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<!--
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||
UID=68583
|
||
ConceptID=C0234162
|
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-->
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<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Dysmetria</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>68583</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.">C0234162</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
|
||
<td>Cerebellar Dysmetria; Cerebellar Dysmetrias; Dysmetria, Cerebellar; Dysmetrias; Dysmetrias, Cerebellar</td></tr>
|
||
<tr><td><span class="bold">SNOMED CT: </span></td>
|
||
<td>Dysmetria (32566006)</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:0001310">HP:0001310</a></td></tr>
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||
<div class="portlet_content ln">A type of ataxia characterized by the inability to carry out movements with the correct range and motion across the plane of more than one joint related to incorrect estimation of the distances required for targeted movements. [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_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=C0234162[DISCUI]&test_type=Clinical" ref="ncbi_uid=68583">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=68583" ref="ncbi_uid=68583">V</a></span></span><span class="TLline">Dysmetria</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><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/868940" ref="tree=MeSH" title="MedGen record for Abnormal central motor function">Abnormal central motor function</a></span><ul><li><span class="TLline"><a href="/medgen/868939" ref="tree=MeSH" title="MedGen record for Abnormality of coordination">Abnormality of coordination</a></span><ul><li><span class="TLline"><a href="/medgen/849" ref="tree=MeSH" title="MedGen record for Cerebellar ataxia">Cerebellar ataxia</a></span><ul><li><span class="matched_ds">Dysmetria</span><ul><li><span class="TLline"><a href="/medgen/340244" ref="tree=MeSH" title="MedGen record for Limb dysmetria">Limb dysmetria</a></span><ul><li><span class="TLline"><a href="/medgen/1643776" ref="tree=MeSH" title="MedGen record for Lower limb dysmetria">Lower limb dysmetria</a></span></li><li><span class="TLline"><a href="/medgen/482338" ref="tree=MeSH" title="MedGen record for Upper limb dysmetria">Upper limb dysmetria</a></span></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></div></div></div></div>
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<div class="portlet mgSection" id="ID_112">
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||
<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>
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||
<div class="portlet_content ln clinfeat">
|
||
<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_120644"><div><strong>Urocanate hydratase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>120644</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.">C0268514</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Urocanase deficiency (UROCD) is characterized clinically by urocanic aciduria, impaired intellectual development, severe intermittent ataxia coinciding with infection, tremor, and nystagmus (Espinos et al., 2009).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/120644">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_82815"><div><strong>Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>82815</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.">C0268540</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hyperornithinemia-hyperammonemia-homocitrullinuria (HHH) syndrome is a disorder of the urea cycle and ornithine degradation pathway. Clinical manifestations and age of onset vary among individuals even in the same family. Neonatal onset (~8% of affected individuals). Manifestations of hyperammonemia usually begin 24-48 hours after feeding begins and can include lethargy, somnolence, refusal to feed, vomiting, tachypnea with respiratory alkalosis, and/or seizures. Infantile, childhood, and adult onset (~92%). Affected individuals may present with: Chronic neurocognitive deficits (including developmental delay, ataxia, spasticity, learning disabilities, cognitive deficits, and/or unexplained seizures); Acute encephalopathy secondary to hyperammonemic crisis precipitated by a variety of factors; and Chronic liver dysfunction (unexplained elevation of liver transaminases with or without mild coagulopathy, with or without mild hyperammonemia and protein intolerance). Neurologic findings and cognitive abilities can continue to deteriorate despite early metabolic control that prevents hyperammonemia.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/82815">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_78724"><div><strong>Alexander disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>78724</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.">C0270726</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Alexander disease, a progressive disorder of cerebral white matter caused by a heterozygous GFAP pathogenic variant, comprises a continuous clinical spectrum most recognizable in infants and children and a range of nonspecific neurologic manifestations in adults. This chapter discusses the spectrum of Alexander disease as four forms: neonatal, infantile, juvenile, and adult. The neonatal form begins in the first 30 days after birth with neurologic findings (e.g., hypotonia, hyperexcitability, myoclonus) and/or gastrointestinal manifestations (e.g., gastroesophageal reflux, vomiting, failure to thrive), followed by severe developmental delay and regression, seizures, megalencephaly, and typically death within two years. The infantile form is characterized by variable developmental issues: initially some have delayed or plateauing of acquisition of new skills, followed in some by a loss of gross and fine motor skills and language during in the first decade or in others a slow disease course that spans decades. Seizures, often triggered by illness, may be less frequent/severe than in the neonatal form. The juvenile form typically presents in childhood or adolescence with clinical and imaging features that overlap with the other forms. Manifestations in early childhood are milder than those in the infantile form (e.g., mild language delay may be the only developmental abnormality or, with language acquisition, hypophonia or nasal speech may alter the voice, often prior to appearance of other neurologic features). Vomiting and failure to thrive as well as scoliosis and autonomic dysfunction are common. The adult form is typically characterized by bulbar or pseudobulbar findings (palatal myoclonus, dysphagia, dysphonia, dysarthria or slurred speech), motor/gait abnormalities with pyramidal tract signs (spasticity, hyperreflexia, positive Babinski sign), or cerebellar abnormalities (ataxia, nystagmus, or dysmetria). Others may have hemiparesis or hemiplegia with a relapsing/remitting course or slowly progressive quadriparesis or quadriplegia. Other neurologic features can include sleep apnea, diplopia or disorders of extraocular motility, and autonomic dysfunction.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/78724">Condition Record</a></div></div>
|
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<div class="divPopper rprt" id="rdis_83349"><div><strong>3-hydroxyisobutyryl-CoA hydrolase deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>83349</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.">C0342738</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">3-Hydroxyisobutyryl-CoA hydrolase deficiency (HIBCHD) is an autosomal recessive inborn error of metabolism characterized by severely delayed psychomotor development, neurodegeneration, increased lactic acid, and brain lesions in the basal ganglia (summary by Ferdinandusse et al., 2013).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/83349">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_97950"><div><strong>Troyer syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>97950</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.">C0393559</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Troyer syndrome is characterized by progressive spastic paraparesis, dysarthria, pseudobulbar palsy, distal amyotrophy, short stature, and subtle skeletal abnormalities. Most affected children exhibit delays in walking and speech and difficulty in managing oral secretions, followed by increased lower-limb spasticity and slow deterioration in both gait and speech. Mild cerebellar signs are common. The most severely affected individuals have choreoathetosis. Emotional lability / difficulty in controlling emotions and affective disorders, such as inappropriate euphoria and/or crying, are frequently described. Life expectancy is normal.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/97950">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_155703"><div><strong>Spinocerebellar ataxia type 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>155703</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.">C0752120</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 1 (SCA1) is characterized by progressive cerebellar ataxia, dysarthria, and eventual deterioration of bulbar functions. Early in the disease, affected individuals may have gait disturbance, slurred speech, difficulty with balance, brisk deep tendon reflexes, hypermetric saccades, nystagmus, and mild dysphagia. Later signs include slowing of saccadic velocity, development of upgaze palsy, dysmetria, dysdiadochokinesia, and hypotonia. In advanced stages, muscle atrophy, decreased deep tendon reflexes, loss of proprioception, cognitive impairment (e.g., frontal executive dysfunction, impaired verbal memory), chorea, dystonia, and bulbar dysfunction are seen. Onset is typically in the third or fourth decade, although childhood onset and late-adult onset have been reported. Those with onset after age 60 years may manifest a pure cerebellar phenotype. Interval from onset to death varies from ten to 30 years; individuals with juvenile onset show more rapid progression and more severe disease. Anticipation is observed. An axonal sensory neuropathy detected by electrophysiologic testing is common; brain imaging typically shows cerebellar and brain stem atrophy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/155703">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_155704"><div><strong>Spinocerebellar ataxia type 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>155704</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.">C0752121</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 2 (SCA2) is characterized by progressive cerebellar ataxia, including nystagmus, slow saccadic eye movements, and in some individuals, ophthalmoparesis or parkinsonism. Pyramidal findings are present; deep tendon reflexes are brisk early on and absent later in the course. Age of onset is typically in the fourth decade with a ten- to 15-year disease duration.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/155704">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_155705"><div><strong>Spinocerebellar ataxia type 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>155705</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.">C0752123</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">For a general discussion of autosomal dominant spinocerebellar ataxia (SCA), see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/155705">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_148458"><div><strong>Spinocerebellar ataxia type 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>148458</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.">C0752124</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 6 (SCA6) is characterized by adult-onset, slowly progressive cerebellar ataxia, dysarthria, and nystagmus. The age of onset ranges from 19 to 73 years; mean age of onset is between 43 and 52 years. Initial symptoms are gait unsteadiness, stumbling, and imbalance (in ~90%) and dysarthria (in ~10%). Eventually all persons have gait ataxia, upper-limb incoordination, intention tremor, and dysarthria. Dysphagia and choking are common. Visual disturbances may result from diplopia, difficulty fixating on moving objects, horizontal gaze-evoked nystagmus, and vertical nystagmus. Hyperreflexia and extensor plantar responses occur in up to 40%-50%. Basal ganglia signs, including dystonia and blepharospasm, occur in up to 25%. Mentation is generally preserved.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/148458">Condition Record</a></div></div>
|
||
<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>
|
||
<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>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/156006">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_230896"><div><strong>Ataxia-pancytopenia syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>230896</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.">C1327919</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SAMD9L ataxia-pancytopenia (ATXPC) syndrome is characterized by cerebellar ataxia, variable hematologic cytopenias, and predisposition to marrow failure, myelodysplasia, and myeloid leukemia, sometimes associated with monosomy 7. The onset of hematologic abnormalities has been reported as early as age three months. The cytopenias in all cell lineages range from mild to very severe. Onset of neurologic impairment is variable. Nystagmus, dysmetria, increased deep tendon reflexes, and clonus are common. Gait impairment and other neurologic abnormalities are slowly progressive.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/230896">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_318633"><div><strong>Cerebellar ataxia-areflexia-pes cavus-optic atrophy-sensorineural hearing loss syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>318633</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.">C1832466</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/318633">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_324520"><div><strong>Autosomal recessive spinocerebellar ataxia 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324520</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.">C1836474</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia is a neurologic disorder characterized by onset of progressive gait difficulties, eye movement abnormalities, and dysarthria in the first or second decade of life (summary by Dy et al., 2015).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/324520">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_373138"><div><strong>Hereditary spastic paraplegia 26</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>373138</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.">C1836632</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SPG26 is an autosomal recessive form of complicated spastic paraplegia characterized by onset in the first 2 decades of life of gait abnormalities due to lower limb spasticity and muscle weakness. Some patients have upper limb involvement. Additional features include intellectual disability, peripheral neuropathy, dysarthria, cerebellar signs, extrapyramidal signs, and cortical atrophy. The disorder is slowly progressive (summary by Boukhris et al., 2013). For a discussion of genetic heterogeneity of autosomal recessive SPG, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/373138">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_325051"><div><strong>CARASIL syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>325051</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.">C1838577</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">HTRA1 disorder is a phenotypic spectrum in which some individuals have few to no symptoms and others manifest with the more severe CARASIL (cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy) phenotype. Those who have a heterozygous HTRA1 pathogenic variant may have mild neurologic findings (sometimes identified only on neuroimaging) or mild-to-moderate neurologic signs and symptoms of CARASIL. In this chapter, the term "classic CARASIL" refers to the more severe phenotype associated with biallelic pathogenic variants, and "HTRA1 cerebral small vessel disease" (HTRA1-CSVD) refers to the milder phenotype associated with a heterozygous HTRA1 pathogenic variant. Classic CARASIL is characterized by early-onset changes in the deep white matter of the brain observed on MRI, and associated neurologic findings. The most frequent initial symptom is gait disturbance from spasticity beginning between ages 20 and 40 years. Forty-four percent of affected individuals have stroke-like episodes before age 40 years. Mood changes (apathy and irritability), pseudobulbar palsy, and cognitive dysfunction begin between ages 20 and 50 years. The disease progresses slowly following the onset of neurologic symptoms. Scalp alopecia and acute mid- to lower-back pain (lumbago) before age 30 years are characteristic. The most frequent initial symptom in individuals with HTRA1-CSVD is slowly progressive gait disturbance after age 40 years, which may be followed by the development of mood changes and cognitive dysfunction. A majority of affected individuals have a stroke-like episode after age 40 years. Spondylosis and alopecia are seen in a minority of individuals with HTRA1-CSVD.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/325051">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_374177"><div><strong>Hereditary spastic paraplegia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>374177</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.">C1839264</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/374177">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_333403"><div><strong>Fragile X-associated tremor/ataxia syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>333403</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.">C1839780</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">FMR1 disorders include fragile X syndrome (FXS), fragile X-associated tremor/ataxia syndrome (FXTAS), and fragile X-associated primary ovarian insufficiency (FXPOI). Fragile X syndrome occurs in individuals with an FMR1 full mutation or other loss-of-function variant and is nearly always characterized in affected males by developmental delay and intellectual disability along with a variety of behavioral issues. Autism spectrum disorder is present in 50%-70% of individuals with FXS. Affected males may have characteristic craniofacial features (which become more obvious with age) and medical problems including hypotonia, gastroesophageal reflux, strabismus, seizures, sleep disorders, joint laxity, pes planus, scoliosis, and recurrent otitis media. Adults may have mitral valve prolapse or aortic root dilatation. The physical and behavioral features seen in males with FXS have been reported in females heterozygous for the FMR1 full mutation, but with lower frequency and milder involvement. FXTAS occurs in individuals who have an FMR1 premutation and is characterized by late-onset, progressive cerebellar ataxia and intention tremor followed by cognitive impairment. Psychiatric disorders are common. Age of onset is typically between 60 and 65 years and is more common among males who are hemizygous for the premutation (40%) than among females who are heterozygous for the premutation (16%-20%). FXPOI, defined as hypergonadotropic hypogonadism before age 40 years, has been observed in 20% of women who carry a premutation allele compared to 1% in the general population.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/333403">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_334220"><div><strong>Infantile-onset autosomal recessive nonprogressive cerebellar ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>334220</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.">C1842676</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare genetic autosomal recessive cerebellar ataxia disease with characteristics of nonprogressive cerebellar ataxia, with onset in infancy, manifesting with delayed motor and speech development, gait ataxia, dysmetria, hypotonia, increased deep tendon reflexes and dysarthria. Additional variable manifestations include moderate nystagmus on lateral gaze, mild spasticity, intention tremor, short stature and pes planus. Brain imaging reveals cerebellar vermis atrophy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/334220">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_375302"><div><strong>Sensory ataxic neuropathy, dysarthria, and ophthalmoparesis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>375302</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.">C1843851</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">POLG-related disorders comprise a continuum of overlapping phenotypes that were clinically defined before the molecular basis was known. POLG-related disorders can therefore be considered an overlapping spectrum of disease presenting from early childhood to late adulthood. The age of onset broadly correlates with the clinical phenotype. In individuals with early-onset disease (prior to age 12 years), liver involvement, feeding difficulties, seizures, hypotonia, and muscle weakness are the most common clinical features. This group has the worst prognosis. In the juvenile/adult-onset form (age 12-40 years), disease is typically characterized by peripheral neuropathy, ataxia, seizures, stroke-like episodes, and, in individuals with longer survival, progressive external ophthalmoplegia (PEO). This group generally has a better prognosis than the early-onset group. Late-onset disease (after age 40 years) is characterized by ptosis and PEO, with additional features such as peripheral neuropathy, ataxia, and muscle weakness. This group overall has the best prognosis.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/375302">Condition Record</a></div></div>
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||
<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_335078"><div><strong>X-linked sideroblastic anemia with ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335078</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.">C1845028</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">X-linked spinocerebellar ataxia-6 with or without sideroblastic anemia (SCAX6) is an X-linked recessive disorder characterized by delayed motor development apparent in infancy with delayed walking (often by several years) due to ataxia and poor coordination. Additional features may include dysmetria, dysarthria, spasticity of the lower limbs, hyperreflexia, dysdiadochokinesis, strabismus, and nystagmus. The disorder is slowly progressive, and patients often lose ambulation. Brain imaging usually shows cerebellar atrophy. Most affected individuals have mild hypochromic, microcytic sideroblastic anemia, which may be asymptomatic. Laboratory studies show increased free erythrocyte protoporphyrin (FEP) and ringed sideroblasts on bone marrow biopsy. Female carriers do not have neurologic abnormalities, but may have subtle findings on peripheral blood smear (Pagon et al., 1985; D'Hooghe et al., 2012). For a discussion of genetic heterogeneity of X-linked spinocerebellar ataxia (SCAX), see SCAX1 (302500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/335078">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_339552"><div><strong>Hereditary spastic paraplegia 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>339552</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.">C1846564</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia 7 (SPG7) is characterized by insidiously progressive bilateral leg weakness and spasticity. Most affected individuals have decreased vibration sense and cerebellar signs. Onset is mostly in adulthood, although symptoms may start as early as age 11 years and as late as age 72 years. Additional features including ataxia (gait and limbs), spastic dysarthria, dysphagia, pale optic disks, ataxia, nystagmus, strabismus, ptosis, hearing loss, motor and sensory neuropathy, amyotrophy, scoliosis, pes cavus, and urinary sphincter disturbances may be observed.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/339552">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_337637"><div><strong>Spinocerebellar ataxia type 17</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>337637</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.">C1846707</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 17 (SCA17) is characterized by ataxia, dementia, and involuntary movements, including chorea and dystonia. Psychiatric symptoms, pyramidal signs, and rigidity are common. The age of onset ranges from three to 55 years. Individuals with full-penetrance alleles develop neurologic and/or psychiatric symptoms by age 50 years. Ataxia and psychiatric abnormalities are frequently the initial findings, followed by involuntary movement, parkinsonism, dementia, and pyramidal signs. Brain MRI shows variable atrophy of the cerebrum, brain stem, and cerebellum. The clinical features correlate with the length of the polyglutamine expansion but are not absolutely predictive of the clinical course.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/337637">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_376107"><div><strong>Bilateral frontoparietal polymicrogyria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>376107</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.">C1847352</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Complex cortical dysplasia with other brain malformations-14A (CDCBM14A) is an autosomal recessive neurologic disorder characterized by global developmental delay with impaired intellectual development, motor delay, poor speech development, and early-onset seizures, often focal or atypical absence. Additional features may include strabismus, nystagmus, exo- or esotropia, axial hypotonia, and spasticity. Brain imaging shows bilateral frontoparietal polymicrogyria, a frontal-predominant cobblestone malformation of the cortex, scalloping of the cortical/white matter junction, enlarged ventricles, and hypoplasia of the pons, brainstem, and cerebellum. The disorder can be classified as a malformation of cortical development (summary by Parrini et al., 2009; Luo et al., 2011; Zulfiqar et al., 2021). For a discussion of genetic heterogeneity of CDCBM, see CDCBM1 (614039).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/376107">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341248"><div><strong>Familial isolated deficiency of vitamin E</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341248</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.">C1848533</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Untreated ataxia with vitamin E deficiency (AVED) generally manifests between ages five and 15 years. The first manifestations include progressive ataxia, clumsiness of the hands, loss of proprioception, and areflexia. Other features often observed are dysdiadochokinesia, dysarthria, positive Romberg sign, head titubation, decreased visual acuity, and positive Babinski sign. Although age of onset and disease course are more uniform within a given family, disease manifestations and their severity can vary even among sibs. When lifelong high-dose vitamin E supplementation is initiated in presymptomatic individuals, manifestations of AVED do not develop.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341248">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_338620"><div><strong>Charlevoix-Saguenay spastic ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>338620</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."><span class="highlight" style="background-color:">C1849140</span></a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is clinically characterized by a progressive cerebellar ataxia, peripheral neuropathy, and spasticity. Disease onset of classic ARSACS is often in early childhood, leading to delayed walking because of gait unsteadiness in very young toddlers, while an increasing number of individuals with disease onset in teenage or early-adult years are now being described. Typically the ataxia is followed by lower-limb spasticity and later by peripheral neuropathy – although pronounced peripheral neuropathy has been observed as a first sign of ARSACS. Oculomotor disturbances, dysarthria, and upper-limb ataxia develop with slower progression than the other findings. Brain imaging demonstrates atrophy of the superior vermis and the cerebellar hemisphere with additional findings on MRI, such as linear hypointensities in the pons and hyperintense rims around the thalami. Many affected individuals (though not all) have yellow streaks of hypermyelinated fibers radiating from the edges of the optic disc noted on ophthalmologic exam, and thickened retinal fibers can be demonstrated by optical coherence tomography. Mild intellectual disability, hearing loss, and urinary urgency and incontinence have been reported in some individuals.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/338620">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_376792"><div><strong>Neuronal ceroid lipofuscinosis 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>376792</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.">C1850442</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The neuronal ceroid lipofuscinoses (NCL; CLN) are a clinically and genetically heterogeneous group of neurodegenerative disorders characterized by the intracellular accumulation of autofluorescent lipopigment storage material in different patterns ultrastructurally. The lipopigment patterns observed most often in CLN5 comprise mixed combinations of 'granular,' 'curvilinear,' and 'fingerprint' profiles. The clinical course includes progressive dementia, seizures, and progressive visual failure (Mole et al., 2005). For a general phenotypic description and a discussion of genetic heterogeneity of CLN, see CLN1 (256730).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/376792">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_343973"><div><strong>Autosomal recessive ataxia, Beauce type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343973</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.">C1853116</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SYNE1 deficiency comprises a phenotypic spectrum that ranges from autosomal recessive cerebellar ataxia at the mild end to arthrogryposis multiplex congenita (AMC) at the severe end. SYNE1-deficient cerebellar ataxia, the most commonly recognized manifestation of SYNE1 deficiency to date, is a slowly progressive disorder typically beginning in adulthood (age range 6-45 years). While some individuals have a pure cerebellar syndrome (i.e., cerebellar ataxia, dysarthria, dysmetria, abnormalities in ocular saccades and smooth pursuit), many also have upper motor neuron dysfunction (spasticity, hyperreflexia, Babinski sign) and/or lower motor neuron dysfunction (amyotrophy, reduced reflexes, fasciculations). Most individuals develop features of the cerebellar cognitive and affective syndrome (i.e., significant deficits in attention, executive functioning, verbal working memory, and visuospatial/visuoconstructional skills). The two less common phenotypes are SYNE1-deficient childhood-onset multisystem disease (ataxia, upper and lower motor neuron dysfunction, muscle weakness and wasting, intellectual disability) and SYNE1-deficient arthrogryposis multiplex congenita (decreased fetal movements and severe neonatal hypotonia associated with multiple congenital joint contractures including clubfoot).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/343973">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_343106"><div><strong>Spinocerebellar ataxia type 14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343106</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.">C1854369</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 14 (SCA14) is characterized by slowly progressive cerebellar ataxia, dysarthria, and nystagmus. Axial myoclonus, cognitive impairment, tremor, and sensory loss may also be observed. Parkinsonian features including rigidity and tremor have been described in some families. Findings seen in other ataxia disorders (e.g., dysphagia, dysphonia) may also occur in SCA14. The average age of onset is in the 30s, with a range from childhood to the seventh decade. Life span is not shortened.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/343106">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_343245"><div><strong>Mitochondrial myopathy-lactic acidosis-deafness syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343245</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.">C1855033</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare metabolic myopathy presenting during childhood, and characterized clinically by growth failure, severe muscle weakness, and moderate sensorineural deafness and biochemically by metabolic acidosis, elevated serum pyruvate concentration, hyperalaninemia and hyperalaninuria. There have been no further descriptions in the literature since 1973.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/343245">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_346658"><div><strong>Neurodegeneration with brain iron accumulation 2B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346658</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.">C1857747</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PLA2G6-associated neurodegeneration (PLAN) comprises a continuum of three phenotypes with overlapping clinical and radiologic features: Infantile neuroaxonal dystrophy (INAD). Atypical neuroaxonal dystrophy (atypical NAD). PLA2G6-related dystonia-parkinsonism. INAD usually begins between ages six months and three years with psychomotor regression or delay, hypotonia, and progressive spastic tetraparesis. Many affected children never learn to walk or lose the ability shortly after attaining it. Strabismus, nystagmus, and optic atrophy are common. Disease progression is rapid, resulting in severe spasticity, progressive cognitive decline, and visual impairment. Many affected children do not survive beyond their first decade. Atypical NAD shows more phenotypic variability than INAD. In general, onset is in early childhood but can be as late as the end of the second decade. The presenting signs may be gait instability, ataxia, or speech delay and autistic features, which are sometimes the only evidence of disease for a year or more. Strabismus, nystagmus, and optic atrophy are common. Neuropsychiatric disturbances including impulsivity, poor attention span, hyperactivity, and emotional lability are also common. The course is fairly stable during early childhood and resembles static encephalopathy but is followed by neurologic deterioration between ages seven and 12 years. PLA2G6-related dystonia-parkinsonism has a variable age of onset, but most individuals present in early adulthood with gait disturbance or neuropsychiatric changes. Affected individuals consistently develop dystonia and parkinsonism (which may be accompanied by rapid cognitive decline) in their late teens to early twenties. Dystonia is most common in the hands and feet but may be more generalized. The most common features of parkinsonism in these individuals are bradykinesia, resting tremor, rigidity, and postural instability.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/346658">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_347653"><div><strong>Spinocerebellar ataxia type 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>347653</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.">C1858501</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Rare disease with manifestations of action tremor associated with relatively mild cerebellar ataxia. Associated pyramidal and extrapyramidal signs and dementia have been reported. Prevalence is unknown. Approximately 40 families have been reported. The pathogenesis seems to be related to a toxic effect at the RNA level as it is caused by a CAG expansion at the 5'' end of the PPP2R2B gene on chromosome 5q31-5q32.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/347653">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_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_355137"><div><strong>Huntington disease-like 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355137</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.">C1864112</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/355137">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_369786"><div><strong>Spinocerebellar ataxia type 10</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>369786</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.">C1963674</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 10 (SCA10) is characterized by slowly progressive cerebellar ataxia that usually starts as poor balance and unsteady gait, followed by upper-limb ataxia, scanning dysarthria, and dysphagia. Abnormal tracking eye movements are common. Recurrent seizures after the onset of gait ataxia have been reported with variable frequencies among different families. Some individuals have cognitive dysfunction, behavioral disturbances, mood disorders, mild pyramidal signs, and peripheral neuropathy. Age of onset ranges from 12 to 48 years.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/369786">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370715"><div><strong>Spastic ataxia 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370715</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.">C1969645</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare genetic autosomal recessive spastic ataxia disease with characteristics of cerebellar ataxia, spasticity, cerebellar (and in some cases cerebral) atrophy, dystonia and leucoencephalopathy. Caused by homozygous or compound heterozygous complex genomic rearrangements involving the MARS2 gene on chromosome 2q33.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/370715">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>
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<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_409971"><div><strong>COG8-congenital disorder of glycosylation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>409971</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.">C1970021</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Syndrome with characteristics of severe psychomotor retardation, failure to thrive and intolerance to wheat and dairy products. So far, only two cases have been described. The disease is caused by mutations in the COG8 gene, which encodes a subunit of the COG complex. This complex is involved vesicle transport in the Golgi apparatus.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/409971">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_436373"><div><strong>PHARC syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>436373</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.">C2675204</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
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<div class="spaceAbove">Fiskerstrand type peripheral neuropathy is a slowly-progressive Refsum-like disorder associating signs of peripheral neuropathy with late-onset hearing loss, cataract and pigmentary retinopathy that become evident during the third decade of life.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/436373">Condition Record</a></div></div>
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<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>
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||
<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_440688"><div><strong>Joubert syndrome 10</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>440688</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.">C2749019</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Classic Joubert syndrome (JS) is characterized by three primary findings: A distinctive cerebellar and brain stem malformation called the molar tooth sign (MTS). Hypotonia. Developmental delays. Often these findings are accompanied by episodic tachypnea or apnea and/or atypical eye movements. In general, the breathing abnormalities improve with age, truncal ataxia develops over time, and acquisition of gross motor milestones is delayed. Cognitive abilities are variable, ranging from severe intellectual disability to normal. Additional findings can include retinal dystrophy, renal disease, ocular colobomas, occipital encephalocele, hepatic fibrosis, polydactyly, oral hamartomas, and endocrine abnormalities. Both intra- and interfamilial variation are seen.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/440688">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_413042"><div><strong>Hereditary spastic paraplegia 44</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>413042</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.">C2750784</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A very rare, complex form of hereditary spastic paraplegia characterised by a late-onset, slowly progressive spastic paraplegia associated with mild ataxia and dysarthria, upper extremity involvement (i.e. loss of finger dexterity, dysmetria), and mild cognitive impairment, without the presence of nystagmus. A hypomyelinating leucodystrophy and thin corpus callosum is observed in all cases and psychomotor development is normal or near normal. Caused by mutations in the GJC2 gene (1q41-q42) encoding the gap junction gamma-2 protein.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/413042">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_414553"><div><strong>Oxoglutaricaciduria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>414553</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.">C2752074</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oxoglutarate dehydrogenase deficiency (OGDHD) is an autosomal recessive disorder associated with features of infantile- and pediatric-onset basal ganglia-associated movement disorders, hypotonia, developmental delays, ataxia, and seizures (summary by Yap et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/414553">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462251"><div><strong>Hereditary spastic paraplegia 48</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462251</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.">C3150901</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-48 (SPG48) is an autosomal recessive neurologic disorder characterized by spasticity of the lower limbs resulting in gait difficulties. Most patients have onset in mid- or late-adulthood, although childhood onset has been reported in 1 patient. Additional features may include parkinsonism, urinary incontinence, neuropathy, and mild cognitive impairment (summary by Hirst 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/462251">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462348"><div><strong>Autosomal recessive spinocerebellar ataxia 10</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462348</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.">C3150998</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-10 is an autosomal recessive neurodegenerative disorder with onset in the teenage or young adult years of gait and limb ataxia, dysarthria, and nystagmus associated with marked cerebellar atrophy on brain imaging (summary by Vermeer et al., 2010). Some patients have low levels of coenzyme Q10 (CoQ10) in muscle and may show some clinical improvement with CoQ10 treatment (Balreira et al., 2014).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462348">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482045"><div><strong>Cognitive impairment with or without cerebellar ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482045</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.">C3280415</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SCN8A-related epilepsy and/or neurodevelopmental disorders encompasses a spectrum of phenotypes. Epilepsy phenotypes include developmental and epileptic encephalopathy (DEE) associated with severe developmental delays and usually pharmacoresistant epilepsy with multiple seizure types; mild-to-moderate developmental and epileptic encephalopathy (mild/modDEE, or intermediate epilepsy) with partially treatable epilepsy; self-limited familial infantile epilepsy (SeLFIE, also known as benign familial infantile epilepsy or BFIE) with normal cognition and medically treatable seizures; neurodevelopmental delays with generalized epilepsy (NDDwGE); and neurodevelopmental disorder without epilepsy (NDDwoE) with mild-to-moderate intellectual disability (though it can be severe in ~10% of affected individuals). Hypotonia and movement disorders including dystonia, ataxia, and choreoathetosis are common in some phenotypes. Sudden unexpected death in epilepsy (SUDEP) has been reported in some affected individuals.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482045">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_482607"><div><strong>Spastic ataxia 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482607</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.">C3280977</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic ataxia-5 (SPAX5) is an autosomal recessive neurodegenerative disorder characterized by early-onset spasticity resulting in significantly impaired ambulation, cerebellar ataxia, oculomotor apraxia, dystonia, and myoclonic epilepsy (summary by Pierson et al., 2011). For a discussion of genetic heterogeneity of spastic ataxia, see SPAX1 (108600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482607">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_501249"><div><strong>Hereditary spastic paraplegia 35</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>501249</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.">C3496228</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Fatty acid hydroxylase-associated neurodegeneration (FAHN) is characterized early in the disease course by central nervous system involvement including corticospinal tract involvement (spasticity), mixed movement disorder (ataxia/dystonia), and eye findings (optic atrophy, oculomotor abnormalities), and later in the disease course by progressive intellectual impairment and seizures. With disease progression, dystonia and spasticity compromise the ability to ambulate, leading to wheelchair dependence. Life expectancy is variable. FAHN is considered to be a subtype of neurodegeneration with brain iron accumulation (NBIA).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/501249">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_762040"><div><strong>Pontine tegmental cap dysplasia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>762040</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.">C3541340</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pontine tegmental cap dysplasia (PTCD) refers to a neurologic condition characterized by a distinct pattern of hindbrain malformations apparent on brain imaging. The abnormalities affect the pons, medulla, and cerebellum. In neuroradiologic studies, the ventral side of the pons is flattened, whereas there is vaulting ('capping') of the dorsal pontine border into the fourth ventricle. Affected individuals show a variety of neurologic deficits, most commonly sensorineural deafness, impaired cranial nerve function, and variable psychomotor retardation (summary by Barth et al., 2007).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/762040">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_762260"><div><strong>Hereditary spastic paraplegia 49</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>762260</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.">C3542549</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">TECPR2-related hereditary sensory and autonomic neuropathy with intellectual disability (TECPR2-HSAN with ID) is characterized by developmental delay and subsequent intellectual disability, behavioral abnormalities, neurologic manifestations (muscular hypotonia, sensory neuropathy with lower-limb hypo- or areflexia and ataxic gait), and autonomic dysfunction (including central hypoventilation and apnea, gastrointestinal dysmotility, dysphagia, and gastroesophageal reflux disease with recurrent aspiration). To date, more than 30 individuals with TECPR2-HSAN with ID have been identified.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/762260">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_766575"><div><strong>Cerebellar dysfunction with variable cognitive and behavioral abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>766575</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.">C3553661</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cerebellar dysfunction with variable cognitive and behavioral abnormalities (CECBA) is an autosomal dominant neurologic disorder with significant phenotypic heterogeneity, even within families. The disorder is most often diagnosed through genetic analysis with retrospective clinical phenotyping. Symptom onset is usually in early childhood, although later onset, even in adulthood, has been reported. Most affected individuals show global developmental delay from early childhood, particularly of motor and language skills. Many have mild intellectual disability; behavioral and psychiatric abnormalities such as autism and obsessive-compulsive disorder are also often observed. The movement disorder is prominent and may include cerebellar signs such as ataxia, tremor, dysmetria, poor coordination, and dysarthria. Other abnormal movements including spasticity, myoclonus, and dystonia have been reported, thus widening the phenotypic spectrum. Brain imaging is usually normal, but may show cerebellar atrophy or nonspecific white matter lesions. Variable dysmorphic facial features may also be present (summary by Thevenon et al., 2012; Jacobs et al., 2021; Wijnen et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/766575">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_766874"><div><strong>Peroxisome biogenesis disorder 8B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>766874</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.">C3553960</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 PEX16 gene have cells of complementation group 9 (CG9, equivalent to CGD). For information on the history of PBD complementation groups, see 214100.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/766874">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_767604"><div><strong>Ataxia with oculomotor apraxia type 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767604</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.">C3554690</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">AOA3 is an autosomal recessive progressive neurologic disorder with onset in the second decade of life (Al Tassan et al., 2012). For a discussion of genetic heterogeneity of ataxia-oculomotor apraxia, see AOA1 (208920).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767604">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_813897"><div><strong>Partial lipodystrophy, congenital cataracts, and neurodegeneration syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>813897</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.">C3807567</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Lipodystrophies are rare disorders characterized by loss of body fat from various regions and predisposition to metabolic complications of insulin resistance and lipid abnormalities. FPLD7 is an autosomal dominant disorder with a highly variable phenotype. Additional features, including early-onset cataracts and later onset of spasticity of the lower limbs, have been noted in some patients (summary by Garg et al., 2015). For a general phenotypic description and a discussion of genetic heterogeneity of familial partial lipodystrophy (FPLD), see 151660.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/813897">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815995"><div><strong>Early-onset progressive neurodegeneration-blindness-ataxia-spasticity syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815995</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.">C3809665</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-79B (SPG79B) is an autosomal recessive progressive neurologic disorder characterized by onset of spastic paraplegia and optic atrophy in the first decade of life. Additional features are variable, but may include peripheral neuropathy, cerebellar ataxia, and cognitive impairment (summary by Rydning et al., 2017). For a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815995">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_854733"><div><strong>Spinocerebellar ataxia type 35</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854733</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.">C3888031</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-35 (SCA35) is an autosomal dominant adult-onset neurologic disorder characterized by difficulty walking due to cerebellar ataxia. The age at onset ranges from teenage years to late adulthood, and the disorder is slowly progressive. Additional features may include hand tremor, dysarthria, hyperreflexia, and saccadic eye movements (summary by Guo et al., 2014). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854733">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_861227"><div><strong>Ataxia-telangiectasia-like disorder 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>861227</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.">C4012790</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Ataxia-telangiectasia-like disorder-1 is an autosomal recessive disorder characterized clinically by progressive cerebellar degeneration resulting in ataxia and oculomotor apraxia. Laboratory studies of patient cells showed increased susceptibility to radiation, consistent with a defect in DNA repair. The disorder shares some phenotypic features of ataxia-telangiectasia (AT; 208900), but telangiectases and immune deficiency are not present in ATLD1 (summary by Hernandez et al., 1993 and Stewart et al., 1999). Genetic Heterogeneity of Ataxia-Telangiectasia-Like Disorder See also ATLD2 (615919), caused by mutation in the PCNA gene (176740) on chromosome 20p12.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/861227">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863738"><div><strong>Autosomal recessive spinocerebellar ataxia 17</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863738</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.">C4015301</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-17 (SCAR17) is a neurologic disorder characterized by onset of gait ataxia and cerebellar signs in early childhood. Patients also have variably impaired intellectual development (summary by Evers et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863738">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863760"><div><strong>Hypomyelinating leukodystrophy 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863760</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.">C4015323</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypomyelinating leukodystrophy-9 (HLD9) is an autosomal recessive neurologic disorder characterized by onset of delayed psychomotor development, spasticity, and nystagmus in the first year of life. Additional neurologic features such as ataxia and abnormal movements may also occur. Brain imaging shows diffuse hypomyelination affecting all regions of the brain (summary by Wolf et al., 2014). For a general phenotypic description and a discussion of genetic heterogeneity of HLD, see 312080.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863760">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863942"><div><strong>Autosomal recessive spinocerebellar ataxia 18</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863942</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.">C4015505</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-18 (SCAR18) is a neurologic disorder characterized by delayed psychomotor development, severely impaired gait due to cerebellar ataxia, ocular movement abnormalities, and intellectual disability. Brain imaging shows progressive cerebellar atrophy (summary by Hills et al., 2013).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863942">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_864165"><div><strong>Neurologic, endocrine, and pancreatic disease, multisystem, infantile-onset 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>864165</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.">C4015728</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Infantile-onset multisystem neurologic, endocrine, and pancreatic disease-1 (IMNEPD1) is an autosomal recessive multisystemic disorder with variable expressivity. The core features usually include global developmental delay with impaired intellectual development and speech delay, ataxia, sensorineural hearing loss, and pancreatic insufficiency. Additional features may include peripheral neuropathy, postnatal microcephaly, dysmorphic facial features, and cerebellar atrophy. However, some patients may not display all features (summary by Picker-Minh et al., 2016, Sharkia et al., 2017). Genetic Heterogeneity of Infantile-Onset Multisystem Neurologic, Endocrine, and Pancreatic Disease See also IMNEPD2 (619418), caused by mutation in the YARS1 gene (603623) on chromosome 1p35.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/864165">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_905319"><div><strong>Joubert syndrome 24</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>905319</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.">C4084841</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Classic Joubert syndrome (JS) is characterized by three primary findings: A distinctive cerebellar and brain stem malformation called the molar tooth sign (MTS). Hypotonia. Developmental delays. Often these findings are accompanied by episodic tachypnea or apnea and/or atypical eye movements. In general, the breathing abnormalities improve with age, truncal ataxia develops over time, and acquisition of gross motor milestones is delayed. Cognitive abilities are variable, ranging from severe intellectual disability to normal. Additional findings can include retinal dystrophy, renal disease, ocular colobomas, occipital encephalocele, hepatic fibrosis, polydactyly, oral hamartomas, and endocrine abnormalities. Both intra- and interfamilial variation are seen.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/905319">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_896387"><div><strong>Hereditary spastic paraplegia 75</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>896387</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.">C4225250</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-75 (SPG75) is an autosomal recessive, slowly progressive neurodegenerative disorder characterized by onset of spastic paraplegia and cognitive impairment in childhood (summary by Lossos 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/896387">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_895448"><div><strong>Short stature, microcephaly, and endocrine dysfunction</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>895448</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.">C4225288</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">In patients with SSMED, short stature and microcephaly are apparent at birth, and there is progressive postnatal growth failure. Endocrine dysfunction, including hypergonadotropic hypogonadism, multinodular goiter, and diabetes mellitus, is present in affected adults. Progressive ataxia has been reported in some patients, with onset ranging from the second to fifth decade of life. In addition, a few patients have developed tumors, suggesting that there may be a predisposition to tumorigenesis. In contrast to syndromes involving defects in other components of the nonhomologous end-joining (NHEJ) complex (see, e.g., 606593), no clinically overt immunodeficiency has been observed in SSMED, although laboratory analysis has revealed lymphopenia or borderline leukopenia in some patients (Murray et al., 2015; Bee et al., 2015; de Bruin et al., 2015; Guo et al., 2015).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/895448">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_901897"><div><strong>Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>901897</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.">C4225312</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive progressive external ophthalmoplegia with mitochondrial DNA deletions-2 (PEOB2) is a mitochondrial disorder characterized by adult onset of progressive external ophthalmoplegia, exercise intolerance, muscle weakness, and signs and symptoms of spinocerebellar ataxia, such as impaired gait and dysarthria. Some patients may have respiratory insufficiency. Laboratory studies are consistent with a defect in mtDNA replication (summary by Reyes et al., 2015). For a discussion of genetic heterogeneity of autosomal recessive PEO, see PEOB1 (258450).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/901897">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_898996"><div><strong>Lichtenstein-Knorr syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>898996</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.">C4225383</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Lichtenstein-Knorr syndrome is an autosomal recessive neurologic disorder characterized by postnatal onset of severe progressive sensorineural hearing loss and progressive cerebellar ataxia. Features usually develop in childhood or young adulthood (summary by Guissart et al., 2015). Some patients with SLC9A1 mutations may not have deafness (Iwama et al., 2018)</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/898996">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_924303"><div><strong>Sialidosis type 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>924303</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.">C4282398</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Sialidosis is an autosomal recessive disorder characterized by the progressive lysosomal storage of sialylated glycopeptides and oligosaccharides caused by a deficiency of the enzyme neuraminidase. Common to the sialidoses is the accumulation and/or excretion of sialic acid (N-acetylneuraminic acid) covalently linked ('bound') to a variety of oligosaccharides and/or glycoproteins (summary by Lowden and O'Brien, 1979). The sialidoses are distinct from the sialurias in which there is storage and excretion of 'free' sialic acid, rather than 'bound' sialic acid; neuraminidase activity in sialuria is normal or elevated. Salla disease (604369) is a form of 'free' sialic acid disease. Classification Lowden and O'Brien (1979) provided a logical nosology of neuraminidase deficiency into sialidosis type I and type II. Type I is the milder form, also known as the 'normosomatic' type or the cherry red spot-myoclonus syndrome. Sialidosis type II is the more severe form with an earlier onset, and is also known as the 'dysmorphic' type. Type II has been subdivided into juvenile and infantile forms. Other terms for sialidosis type II are mucolipidosis I and lipomucopolysaccharidosis.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/924303">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934585"><div><strong>Hypotonia, ataxia, and delayed development syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934585</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.">C4310618</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">EBF3 neurodevelopmental disorder (EBF3-NDD) is associated with developmental delay (DD) / intellectual disability (ID), speech delay, gait or truncal ataxia, hypotonia, behavioral problems, and facial dysmorphism. Variability between individuals with EBF3-NDD is significant. Although all affected children have DD noted in early infancy, intellect generally ranges from mild to severe ID, with two individuals functioning in the low normal range. Less common issues can include genitourinary abnormalities and gastrointestinal and/or musculoskeletal involvement. To date, 42 symptomatic individuals from 39 families have been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934585">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934591"><div><strong>Congenital bile acid synthesis defect 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934591</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.">C4310624</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital bile acid synthesis defect-6 (CBAS6) is characterized by persistent hypertransaminasemia and accumulation of C27 bile acids (summary by Alonso-Pena et al., 2022). For a general phenotypic description and a discussion of genetic heterogeneity of congenital bile acid synthesis defects, see CBAS1 (607765).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934591">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934595"><div><strong>Optic atrophy 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934595</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.">C4310628</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Optic atrophy-11 (OPA11) is an autosomal recessive disorder characterized by delayed psychomotor development, intellectual disability, ataxia, optic atrophy, and leukoencephalopathy on brain imaging. Laboratory studies are consistent with mitochondrial dysfunction (summary by Hartmann et al., 2016). For a discussion of genetic heterogeneity of optic atrophy, see OPA1 (165500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934595">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_934748"><div><strong>Spinocerebellar ataxia, autosomal recessive 22</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934748</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.">C4310781</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any autosomal recessive cerebellar ataxia in which the cause of the disease is a mutation in the VWA3B gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934748">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_1611168"><div><strong>Spinocerebellar ataxia 44</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1611168</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.">C4521563</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/1611168">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1625619"><div><strong>Galloway-Mowat syndrome 2, X-linked</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1625619</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.">C4538784</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Galloway-Mowat syndrome is a renal-neurologic disease characterized by early-onset nephrotic syndrome associated with microcephaly, gyral abnormalities of the brain, and delayed psychomotor development. Most patients have dysmorphic facial features, often including hypertelorism, ear abnormalities, and micrognathia. Other features, such as arachnodactyly and visual impairment, are more variable. Most patients die in the first years of life (summary by Braun et al., 2017). For a general phenotypic description and a discussion of genetic heterogeneity of GAMOS, see GAMOS1 (251300).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1625619">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1618081"><div><strong>Spinocerebellar ataxia, autosomal recessive 25</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1618081</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.">C4539808</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/1618081">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1617917"><div><strong>Spinocerebellar ataxia, autosomal recessive 26</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1617917</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.">C4539948</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/1617917">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_1624251"><div><strong>Spinocerebellar ataxia 46</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1624251</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.">C4540404</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare autosomal dominant cerebellar ataxia with characteristics of slowly progressive late-onset cerebellar ataxia variably combined with sensory axonal neuropathy. Patients may present gait and limb ataxia, dysarthria, abnormal oculomotor function and distal sensory impairment. Cerebellar atrophy is typically mild or absent.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1624251">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1622296"><div><strong>Intellectual disability, autosomal recessive 61</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1622296</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.">C4540424</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MRT61 is an autosomal recessive neurodevelopmental disorder characterized by delayed psychomotor development, moderate to severe intellectual disability, and variable dysmorphic facial features. More severely affected patients may develop refractory seizures and have brain abnormalities, including hypoplasia of the corpus callosum (summary by Alwadei et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1622296">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_1639436"><div><strong>Cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1639436</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.">C4551552</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">VLDLR cerebellar hypoplasia (VLDLR-CH) is characterized by non-progressive congenital ataxia that is predominantly truncal and results in delayed ambulation, moderate-to-profound intellectual disability, dysarthria, strabismus, and seizures. Children either learn to walk very late (often after age 6 years) or never achieve independent ambulation. Brain MRI findings include hypoplasia of the inferior portion of the cerebellar vermis and hemispheres, simplified gyration of the cerebral hemispheres, and small brain stem – particularly the pons.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1639436">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_1636349"><div><strong>Spinocerebellar ataxia 47</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1636349</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.">C4693672</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-47 (SCA47) is an autosomal dominant neurologic disorder characterized by slowly progressive gait ataxia. Additional features usually include diplopia, dysarthria, and dysmetria. Brain imaging shows atrophy of the cerebellar vermis. The age at onset is variable: affected members in 1 reported family developed symptoms as adults in their thirties or forties, whereas 1 unrelated girl had onset in the first decade (Gennarino et al., 2018). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1636349">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1643082"><div><strong>Multiple mitochondrial dysfunctions syndrome 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1643082</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.">C4693741</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Multiple mitochondrial dysfunctions syndrome-6 is an autosomal recessive severe neurodegenerative disorder with onset in early childhood. Affected individuals may have initial normal development, but show neurologic regression in the first year of life. They have hypotonia, inability to walk, poor speech, intellectual disability, and motor abnormalities, such as ataxia, dystonia, and spasticity. Some patients may die in childhood. Laboratory evidence indicates that the disorder results from mitochondrial dysfunction (summary by Vogtle et al., 2018). For a general description and a discussion of genetic heterogeneity of multiple mitochondrial dysfunctions syndrome, see MMDS1 (605711).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1643082">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1631337"><div><strong>Leukodystrophy, hypomyelinating, 16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1631337</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.">C4693779</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypomyelinating leukodystrophy-16 (HLD16) is an autosomal dominant neurologic disorder characterized by onset of hypotonia, nystagmus, and mildly delayed motor development in infancy. Affected individuals have motor disabilities, including ataxic or broad-based gait, hyperreflexia, intention tremor, dysmetria, and a mild pyramidal syndrome. Some patients have cognitive impairment, whereas others may have normal cognition or mild intellectual disability with speech difficulties. Brain imaging typically shows hypomyelination, leukodystrophy, and thin corpus callosum (summary by Simons et al., 2017). For a general phenotypic description and a discussion of genetic heterogeneity of hypomyelinating leukodystrophy, see 312080.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1631337">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_1636182"><div><strong>Autosomal recessive spinocerebellar ataxia 14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1636182</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.">C4706415</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-14 (SCAR14) is a neurologic disorder characterized by delayed psychomotor development, severe early-onset gait ataxia, eye movement abnormalities, cerebellar atrophy on brain imaging, and impaired intellectual development (summary by Lise et al., 2012).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1636182">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_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_1648308"><div><strong>Spinocerebellar ataxia 42, early-onset, severe, with neurodevelopmental deficits</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648308</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.">C4748120</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/1648308">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648345"><div><strong>Neurodevelopmental disorder with regression, abnormal movements, loss of speech, and seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648345</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.">C4748127</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">IRF2BPL-related disorder is characterized by mild-to-profound developmental delay (with regression in many individuals), intellectual disability, seizures (generalized tonic-clonic, myoclonic, absence, focal tonic-clonic, complex partial, infantile spasms, and/or atonic seizures), movement disorder (ataxia, dystonia, tremor, and parkinsonism), spasticity, and neurobehavioral/psychiatric manifestations (autism spectrum disorder, autistic features, anxiety, depression, and psychosis). Feeding issues, gastrointestinal dysmotility, and ophthalmologic manifestations are also reported. Brain MRI can show focal or diffuse cortical and/or subcortical atrophy, cerebellar atrophy (particularly of the vermis), brain stem atrophy, and corpus callosum abnormalities including thinning/atrophy or thickening. Onset is highly variable and can be in the first year of life through the sixth decade. In some individuals the course of the disorder is progressive or debilitating.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648345">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_1648331"><div><strong>Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648331</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.">C4748184</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/1648331">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648391"><div><strong>Neurodegeneration, childhood-onset, stress-induced, with variable ataxia and seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648391</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.">C4748527</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Stress-induced childhood-onset neurodegeneration with variable ataxia and seizures (CONDSIAS) is an autosomal recessive neurodegenerative disorder with onset in the first years of life following normal early development. Patient have cyclic episodic deterioration in response to stress, such as infection or febrile illness. The severity is highly variable: some patients develop seizures early in life that are associated with loss of developmental milestones and early sudden death in childhood, whereas others present at a later age with muscle weakness, gait ataxia, impaired speech, more subtle clinical deterioration, and cognitive decline. Neurologic involvement includes gait ataxia, cerebellar signs associated with cerebellar atrophy, generalized brain atrophy, impaired intellectual development, hearing loss, and peripheral neuropathy (summary by Ghosh et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648391">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648426"><div><strong>Mitochondrial complex 1 deficiency, nuclear type 10</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648426</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.">C4748768</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/1648426">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648395"><div><strong>Mitochondrial complex 1 deficiency, nuclear type 31</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648395</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.">C4748838</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/1648395">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1683911"><div><strong>Basal ganglia calcification, idiopathic, 7, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1683911</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.">C5193025</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive idiopathic basal ganglia calcification-7 is a neurologic disorder characterized by onset of symptoms in adulthood. Patients present with dysarthria, gait abnormalities, various movement abnormalities, and often cognitive decline. Brain imaging shows abnormal accumulation of calcium deposits in deep brain regions, including the basal ganglia, thalamus, dentate nuclei, cerebellum, and sometimes other areas of the brain and spinal cord. Some patients with brain imaging abnormalities may be clinically asymptomatic (summary by Yao et al., 2018). For a detailed phenotypic description and a discussion of genetic heterogeneity of IBGC, see IBGC1 (213600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1683911">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1674767"><div><strong>Neurodevelopmental disorder with central and peripheral motor dysfunction</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1674767</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.">C5193049</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with central and peripheral motor dysfunction (NEDCPMD) is an autosomal recessive neurologic disorder with a highly variable phenotype. At the severe end of the spectrum, patients may have hypotonia apparent from birth, necessitating mechanical respiration and tube-feeding, and global developmental delay with absence of reaction to touch and no eye contact. At the mild end of the spectrum, patients may present with infantile-onset progressive ataxia and demyelinating peripheral neuropathy. The disorder is caused by mutation in the NFASC gene, which has several neuronal- and glial-specific transcripts. The variable clinical phenotype may be caused by several factors, including the severity of the mutation, the selective involvement of distinct isoforms by pathogenic variants, and the presence of genetic modifiers (summary by Monfrini et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1674767">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1677730"><div><strong>Leukoencephalopathy, acute reversible, with increased urinary alpha-ketoglutarate</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1677730</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.">C5193068</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Acute reversible leukoencephalopathy with increased urinary alpha-ketoglutarate (ARLIAK) is an autosomal recessive disorder characterized by acute reversible neurologic deterioration in the context of a febrile illness. The disorder is associated with transient leukoencephalopathy on brain imaging concurrent with the acute episode, as well as persistently increased excretion of dicarboxylic acids, particularly alpha-ketoglutarate (summary by Dewulf et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1677730">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_1680067"><div><strong>Leukodystrophy, hypomyelinating, 18</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1680067</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.">C5193078</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypomyelinating leukodystrophy-18 (HLD18) is an autosomal recessive neurologic disorder characterized by onset of global developmental delay usually in early infancy. Affected individuals have very poor psychomotor development, including inability to sit or walk independently in the more severe cases, as well as poor or absent speech, dystonia, and spasticity. A subset of patients may develop seizures. Brain imaging shows hypomyelinating leukodystrophy affecting various brain regions; some patients may also have progressive atrophy of the corpus callosum, thalami, and cerebellum (summary by Pant et al., 2019). For a general phenotypic description and a discussion of genetic heterogeneity of hypomyelinating leukodystrophy, see 312080.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1680067">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1680026"><div><strong>Spastic ataxia 9, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1680026</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.">C5193100</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/1680026">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1683734"><div><strong>Cerebellar atrophy with seizures and variable developmental delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1683734</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.">C5193132</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cerebellar atrophy with seizures and variable developmental delay (CASVDD) is an autosomal recessive neurologic disorder characterized by cerebellar ataxia associated with atrophy of the cerebellar vermis on brain imaging. Most patients also have onset of severe refractory seizures in the first year of life and show global developmental delay, compatible with epileptic encephalopathy (summary by Edvardson et al., 2013). However, at least 1 patient with normal cognitive development and only 1 febrile seizure has been reported (Valence et al., 2019), suggesting significant clinical variability of this disorder.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1683734">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_1684698"><div><strong>Leukodystrophy, hypomyelinating, 19, transient infantile</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684698</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.">C5231463</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Transient infantile hypomyelinating leukodystrophy-19 (HLD19) is a disorder characterized by onset of transient neurologic abnormalities in early infancy, with resolution within the first or second decades. Affected individuals typically present in the newborn period or in early infancy with nystagmus and motor deficits associated with marked hypomyelination on brain imaging. Both neurologic impairment and abnormal brain imaging spontaneously resolve during childhood. Most patients have normal cognition and can attend regular schools, although some may have persistent neurologic deficits, such as gait ataxia, speech pronunciation defects, and/or mild cognitive impairment (summary by Yan et al., 2019). For a discussion of genetic heterogeneity of HLD, see 312080.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684698">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1710020"><div><strong>Hereditary spastic paraplegia 30</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1710020</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.">C5235139</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-30A (SPG30A) is a neurologic disorder characterized by onset of slowly progressive spastic paraplegia in the first or second decades of life. Affected individuals have unsteady spastic gait and hyperreflexia of the lower limbs. Most patients have a 'pure' form of the disorder, limited to spastic paraplegia, whereas some may have a 'complicated' form that includes mild cognitive dysfunction, learning disabilities, or behavioral abnormalities, peripheral axonal sensorimotor neuropathy, and urinary sphincter problems. The phenotypic features represent a spectrum of abnormalities of the central, peripheral, and autonomic nervous system (summary by Pennings et al., 2020). For a discussion of genetic heterogeneity of autosomal dominant spastic paraplegia, see SPG3A (182600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1710020">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1715138"><div><strong>Retinal dystrophy with leukodystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1715138</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.">C5394315</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinal dystrophy and leukodystrophy (RDLKD) is a peroxisomal enzyme deficiency caused by impaired very long chain fatty acid (VLCFA) metabolism. Patients exhibit ataxia and spastic paraparesis as well as developmental delay, and may show facial dysmorphism (Ferdinandusse et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1715138">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_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_1750805"><div><strong>Neurodevelopmental disorder with cardiomyopathy, spasticity, and brain abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1750805</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.">C5436848</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with cardiomyopathy, spasticity, and brain abnormalities (NEDCASB) is an autosomal recessive multisystemic disorder characterized by global neurodevelopmental delay, severely impaired intellectual development, poor overall growth, and spasticity of the lower limbs resulting in gait difficulties. Most affected individuals also develop progressive hypertrophic cardiomyopathy in childhood or have cardiac developmental anomalies. Additional more variable features include dysmorphic facies and axonal sensory peripheral neuropathy. Brain imaging tends to show thin corpus callosum and polymicrogyria (summary by Garcia-Cazorla et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1750805">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1778162"><div><strong>Epilepsy, progressive myoclonic, 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1778162</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.">C5543069</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Progressive myoclonic epilepsy-12 (EPM12) is an autosomal recessive neurologic disorder characterized by onset of tonic-clonic seizures and/or myoclonus in the second decade of life. Affected individuals develop cerebellar ataxia associated with progressive cerebral and cerebellar atrophy on brain imaging. Most patients lose ambulation and become wheelchair-bound. Additional more variable features include mild cognitive dysfunction or psychiatric manifestations, such as depression or anxiety (summary by Mazzola et al., 2021). For a discussion of genetic heterogeneity of progressive myoclonic epilepsy, see EPM1A (254800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1778162">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1787902"><div><strong>Ataxia, intention tremor, and hypotonia syndrome, childhood-onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1787902</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.">C5543478</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Childhood-onset ataxia, intention tremor, and hypotonia syndrome (ATITHS) is a neurodevelopmental disorder characterized by delayed walking due to ataxia, intention tremor, and hypotonia apparent from early childhood. Affected individuals have global developmental delay with mildly impaired intellectual development and speech delay or learning disabilities. Eye movement abnormalities may also be present. Brain imaging shows cerebellar atrophy in some patients (summary by Webb et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1787902">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_1794215"><div><strong>Cerebellar ataxia, brain abnormalities, and cardiac conduction defects</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794215</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.">C5562005</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cerebellar ataxia, brain abnormalities, and cardiac conduction defects (CABAC) is an autosomal recessive primarily neurologic disorder with variable manifestations. Common features included infantile-onset hypotonia, poor motor development, poor feeding and overall growth, and ataxic gait due to cerebellar ataxia. Other features include dysarthria, nystagmus, variable ocular anomalies, spasticity, hyperreflexia, and nonspecific dysmorphic features. Most, but not all, patients have global developmental delay with impaired intellectual development and speech delay. Brain imaging shows cerebellar hypoplasia, often with brainstem hypoplasia, enlarged ventricles, delayed myelination, and thin corpus callosum. A significant number of patients develop cardiac conduction defects in childhood or adolescence, often requiring pacemaker placement (summary by Slavotinek et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794215">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1798906"><div><strong>Autosomal recessive spastic paraplegia type 76</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1798906</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.">C5567483</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-76 is an autosomal recessive neurologic disorder characterized by young-adult onset of slowly progressive spasticity of the lower limbs resulting in gait difficulties. Most affected individuals have upper limb involvement and additional features such as foot deformities and dysarthria. Cognition is unaffected (summary by Gan-Or et al., 2016). For a general phenotypic description and a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1798906">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1799985"><div><strong>Neonatal encephalomyopathy-cardiomyopathy-respiratory distress syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1799985</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.">C5568562</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Primary coenzyme Q10 deficiency-7 (COQ10D7) is an autosomal recessive disorder resulting from mitochondrial dysfunction. Most patients have onset of severe cardiac or neurologic symptoms soon after birth, usually resulting in death. Rare patients may have later onset with a more protracted course. Tissue samples from affected individuals show decreased levels of coenzyme Q10 (CoQ10) (summary by Brea-Calvo et al., 2015). 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/1799985">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1811526"><div><strong>Gastrointestinal defects and immunodeficiency syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1811526</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.">C5676901</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PI4KA-related disorder is a clinically variable disorder characterized primarily by neurologic dysfunction (limb spasticity, developmental delay, intellectual disability, seizures, ataxia, nystagmus), gastrointestinal manifestations (multiple intestinal atresia, inflammatory bowel disease), and combined immunodeficiency (leukopenia, variable immunoglobulin defects). Age of onset is typically antenatal or in early childhood; individuals can present with any combination of these features. Rare individuals present with later-onset hereditary spastic paraplegia. Brain MRI findings can include hypomyelinating leukodystrophy, cerebellar hypoplasia/atrophy, thin or dysplastic corpus callosum, and/or perisylvian polymicrogyria.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1811526">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1808634"><div><strong>Cerebellar dysfunction, impaired intellectual development, and hypogonadotropic hypogonadism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1808634</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.">C5676924</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cerebellar dysfunction, impaired intellectual development, and hypogonadotropic hypogonadism (CDIDHH) is characterized by delayed motor development, ataxia, severe progressive scoliosis, moderate to severe intellectual disability, and delayed sexual development. Cerebellar hypoplasia has been observed in some patients (Whittaker et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1808634">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1804209"><div><strong>Mitochondrial DNA depletion syndrome 20 (mngie type)</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1804209</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.">C5676934</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial DNA depletion syndrome-20 (MTDPS20) is an autosomal recessive multisystem disorder with variable manifestations and severity. Most patients develop symptoms in childhood, although the onset can range from infancy to the teenage years. Prominent features include severe gastrointestinal dysmotility often requiring parenteral nutrition, neurogenic bladder, and muscle weakness and atrophy. Neurologic involvement manifests as headaches, stroke-like episodes, seizures, pyramidal signs, and learning difficulties or cognitive decline. Brain imaging usually shows diffuse leukoencephalopathy and may show cerebellar atrophy. The disorder results from a defect in the maintenance and repair of mitochondrial DNA, resulting in mtDNA depletion and impaired mitochondrial function (summary by Bonora et al., 2021). For a discussion of genetic heterogeneity of mtDNA depletion syndromes, see MTDPS1 (603041).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1804209">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1805601"><div><strong>Spinocerebellar ataxia 49</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1805601</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.">C5676950</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-49 (SCA49) is an autosomal dominant neurologic disorder characterized initially by gait abnormalities, gaze-evoked nystagmus, and hyperreflexia. The age at onset is highly variable, ranging from the second to seventh decades, even within the same family. The disorder is slowly progressive, and later features may include dysarthria, dysmetria, diplopia, pyramidal signs, and axonal peripheral neuropathy. Brain imaging shows cerebellar atrophy and myelination defects (Corral-Juan et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1805601">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1809728"><div><strong>Peripheral motor neuropathy, childhood-onset, biotin-responsive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1809728</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.">C5676997</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Childhood-onset biotin-responsive peripheral motor neuropathy (COMNB) is an autosomal recessive disorder characterized predominantly by the onset of distal muscle weakness and atrophy late in the first decade of life. The disorder predominantly affects the upper limbs and hands, resulting in difficulties with fine motor skills. Some patients may have lower limb involvement, resulting in gait difficulties. Electrophysiologic studies and muscle biopsy are consistent with chronic denervation with axonal and demyelinating features. Rare patients may have additional neurologic signs, including spasticity, ataxia, and cerebellar signs. Sensation is intact, and patients have normal cognitive development. Treatment with biotin, pantothenic acid, and lipoic acid may result in clinical improvement (Holling et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1809728">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824055"><div><strong>Atelis syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824055</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.">C5774282</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Atelis syndrome-2 (ATELS2) is an autosomal recessive disorder characterized by poor overall growth with microcephaly and short stature, dysmorphic facial features, and congenital cardiac defects. Additional more variable features may include hematologic abnormalities, variable ocular abnormalities, motor delay, and anxiety. Patient cells exhibit a unique chromosomal instability phenotype consisting of segmented and dicentric chromosomes with mosaic variegated hyperploidy (Grange et al., 2022). See also ATELS1 (620184), caused by mutation in the SLF2 gene (610348). For a discussion of genetic heterogeneity of MVA, see MVA1 (257300).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824055">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841281"><div><strong>Dystonia 22, juvenile-onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841281</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.">C5830645</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Juvenile-onset dystonia-22 (DYT22JO) is an autosomal recessive disorder characterized by progressive, generalized dystonia associated with cognitive decline and cerebellar atrophy on brain imaging (Mencacci et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841281">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1845761"><div><strong>Neurodegeneration with brain iron accumulation 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1845761</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.">C5882740</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-9 (NBIA9) is characterized by global developmental delay apparent from infancy and progressive neurodegeneration of motor and cognitive skills. Affected individuals have delayed walking or inability to walk, spasticity with hyperreflexia, ataxia, dystonia, and poor or absent language. Additional more variable features include dysphagia, failure to thrive, poor growth, microcephaly, hypotonia, impaired vision, and seizures. Brain imaging shows progressive cerebral and cerebellar atrophy, iron accumulation in the basal ganglia, thin corpus callosum, and pontocerebellar hypoplasia. The disorder can be classified as a neuroferritinopathy (see NBIA3, 606159) (Shieh et al., 2023). 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/1845761">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_989503"><div><strong>Congenital disorder of deglycosylation 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>989503</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.">CN306977</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Individuals with NGLY1-related congenital disorder of deglycosylation (NGLY1-CDDG) typically display a clinical tetrad of developmental delay / intellectual disability in the mild to profound range, hypo- or alacrima, elevated liver transaminases that may spontaneously resolve in childhood, and a complex hyperkinetic movement disorder that can include choreiform, athetoid, dystonic, myoclonic, action tremor, and dysmetric movements. About half of affected individuals will develop clinical seizures. Other findings may include obstructive and/or central sleep apnea, oral motor defects that affect feeding ability, auditory neuropathy, constipation, scoliosis, and peripheral neuropathy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/989503">Condition Record</a></div></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_83349" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">3-hydroxyisobutyryl-CoA hydrolase deficiency</a></div>
|
||
<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>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_78724" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Alexander disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767604" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ataxia with oculomotor apraxia type 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1787902" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ataxia, intention tremor, and hypotonia syndrome, childhood-onset</a></div><div class="jig-moreless" data-jigconfig="class: 'moveDown', moreText: 'See full list (143)', lessText: 'Show less', nodeBefore: 0"><span id="clinMore">
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_230896" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ataxia-pancytopenia syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_861227" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ataxia-telangiectasia-like disorder 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824055" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Atelis syndrome 2</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_343973" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive ataxia, Beauce type</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1798906" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spastic paraplegia type 76</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462348" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 10</a></div>
|
||
<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>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1636182" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863738" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 17</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863942" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 18</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_324520" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spinocerebellar ataxia 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1683911" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Basal ganglia calcification, idiopathic, 7, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_376107" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bilateral frontoparietal polymicrogyria</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_325051" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">CARASIL syndrome</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>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794215" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar ataxia, brain abnormalities, and cardiac conduction defects</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1639436" 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 1</a></div>
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||
<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>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_318633" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar ataxia-areflexia-pes cavus-optic atrophy-sensorineural hearing loss syndrome</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1683734" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar atrophy with seizures and variable developmental delay</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_766575" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar dysfunction with variable cognitive and behavioral abnormalities</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1808634" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar dysfunction, impaired intellectual development, and hypogonadotropic hypogonadism</a></div>
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||
<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>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_338620" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charlevoix-Saguenay spastic ataxia</a></div>
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||
<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_409971" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">COG8-congenital disorder of glycosylation</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482045" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cognitive impairment with or without cerebellar ataxia</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934591" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital bile acid synthesis defect 6</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_989503" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital disorder of deglycosylation 1</a></div>
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||
<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>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841281" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dystonia 22, juvenile-onset</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815995" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Early-onset progressive neurodegeneration-blindness-ataxia-spasticity syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1778162" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epilepsy, progressive myoclonic, 12</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_341248" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Familial isolated deficiency of vitamin E</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_333403" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Fragile X-associated tremor/ataxia syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1625619" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Galloway-Mowat syndrome 2, X-linked</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1811526" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gastrointestinal defects and immunodeficiency syndrome 2</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_374177" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_373138" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 26</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1710020" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 30</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_501249" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 35</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_413042" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 44</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462251" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 48</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_762260" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 49</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_339552" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_896387" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 75</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355137" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Huntington disease-like 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_82815" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome</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_863760" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypomyelinating leukodystrophy 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934585" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypotonia, ataxia, and delayed development syndrome</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_334220" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Infantile-onset autosomal recessive nonprogressive cerebellar ataxia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1622296" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, autosomal recessive 61</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_440688" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Joubert syndrome 10</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_905319" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Joubert syndrome 24</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1631337" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukodystrophy, hypomyelinating, 16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1680067" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukodystrophy, hypomyelinating, 18</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684698" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukodystrophy, hypomyelinating, 19, transient infantile</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1677730" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy, acute reversible, with increased urinary alpha-ketoglutarate</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_898996" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lichtenstein-Knorr syndrome</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_1648426" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex 1 deficiency, nuclear type 10</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648395" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex 1 deficiency, nuclear type 31</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_1804209" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial DNA depletion syndrome 20 (mngie type)</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_343245" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial myopathy-lactic acidosis-deafness syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1643082" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multiple mitochondrial dysfunctions syndrome 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1799985" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neonatal encephalomyopathy-cardiomyopathy-respiratory distress syndrome</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_346658" 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 2B</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_1845761" 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 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648391" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration, childhood-onset, stress-induced, with variable ataxia and seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1750805" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with cardiomyopathy, spasticity, and brain abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1674767" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with central and peripheral motor dysfunction</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_1648345" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with regression, abnormal movements, loss of speech, and seizures</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_864165" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurologic, endocrine, and pancreatic disease, multisystem, infantile-onset 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_376792" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuronal ceroid lipofuscinosis 5</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_934595" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_414553" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oxoglutaricaciduria</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_813897" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Partial lipodystrophy, congenital cataracts, and neurodegeneration syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1809728" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peripheral motor neuropathy, childhood-onset, biotin-responsive</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_766874" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peroxisome biogenesis disorder 8B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_436373" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">PHARC syndrome</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_762040" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pontine tegmental cap dysplasia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_901897" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648331" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1715138" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinal dystrophy with leukodystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_375302" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sensory ataxic neuropathy, dysarthria, and ophthalmoparesis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_895448" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Short stature, microcephaly, and endocrine dysfunction</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_924303" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sialidosis type 2</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_370715" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic ataxia 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482607" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic ataxia 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1680026" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic ataxia 9, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648308" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 42, early-onset, severe, with neurodevelopmental deficits</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1611168" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 44</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1624251" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 46</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1636349" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 47</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_1805601" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia 49</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_155703" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_369786" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 10</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_347653" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_343106" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_337637" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 17</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_155704" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 2</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_854733" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 35</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_155705" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_148458" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934748" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive 22</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1618081" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive 25</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1617917" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive 26</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_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_97950" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Troyer syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_120644" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Urocanate hydratase deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_335078" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked sideroblastic anemia with ataxia</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/35440322">Treatment and Management of Autosomal Recessive Cerebellar Ataxias: Current Advances and Future Perspectives.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Salem IH,
|
||
Beaudin M,
|
||
Klein CJ,
|
||
Dupré N</span><br />
|
||
<span class="medgenPMjournal">CNS Neurol Disord Drug Targets</span>
|
||
2023;22(5):678-697.
|
||
doi: 10.2174/1871527321666220418114846.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35440322" target="_blank">35440322</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/25405651">Treatment of cerebellar ataxia.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Jones TM,
|
||
Shaw JD,
|
||
Sullivan K,
|
||
Zesiewicz TA</span><br />
|
||
<span class="medgenPMjournal">Neurodegener Dis Manag</span>
|
||
2014;4(5):379-92.
|
||
doi: 10.2217/nmt.14.27.
|
||
<span class="bold">PMID: </span><a href="/pubmed/25405651" target="_blank">25405651</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/22572546">Recommendations for the diagnosis and management of Niemann-Pick disease type C: an update.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Patterson MC,
|
||
Hendriksz CJ,
|
||
Walterfang M,
|
||
Sedel F,
|
||
Vanier MT,
|
||
Wijburg F;
|
||
NP-C Guidelines Working Group</span><br />
|
||
<span class="medgenPMjournal">Mol Genet Metab</span>
|
||
2012 Jul;106(3):330-44.
|
||
Epub 2012 May 8
|
||
doi: 10.1016/j.ymgme.2012.03.012.
|
||
<span class="bold">PMID: </span><a href="/pubmed/22572546" target="_blank">22572546</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22dysmetria%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 (14)</a></div></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/35338372">Cerebellar mutism syndrome: the importance of preoperative language assessment.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Catelan S,
|
||
Santini B,
|
||
Sala F,
|
||
Feletti A</span><br />
|
||
<span class="medgenPMjournal">Childs Nerv Syst</span>
|
||
2022 Oct;38(10):1993-1997.
|
||
Epub 2022 Mar 25
|
||
doi: 10.1007/s00381-022-05497-5.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35338372" target="_blank">35338372</a><a href="/pmc/articles/PMC9522841" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/35137349">Challenging the diagnosis of a posterior circulation dissecting aneurysm.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Duloquin G,
|
||
Henon H,
|
||
Pasi M,
|
||
Dequatre N,
|
||
Della Schiava L,
|
||
Kuchcinski G,
|
||
Leclerc X,
|
||
Cordonnier C,
|
||
Casolla B</span><br />
|
||
<span class="medgenPMjournal">Neurol Sci</span>
|
||
2022 May;43(5):3415-3417.
|
||
Epub 2022 Feb 8
|
||
doi: 10.1007/s10072-022-05923-1.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35137349" target="_blank">35137349</a></div>
|
||
|
||
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<div class="portlet_content ln"><span class="medgenPMauthor">Cerejeira D,
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<div class="nl"><a target="_blank" href="/pubmed/32160830">Acute Cerebellitis or Postinfectious Cerebellar Ataxia? Clinical and Imaging Features in Acute Cerebellitis.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Yildirim M,
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Gocmen R,
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Konuskan B,
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<span class="bold">PMID: </span><a href="/pubmed/32160830" target="_blank">32160830</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Bodranghien F,
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Bastian A,
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Casali C,
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Hallett M,
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Louis ED,
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Manto M,
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Mariën P,
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Nowak DA,
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Schmahmann JD,
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Serrao M,
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Steiner KM,
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Strupp M,
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<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Dysmetria%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 (176)</a></div><h3 class="subhead">Diagnosis</h3>
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<div class="nl"><a target="_blank" href="/pubmed/36222772">Neurodegenerative Cerebellar Ataxia.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Rosenthal LS</span><br />
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<div class="nl"><a target="_blank" href="/pubmed/26105056">Consensus Paper: Revisiting the Symptoms and Signs of Cerebellar Syndrome.</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/31503187">Effectiveness of Cerebellar Circuitry Modulation in Schizophrenia: A Systematic Review.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Escelsior A,
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Belvederi Murri M,
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Calcagno P,
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<div class="nl"><a target="_blank" href="/pubmed/2160519">Acute triphenyltin intoxication: a case report.</a></div>
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<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Dysmetria%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 (107)</a></div><h3 class="subhead">Prognosis</h3>
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<div class="nl"><a target="_blank" href="/pubmed/36222772">Neurodegenerative Cerebellar Ataxia.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Rosenthal LS</span><br />
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<span class="medgenPMjournal">Continuum (Minneap Minn)</span>
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2022 Oct 1;28(5):1409-1434.
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<span class="bold">PMID: </span><a href="/pubmed/36222772" target="_blank">36222772</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/35338372">Cerebellar mutism syndrome: the importance of preoperative language assessment.</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/32160830">Acute Cerebellitis or Postinfectious Cerebellar Ataxia? Clinical and Imaging Features in Acute Cerebellitis.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Yildirim M,
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Gocmen R,
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Konuskan B,
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Parlak S,
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Yalnizoglu D,
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Anlar B</span><br />
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<span class="medgenPMjournal">J Child Neurol</span>
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2020 May;35(6):380-388.
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Epub 2020 Mar 12
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doi: 10.1177/0883073820901407.
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<span class="bold">PMID: </span><a href="/pubmed/32160830" target="_blank">32160830</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/29903436">The neuropathology of the adult cerebellum.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Koeppen AH</span><br />
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<div class="nl"><a target="_blank" href="/pubmed/29809144">Energy exchanges at contact events guide sensorimotor integration.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Farshchian A,
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Sciutti A,
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Pressman A,
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Nisky I,
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<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Dysmetria%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 (130)</a></div><h3 class="subhead">Clinical prediction guides</h3>
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<div class="nl"><a target="_blank" href="/pubmed/37821226">ITPR1-associated spinocerebellar ataxia with craniofacial features-additional evidence for germline mosaicism.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Kleyner R,
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Ung N,
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Arif M,
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Marchi E,
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Amble K,
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Gavin M,
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Madrid R,
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Lyon G</span><br />
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<span class="medgenPMjournal">Cold Spring Harb Mol Case Stud</span>
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2023 Dec;9(4)
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<span class="bold">PMID: </span><a href="/pubmed/37821226" target="_blank">37821226</a><a href="/pmc/articles/PMC10815276" target="_blank" class="PubMedFree">Free PMC Article</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/33606092">Postural sway and neurocognition in individuals meeting criteria for a clinical high-risk syndrome.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Osborne KJ,
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Mittal VA</span><br />
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<span class="medgenPMjournal">Eur Arch Psychiatry Clin Neurosci</span>
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||
|
||
<div class="nl"><a target="_blank" href="/pubmed/32160830">Acute Cerebellitis or Postinfectious Cerebellar Ataxia? Clinical and Imaging Features in Acute Cerebellitis.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Yildirim M,
|
||
Gocmen R,
|
||
Konuskan B,
|
||
Parlak S,
|
||
Yalnizoglu D,
|
||
Anlar B</span><br />
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<span class="medgenPMjournal">J Child Neurol</span>
|
||
2020 May;35(6):380-388.
|
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Epub 2020 Mar 12
|
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doi: 10.1177/0883073820901407.
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<span class="bold">PMID: </span><a href="/pubmed/32160830" target="_blank">32160830</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/29997061">The cerebellum and cognition.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Schmahmann JD</span><br />
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<div class="nl"><a target="_blank" href="/pubmed/26105056">Consensus Paper: Revisiting the Symptoms and Signs of Cerebellar Syndrome.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Bodranghien F,
|
||
Bastian A,
|
||
Casali C,
|
||
Hallett M,
|
||
Louis ED,
|
||
Manto M,
|
||
Mariën P,
|
||
Nowak DA,
|
||
Schmahmann JD,
|
||
Serrao M,
|
||
Steiner KM,
|
||
Strupp M,
|
||
Tilikete C,
|
||
Timmann D,
|
||
van Dun K</span><br />
|
||
<span class="medgenPMjournal">Cerebellum</span>
|
||
2016 Jun;15(3):369-91.
|
||
doi: 10.1007/s12311-015-0687-3.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26105056" target="_blank">26105056</a><a href="/pmc/articles/PMC5565264" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Dysmetria%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 (174)</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/36453134">Diagnostic accuracy of the physical examination in emergency department patients with acute vertigo or dizziness: A systematic review and meta-analysis for GRACE-3.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Shah VP,
|
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Oliveira J E Silva L,
|
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Farah W,
|
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Seisa MO,
|
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Balla AK,
|
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Christensen A,
|
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Farah M,
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Hasan B,
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Bellolio F,
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Murad MH</span><br />
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<span class="medgenPMjournal">Acad Emerg Med</span>
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2023 May;30(5):552-578.
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Epub 2023 Jan 22
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<span class="bold">PMID: </span><a href="/pubmed/36453134" target="_blank">36453134</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/34655657">Oculomotor deficits in attention deficit hyperactivity disorder (ADHD): A systematic review and comprehensive meta-analysis.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Maron DN,
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Bowe SJ,
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Spencer-Smith M,
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Mellahn OJ,
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Perrykkad K,
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Bellgrove MA,
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Johnson BP</span><br />
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<span class="medgenPMjournal">Neurosci Biobehav Rev</span>
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2021 Dec;131:1198-1213.
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Epub 2021 Oct 13
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<span class="bold">PMID: </span><a href="/pubmed/34655657" target="_blank">34655657</a></div>
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||
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||
<div class="nl"><a target="_blank" href="/pubmed/31503187">Effectiveness of Cerebellar Circuitry Modulation in Schizophrenia: A Systematic Review.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Escelsior A,
|
||
Belvederi Murri M,
|
||
Calcagno P,
|
||
Cervetti A,
|
||
Caruso R,
|
||
Croce E,
|
||
Grassi L,
|
||
Amore M</span><br />
|
||
<span class="medgenPMjournal">J Nerv Ment Dis</span>
|
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2019 Nov;207(11):977-986.
|
||
doi: 10.1097/NMD.0000000000001064.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31503187" target="_blank">31503187</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/31399495">Acute vestibular syndrome associated with anti-GQ1b antibody.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Lee SU,
|
||
Kim HJ,
|
||
Choi JY,
|
||
Kim JK,
|
||
Kim JS</span><br />
|
||
<span class="medgenPMjournal">Neurology</span>
|
||
2019 Sep 10;93(11):e1085-e1092.
|
||
Epub 2019 Aug 9
|
||
doi: 10.1212/WNL.0000000000008107.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31399495" target="_blank">31399495</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26698018">Cognition and resting-state functional connectivity in schizophrenia.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Sheffield JM,
|
||
Barch DM</span><br />
|
||
<span class="medgenPMjournal">Neurosci Biobehav Rev</span>
|
||
2016 Feb;61:108-20.
|
||
Epub 2015 Dec 14
|
||
doi: 10.1016/j.neubiorev.2015.12.007.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26698018" target="_blank">26698018</a><a href="/pmc/articles/PMC4731300" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Dysmetria%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 (7)</a></div></div>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C0234162%5bDISCUI%5d&filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (20)</a></li>
|
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<li><a href="/gtr/tests?term=C0234162%5bDISCUI%5d&filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (20)</a></li>
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