine and tryptophan hydroxylases, both tetrahydrobiopterin-dependent hydroxylases.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/988270">Condition Record</a></div></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934617" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">3-methylglutaconic aciduria type 8</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1810214" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">3-methylglutaconic aciduria, type VIIB</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_209234" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">6-Pyruvoyl-tetrahydrobiopterin synthase deficiency</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_66358" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Abortive cerebellar ataxia</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1677186" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">ABri amyloidosis</a></div><div class="jig-moreless" data-jigconfig="class: 'moveDown', moreText: 'See full list (218)', lessText: 'Show less', nodeBefore: 0"><span id="clinMore">
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1800507" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Acute infantile liver failure-cerebellar ataxia-peripheral sensory motor neuropathy syndrome</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_340120" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Adult-onset proximal spinal muscular atrophy, autosomal dominant</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_162893" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Agenesis of the corpus callosum with peripheral neuropathy</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_761287" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Aicardi-Goutieres syndrome 6</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482058" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Alpha-methylacyl-CoA racemase deficiency</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_414031" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Amyloidosis, hereditary systemic 1</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_395301" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ataxia, early-onset, with oculomotor apraxia and hypoalbuminemia</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_439" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ataxia-telangiectasia syndrome</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934775" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal dominant striatal neurodegeneration type 1</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_436985" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive ataxia due to ubiquinone deficiency</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_335442" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive cerebellar ataxia-saccadic intrusion syndrome</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1800403" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive complex spastic paraplegia type 9B</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_382128" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive DOPA responsive dystonia</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_401500" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive juvenile Parkinson disease 2</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1385598" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive limb-girdle muscular dystrophy type R18</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_414488" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive Parkinson disease 14</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_766730" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 13</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1674542" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_349134" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_929215" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Brain dopamine-serotonin vesicular transport disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1748867" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cardioencephalomyopathy, fatal infantile, due to cytochrome c oxidase deficiency 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_412914" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_442496" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1636142" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebroretinal microangiopathy with calcifications and cysts 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_501212" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease type 1E</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_334337" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease type 1F</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648317" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease type 2A2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_98290" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease X-linked dominant 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794213" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease, axonal, Type 2HH</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_330866" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Childhood onset GLUT1 deficiency syndrome 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_393913" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chromosome 1q21.1 deletion syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_3347" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chédiak-Higashi syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1814585" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Classic dopamine transporter deficiency syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_341256" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cobalamin C disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_155488" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cockayne syndrome type 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_155487" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cockayne syndrome type 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_764868" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Coenzyme Q10 deficiency, primary, 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1740444" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Coenzyme q10 deficiency, primary, 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1646555" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation defect type 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1799164" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation defect type 26</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1617600" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 32</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1731010" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 45</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1812715" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 54</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1695950" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital cerebellar hypoplasia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_324784" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital disorder of glycosylation type 1E</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_387801" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital lactic acidosis, Saguenay-Lac-Saint-Jean type</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816301" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital microcephaly - severe encephalopathy - progressive cerebral atrophy syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_162903" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Deafness dystonia syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_75661" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Deficiency of cytochrome-b5 reductase</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_154356" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Deficiency of guanidinoacetate methyltransferase</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_96605" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Deletion of long arm of chromosome 18</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794209" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy 97</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_909501" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 32</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_436917" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934683" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 42</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934654" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 46</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1641343" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental delay and seizures with or without movement abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_75682" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dihydropteridine reductase deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_120642" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dopa-responsive dystonia due to sepiapterin reductase deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_419694" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">DPAGT1-congenital disorder of glycosylation</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794246" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dyskinesia with orofacial involvement, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_358384" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dystonia 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934600" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dystonia 28, childhood-onset</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_338823" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Early-onset generalized limb-onset dystonia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816154" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Early-onset Parkinson disease 20</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934642" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Encephalopathy, progressive, early-onset, with brain edema and/or leukoencephalopathy, 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_98284" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy with myoclonic atonic seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_371424" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy, familial adult myoclonic, 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_375031" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy, familial adult myoclonic, 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462210" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy, familial adult myoclonic, 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767474" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy, familial adult myoclonic, 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815704" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy, familial adult myoclonic, 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_394003" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy, progressive myoclonic, 1B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_318554" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Episodic ataxia type 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355842" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Fatal mitochondrial disease due to combined oxidative phosphorylation defect type 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1375401" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gabriele de Vries syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_82813" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">gamma-Glutamyltransferase deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_4886" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gerstmann-Straussler-Scheinker syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1615160" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Glycosylphosphatidylinositol biosynthesis defect 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816331" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_988270" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">GTP cyclohydrolase I deficiency with hyperphenylalaninemia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_66355" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary acrodermatitis enteropathica</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_324965" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934732" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypermanganesemia with dystonia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_412958" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypermanganesemia with dystonia, polycythemia, and cirrhosis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_897960" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypomyelinating leukodystrophy 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_436642" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypomyelinating leukodystrophy 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482274" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypomyelinating leukodystrophy 8 with or without oligodontia and-or hypogonadotropic hypogonadism</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1682428" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ichthyotic keratoderma, spasticity, hypomyelination, and dysmorphic facial features</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1637664" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Idiopathic basal ganglia calcification 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1616061" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Immunodeficiency, developmental delay, and hypohomocysteinemia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1798887" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Infantile-onset generalized dyskinesia with orofacial involvement</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684702" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual developmental disorder 60 with seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1675423" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual developmental disorder with abnormal behavior, microcephaly, and short stature</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794207" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual developmental disorder with hypotonia, impaired speech, and dysmorphic facies</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648354" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual developmental disorder with or without epilepsy or cerebellar ataxia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1754849" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual developmental disorder with speech delay and axonal peripheral neuropathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1635938" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, autosomal dominant 55, with seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934784" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, X-linked 104</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_924419" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, X-linked 61</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_895979" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, X-linked, syndromic 33</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1392054" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, X-linked, syndromic, 35</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1647359" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Jaberi-Elahi syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_333282" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Kennedy disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1781649" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Kohlschutter-Tonz syndrome-like</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_338281" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Kufor-Rakeb syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_370845" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy with brain stem and spinal cord involvement-high lactate syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482830" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy with calcifications and cysts</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1639554" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy, ataxia, hypodontia, hypomyelination syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1719567" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy, developmental delay, and episodic neurologic regression syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1379711" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lopes-Maciel-Rodan syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767312" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lower motor neuron syndrome with late-adult onset</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794260" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Marbach-Schaaf neurodevelopmental syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_344422" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Methylmalonic aciduria, cblA type</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934707" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Micrognathia-recurrent infections-behavioral abnormalities-mild intellectual disability syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_331388" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Migraine, familial hemiplegic, 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355962" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Migraine, familial hemiplegic, 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767519" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex III deficiency nuclear type 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481329" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex V (ATP synthase) deficiency nuclear type 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1620960" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial myopathy-cerebellar ataxia-pigmentary retinopathy syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481405" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multiple congenital anomalies-hypotonia-seizures syndrome 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_811503" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multiple system atrophy 1, susceptibility to</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_331778" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myoclonic dystonia 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794147" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, myofibrillar, 12, infantile-onset, with cardiomyopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_344273" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nemaline myopathy 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934660" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration with ataxia, dystonia, and gaze palsy, childhood-onset</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482001" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration with brain iron accumulation 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_763887" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration with brain iron accumulation 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1647672" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration with brain iron accumulation 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1645224" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration with brain iron accumulation 8</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841069" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration with developmental delay, early respiratory failure, myoclonic seizures, and brain abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1847831" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration, childhood-onset, with cerebellar ataxia and cognitive decline</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1840955" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with absent speech and movement and behavioral abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684663" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with behavioral abnormalities, absent speech, and hypotonia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648373" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with cerebellar atrophy and with or without seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648487" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with epilepsy and hypoplasia of the corpus callosum</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794248" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with hyperkinetic movements and dyskinesia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1847194" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with impaired language, behavioral abnormalities, and dysmorphic facies</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1681181" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with impaired speech and hyperkinetic movements</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1764121" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with microcephaly, impaired language, epilepsy, and gait abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794164" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with motor and speech delay and behavioral abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1861832" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with progressive movement abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1619876" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder, mitochondrial, with abnormal movements and lactic acidosis, with or without seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_381211" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuroferritinopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_811566" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuronal ceroid lipofuscinosis 13</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355075" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuronal intranuclear inclusion disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_322474" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuronopathy, distal hereditary motor, type 7A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_895482" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuropathy, hereditary motor and sensory, type 6B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684701" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oculopharyngeal myopathy with leukoencephalopathy 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684682" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oculopharyngodistal myopathy 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794166" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oculopharyngodistal myopathy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1809981" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oculopharyngodistal myopathy 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_326915" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_371657" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_411554" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Paraplegia-intellectual disability-hyperkeratosis syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_343992" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Parkinson disease 13, autosomal dominant, susceptibility to</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481763" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Parkinson disease 17</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_903105" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Parkinson disease 21</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_463618" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Parkinson disease, late-onset</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1808365" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Parkinsonism-dystonia 3, childhood-onset</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_61440" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pelizaeus-Merzbacher disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482186" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peripheral neuropathy-myopathy-hoarseness-hearing loss syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_762202" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peroxisome biogenesis disorder 5B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_357007" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Perry syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_6708" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pigmentary pallidal degeneration</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_138111" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">PMM2-congenital disorder of glycosylation</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_895952" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive essential tremor-speech impairment-facial dysmorphism-intellectual disability-abnormal behavior syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1681379" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive myoclonic epilepsy type 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863857" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive myoclonic epilepsy type 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_342410" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive supranuclear palsy-parkinsonism syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816615" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Proximal myopathy with extrapyramidal signs</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_337890" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pterin-4 alpha-carbinolamine dehydratase 1 deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_75653" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Purine-nucleoside phosphorylase deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_326486" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pyruvate dehydrogenase E1-alpha deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1778557" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Radio-Tartaglia syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863137" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Severe neurodegenerative syndrome with lipodystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_76449" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sneddon syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_370750" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic ataxia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_419037" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraparesis-deafness syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_371854" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinal muscular atrophy-progressive myoclonic epilepsy syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934730" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 43</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648409" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 48</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_156006" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_338301" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 15/16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_336066" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 18</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_339942" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 23</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_350085" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 29</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_855217" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 37</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1379865" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 38</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1385103" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 40</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_902592" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 42</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_332457" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 8</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1778853" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive 30</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1786855" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive 31</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_340052" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1673607" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1640811" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Supranuclear palsy, progressive, 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_902184" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Syndromic X-linked intellectual disability 34</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_413851" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Thyrotoxic periodic paralysis, susceptibility to, 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_335918" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Torsion dystonia 13</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_346511" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Torsion dystonia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_394839" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tremor, hereditary essential, and idiopathic normal pressure hydrocephalus</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_349908" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tremor-nystagmus-duodenal ulcer syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_349893" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Triosephosphate isomerase deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_224783" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Upshaw-Schulman syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_42426" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Wilson disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1641635" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Wolfram syndrome 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_326820" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked dystonia-parkinsonism</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_337334" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked intellectual disability Cabezas type</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_163232" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked intellectual disability-psychosis-macroorchidism syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_901885" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked intellectual disability-short stature-overweight syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_120612" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Xeroderma pigmentosum, group F</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_75657" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Xeroderma pigmentosum, group G</a></div></span></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_105">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Professional_guidelines">Professional guidelines</h1><a sid="105" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><h3 class="subhead">PubMed<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpPM"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/33904435">Post-stroke Movement Disorders: Clinical Spectrum, Pathogenesis, and Management.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Tater P,
|
||
Pandey S</span><br />
|
||
<span class="medgenPMjournal">Neurol India</span>
|
||
2021 Mar-Apr;69(2):272-283.
|
||
doi: 10.4103/0028-3886.314574.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33904435" target="_blank">33904435</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/32044947">Diagnosis and Treatment of Parkinson Disease: A Review.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Armstrong MJ,
|
||
Okun MS</span><br />
|
||
<span class="medgenPMjournal">JAMA</span>
|
||
2020 Feb 11;323(6):548-560.
|
||
doi: 10.1001/jama.2019.22360.
|
||
<span class="bold">PMID: </span><a href="/pubmed/32044947" target="_blank">32044947</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26474316">MDS clinical diagnostic criteria for Parkinson's disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Postuma RB,
|
||
Berg D,
|
||
Stern M,
|
||
Poewe W,
|
||
Olanow CW,
|
||
Oertel W,
|
||
Obeso J,
|
||
Marek K,
|
||
Litvan I,
|
||
Lang AE,
|
||
Halliday G,
|
||
Goetz CG,
|
||
Gasser T,
|
||
Dubois B,
|
||
Chan P,
|
||
Bloem BR,
|
||
Adler CH,
|
||
Deuschl G</span><br />
|
||
<span class="medgenPMjournal">Mov Disord</span>
|
||
2015 Oct;30(12):1591-601.
|
||
doi: 10.1002/mds.26424.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26474316" target="_blank">26474316</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22tremor%22%5Btiab%3A~0%5D)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (868)</a></div><h3 class="subhead">Curated<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpCurated"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3><h3 class="nl vspace"><a href="https://www.nice.org.uk/guidance/ng127" target="_blank">UK NICE Guideline (NG127), Suspected neurological conditions: recognition and referral, 2023</a></h3>
|
||
</div>
|
||
</div>
|
||
<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
|
||
to supplement articles available in PubMed. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div>
|
||
<div class="portlet mgSection" id="ID_103">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/37288812">Essential Tremor - Deep Brain Stimulation vs. Focused Ultrasound.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Ferreira Felloni Borges Y,
|
||
Cheyuo C,
|
||
Lozano AM,
|
||
Fasano A</span><br />
|
||
<span class="medgenPMjournal">Expert Rev Neurother</span>
|
||
2023 Jul-Dec;23(7):603-619.
|
||
Epub 2023 Jun 8
|
||
doi: 10.1080/14737175.2023.2221789.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37288812" target="_blank">37288812</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/35220110">Drug-induced tremor, clinical features, diagnostic approach and management.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Baizabal-Carvallo JF,
|
||
Morgan JC</span><br />
|
||
<span class="medgenPMjournal">J Neurol Sci</span>
|
||
2022 Apr 15;435:120192.
|
||
Epub 2022 Feb 19
|
||
doi: 10.1016/j.jns.2022.120192.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35220110" target="_blank">35220110</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/34764294">Essential tremor.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Welton T,
|
||
Cardoso F,
|
||
Carr JA,
|
||
Chan LL,
|
||
Deuschl G,
|
||
Jankovic J,
|
||
Tan EK</span><br />
|
||
<span class="medgenPMjournal">Nat Rev Dis Primers</span>
|
||
2021 Nov 11;7(1):83.
|
||
doi: 10.1038/s41572-021-00314-w.
|
||
<span class="bold">PMID: </span><a href="/pubmed/34764294" target="_blank">34764294</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/30952437">Clinical approach to tremor in children.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Torres-Russotto D</span><br />
|
||
<span class="medgenPMjournal">Parkinsonism Relat Disord</span>
|
||
2019 Feb;59:111-116.
|
||
Epub 2019 Mar 23
|
||
doi: 10.1016/j.parkreldis.2019.03.015.
|
||
<span class="bold">PMID: </span><a href="/pubmed/30952437" target="_blank">30952437</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/28937519">Vocal tremor: where are we at?</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Richards AL</span><br />
|
||
<span class="medgenPMjournal">Curr Opin Otolaryngol Head Neck Surg</span>
|
||
2017 Dec;25(6):475-479.
|
||
doi: 10.1097/MOO.0000000000000412.
|
||
<span class="bold">PMID: </span><a href="/pubmed/28937519" target="_blank">28937519</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Tremor%22%20AND%20Etiology%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (5935)</a></div><h3 class="subhead">Diagnosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/38976274">Essential Tremor.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Elias WJ,
|
||
Shah BB</span><br />
|
||
<span class="medgenPMjournal">JAMA</span>
|
||
2024 Aug 6;332(5):418-419.
|
||
doi: 10.1001/jama.2024.7475.
|
||
<span class="bold">PMID: </span><a href="/pubmed/38976274" target="_blank">38976274</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/38538475">Updates in essential tremor.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Okelberry T,
|
||
Lyons KE,
|
||
Pahwa R</span><br />
|
||
<span class="medgenPMjournal">Parkinsonism Relat Disord</span>
|
||
2024 May;122:106086.
|
||
Epub 2024 Mar 12
|
||
doi: 10.1016/j.parkreldis.2024.106086.
|
||
<span class="bold">PMID: </span><a href="/pubmed/38538475" target="_blank">38538475</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/36222768">Diagnosis and Treatment of Essential Tremor.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Wagle Shukla A</span><br />
|
||
<span class="medgenPMjournal">Continuum (Minneap Minn)</span>
|
||
2022 Oct 1;28(5):1333-1349.
|
||
doi: 10.1212/CON.0000000000001181.
|
||
<span class="bold">PMID: </span><a href="/pubmed/36222768" target="_blank">36222768</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/35220110">Drug-induced tremor, clinical features, diagnostic approach and management.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Baizabal-Carvallo JF,
|
||
Morgan JC</span><br />
|
||
<span class="medgenPMjournal">J Neurol Sci</span>
|
||
2022 Apr 15;435:120192.
|
||
Epub 2022 Feb 19
|
||
doi: 10.1016/j.jns.2022.120192.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35220110" target="_blank">35220110</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/29193359">Consensus Statement on the classification of tremors. from the task force on tremor of the International Parkinson and Movement Disorder Society.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Bhatia KP,
|
||
Bain P,
|
||
Bajaj N,
|
||
Elble RJ,
|
||
Hallett M,
|
||
Louis ED,
|
||
Raethjen J,
|
||
Stamelou M,
|
||
Testa CM,
|
||
Deuschl G;
|
||
Tremor Task Force of the International Parkinson and Movement Disorder Society</span><br />
|
||
<span class="medgenPMjournal">Mov Disord</span>
|
||
2018 Jan;33(1):75-87.
|
||
Epub 2017 Nov 30
|
||
doi: 10.1002/mds.27121.
|
||
<span class="bold">PMID: </span><a href="/pubmed/29193359" target="_blank">29193359</a><a href="/pmc/articles/PMC6530552" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Tremor%22%20AND%20Diagnosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (6586)</a></div><h3 class="subhead">Therapy</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/33021724">Update on the Treatment of Ataxia: Medication and Emerging Therapies.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Perlman SL</span><br />
|
||
<span class="medgenPMjournal">Neurotherapeutics</span>
|
||
2020 Oct;17(4):1660-1664.
|
||
Epub 2020 Oct 6
|
||
doi: 10.1007/s13311-020-00941-3.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33021724" target="_blank">33021724</a><a href="/pmc/articles/PMC7851298" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/32785848">Complementary Therapies in Parkinson Disease: a Review of Acupuncture, Tai Chi, Qi Gong, Yoga, and Cannabis.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Deuel LM,
|
||
Seeberger LC</span><br />
|
||
<span class="medgenPMjournal">Neurotherapeutics</span>
|
||
2020 Oct;17(4):1434-1455.
|
||
doi: 10.1007/s13311-020-00900-y.
|
||
<span class="bold">PMID: </span><a href="/pubmed/32785848" target="_blank">32785848</a><a href="/pmc/articles/PMC7851283" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/31370011">Current and future directions of deep brain stimulation for neurological and psychiatric disorders.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Lee DJ,
|
||
Lozano CS,
|
||
Dallapiazza RF,
|
||
Lozano AM</span><br />
|
||
<span class="medgenPMjournal">J Neurosurg</span>
|
||
2019 Aug 1;131(2):333-342.
|
||
doi: 10.3171/2019.4.JNS181761.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31370011" target="_blank">31370011</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26374073">FDA Approval: Blinatumomab.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Przepiorka D,
|
||
Ko CW,
|
||
Deisseroth A,
|
||
Yancey CL,
|
||
Candau-Chacon R,
|
||
Chiu HJ,
|
||
Gehrke BJ,
|
||
Gomez-Broughton C,
|
||
Kane RC,
|
||
Kirshner S,
|
||
Mehrotra N,
|
||
Ricks TK,
|
||
Schmiel D,
|
||
Song P,
|
||
Zhao P,
|
||
Zhou Q,
|
||
Farrell AT,
|
||
Pazdur R</span><br />
|
||
<span class="medgenPMjournal">Clin Cancer Res</span>
|
||
2015 Sep 15;21(18):4035-9.
|
||
doi: 10.1158/1078-0432.CCR-15-0612.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26374073" target="_blank">26374073</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/25015323">Spinal stimulation for movement disorders.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Thiriez C,
|
||
Gurruchaga JM,
|
||
Goujon C,
|
||
Fénelon G,
|
||
Palfi S</span><br />
|
||
<span class="medgenPMjournal">Neurotherapeutics</span>
|
||
2014 Jul;11(3):543-52.
|
||
doi: 10.1007/s13311-014-0291-0.
|
||
<span class="bold">PMID: </span><a href="/pubmed/25015323" target="_blank">25015323</a><a href="/pmc/articles/PMC4121450" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Tremor%22%20AND%20Therapy%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (6311)</a></div><h3 class="subhead">Prognosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/31631455">Parkinson disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Balestrino R,
|
||
Schapira AHV</span><br />
|
||
<span class="medgenPMjournal">Eur J Neurol</span>
|
||
2020 Jan;27(1):27-42.
|
||
Epub 2019 Nov 27
|
||
doi: 10.1111/ene.14108.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31631455" target="_blank">31631455</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/30809420">Inspiratory Myoclonus.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Dekker MCJ,
|
||
Kilonzo KG,
|
||
Howlett WP,
|
||
Guttman M,
|
||
Cubo E</span><br />
|
||
<span class="medgenPMjournal">Tremor Other Hyperkinet Mov (N Y)</span>
|
||
2019;9:625.
|
||
Epub 2019 Feb 18
|
||
doi: 10.7916/3qs5-cv76.
|
||
<span class="bold">PMID: </span><a href="/pubmed/30809420" target="_blank">30809420</a><a href="/pmc/articles/PMC6387828" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/27556628">Current Uses of Botulinum Neurotoxins in Plastic Surgery.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Noland ME,
|
||
Lalonde DH,
|
||
Yee GJ,
|
||
Rohrich RJ</span><br />
|
||
<span class="medgenPMjournal">Plast Reconstr Surg</span>
|
||
2016 Sep;138(3):519e-530e.
|
||
doi: 10.1097/PRS.0000000000002480.
|
||
<span class="bold">PMID: </span><a href="/pubmed/27556628" target="_blank">27556628</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/14602969">Parkinson's disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Constantino AE,
|
||
Honig LS</span><br />
|
||
<span class="medgenPMjournal">Sci Aging Knowledge Environ</span>
|
||
2001 Nov 14;2001(7):dn4.
|
||
doi: 10.1126/sageke.2001.7.dn4.
|
||
<span class="bold">PMID: </span><a href="/pubmed/14602969" target="_blank">14602969</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/6067254">Parkinsonism: onset, progression and mortality.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Hoehn MM,
|
||
Yahr MD</span><br />
|
||
<span class="medgenPMjournal">Neurology</span>
|
||
1967 May;17(5):427-42.
|
||
doi: 10.1212/wnl.17.5.427.
|
||
<span class="bold">PMID: </span><a href="/pubmed/6067254" target="_blank">6067254</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Tremor%22%20AND%20Prognosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (2813)</a></div><h3 class="subhead">Clinical prediction guides</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/33355613">Characterization of Retinal Microvascular and Choroidal Structural Changes in Parkinson Disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Robbins CB,
|
||
Thompson AC,
|
||
Bhullar PK,
|
||
Koo HY,
|
||
Agrawal R,
|
||
Soundararajan S,
|
||
Yoon SP,
|
||
Polascik BW,
|
||
Scott BL,
|
||
Grewal DS,
|
||
Fekrat S</span><br />
|
||
<span class="medgenPMjournal">JAMA Ophthalmol</span>
|
||
2021 Feb 1;139(2):182-188.
|
||
doi: 10.1001/jamaophthalmol.2020.5730.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33355613" target="_blank">33355613</a><a href="/pmc/articles/PMC7758829" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/29385925">Predicting lesion size during focused ultrasound thalamotomy: a review of 63 lesions over 3 clinical trials.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Bond AE,
|
||
Elias WJ</span><br />
|
||
<span class="medgenPMjournal">Neurosurg Focus</span>
|
||
2018 Feb;44(2):E5.
|
||
doi: 10.3171/2017.11.FOCUS17623.
|
||
<span class="bold">PMID: </span><a href="/pubmed/29385925" target="_blank">29385925</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/28302933">Essential Tremor with Aspartic Acidemia.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Miura S,
|
||
Fujioka R,
|
||
Taniwaki T</span><br />
|
||
<span class="medgenPMjournal">Kurume Med J</span>
|
||
2017 May 8;63(3.4):81-84.
|
||
Epub 2017 Mar 15
|
||
doi: 10.2739/kurumemedj.MS00015.
|
||
<span class="bold">PMID: </span><a href="/pubmed/28302933" target="_blank">28302933</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26555692">Undiagnosed neurological disease as a potential cause of male lower urinary tract symptoms.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Wei DY,
|
||
Drake MJ</span><br />
|
||
<span class="medgenPMjournal">Curr Opin Urol</span>
|
||
2016 Jan;26(1):11-6.
|
||
doi: 10.1097/MOU.0000000000000243.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26555692" target="_blank">26555692</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/23430217">Diagnosis and management of insulinoma.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Okabayashi T,
|
||
Shima Y,
|
||
Sumiyoshi T,
|
||
Kozuki A,
|
||
Ito S,
|
||
Ogawa Y,
|
||
Kobayashi M,
|
||
Hanazaki K</span><br />
|
||
<span class="medgenPMjournal">World J Gastroenterol</span>
|
||
2013 Feb 14;19(6):829-37.
|
||
doi: 10.3748/wjg.v19.i6.829.
|
||
<span class="bold">PMID: </span><a href="/pubmed/23430217" target="_blank">23430217</a><a href="/pmc/articles/PMC3574879" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Tremor%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (5213)</a></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_104">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_systematic_reviews">Recent systematic reviews</h1><a sid="104" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln">
|
||
<div class="nl"><a target="_blank" href="/pubmed/37566261">Efficacy and Safety of Aripiprazole in Borderline Personality Disorder: A Systematic Review.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Valdivieso-Jiménez G,
|
||
Pino-Zavaleta DA,
|
||
Campos-Rodriguez SK,
|
||
Ortiz-Saavedra B,
|
||
Fernández MF,
|
||
Benites-Zapata VA</span><br />
|
||
<span class="medgenPMjournal">Psychiatr Q</span>
|
||
2023 Dec;94(4):541-557.
|
||
Epub 2023 Aug 11
|
||
doi: 10.1007/s11126-023-10045-8.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37566261" target="_blank">37566261</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/37008993">Episodic Ataxias: Primary and Secondary Etiologies, Treatment, and Classification Approaches.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Hassan A</span><br />
|
||
<span class="medgenPMjournal">Tremor Other Hyperkinet Mov (N Y)</span>
|
||
2023;13:9.
|
||
Epub 2023 Mar 28
|
||
doi: 10.5334/tohm.747.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37008993" target="_blank">37008993</a><a href="/pmc/articles/PMC10064912" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/34958046">Effects of Cannabis in Parkinson's Disease: A Systematic Review and Meta-Analysis.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Urbi B,
|
||
Corbett J,
|
||
Hughes I,
|
||
Owusu MA,
|
||
Thorning S,
|
||
Broadley SA,
|
||
Sabet A,
|
||
Heshmat S</span><br />
|
||
<span class="medgenPMjournal">J Parkinsons Dis</span>
|
||
2022;12(2):495-508.
|
||
doi: 10.3233/JPD-212923.
|
||
<span class="bold">PMID: </span><a href="/pubmed/34958046" target="_blank">34958046</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/32111637">Outcome measurement in functional neurological disorder: a systematic review and recommendations.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Pick S,
|
||
Anderson DG,
|
||
Asadi-Pooya AA,
|
||
Aybek S,
|
||
Baslet G,
|
||
Bloem BR,
|
||
Bradley-Westguard A,
|
||
Brown RJ,
|
||
Carson AJ,
|
||
Chalder T,
|
||
Damianova M,
|
||
David AS,
|
||
Edwards MJ,
|
||
Epstein SA,
|
||
Espay AJ,
|
||
Garcin B,
|
||
Goldstein LH,
|
||
Hallett M,
|
||
Jankovic J,
|
||
Joyce EM,
|
||
Kanaan RA,
|
||
Keynejad RC,
|
||
Kozlowska K,
|
||
LaFaver K,
|
||
LaFrance WC Jr,
|
||
Lang AE,
|
||
Lehn A,
|
||
Lidstone S,
|
||
Maurer CW,
|
||
Mildon B,
|
||
Morgante F,
|
||
Myers L,
|
||
Nicholson C,
|
||
Nielsen G,
|
||
Perez DL,
|
||
Popkirov S,
|
||
Reuber M,
|
||
Rommelfanger KS,
|
||
Schwingenshuh P,
|
||
Serranova T,
|
||
Shotbolt P,
|
||
Stebbins GT,
|
||
Stone J,
|
||
Tijssen MA,
|
||
Tinazzi M,
|
||
Nicholson TR</span><br />
|
||
<span class="medgenPMjournal">J Neurol Neurosurg Psychiatry</span>
|
||
2020 Jun;91(6):638-649.
|
||
Epub 2020 Feb 28
|
||
doi: 10.1136/jnnp-2019-322180.
|
||
<span class="bold">PMID: </span><a href="/pubmed/32111637" target="_blank">32111637</a><a href="/pmc/articles/PMC7279198" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/24514863">Parkinson disease subtypes.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Thenganatt MA,
|
||
Jankovic J</span><br />
|
||
<span class="medgenPMjournal">JAMA Neurol</span>
|
||
2014 Apr;71(4):499-504.
|
||
doi: 10.1001/jamaneurol.2013.6233.
|
||
<span class="bold">PMID: </span><a href="/pubmed/24514863" target="_blank">24514863</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Tremor%22%20AND%20systematic%5Bsb%5D%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (338)</a></div></div>
|
||
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|
||
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||
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|
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|
||
|
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|
||
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|
||
<div class="supplemental col three_col last">
|
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<h2 class="offscreen_noflow">Supplemental Content</h2>
|
||
|
||
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|
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|
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C0040822%5bDISCUI%5d&filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (56)</a></li>
|
||
<li><a href="/gtr/tests?term=C0040822%5bDISCUI%5d&filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (56)</a></li>
|
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<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C0040822%5bDISCUI%5d" target="_blank">See all (56)</a></total></li>
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<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22tremor%22%5Btiab%3A~0%5D)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">PubMed</a><div class="help-popup">See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li><li><a target="_blank" href="/books/?term=((%22clinical%20guidelines%22%5BResource%20Type%5D)%20OR%20%22practice%20guideline%22%5BPublication%20Type%5D)%20AND%20(%22Tremor%22)">Bookshelf</a><div class="help-popup">See practice and clinical guidelines in NCBI Bookshelf. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li></ul><h3 class="subhead">Curated</h3><ul class="a_poppers"><li><a target="_blank" href="https://www.nice.org.uk/guidance/ng127">NICE, 2023</a><div>UK NICE Guideline (NG127), Suspected neurological conditions: recognition and referral, 2023</div></li></ul></div>
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