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<meta name="keywords" content="C1836038, delay in head control, delay in head righting, delayed head control, finding, infant head lag, poor head control, autosomal dominant, autosomal recessive, birth defects, chromosomal disease, chromosome, clinical features, clinical findings, clinical genetics, clinical recommendations, clinvar, congenital chromosomal disease, consumer genetic resources, cytogenetic location, disease characteristics, disease definitions, disease descriptions, disease ontology, disease synonyms, disease vocabulary, dysmorphology, entrez, familial disease, gene, gene-disease relationship, genereviews, genetic disease, genetic disorder, genetic terminology, genetic testing registry, genetics home reference, genomic disease, gtr, hereditary disease, heritable disease, hpo, human phenotype ontology, inherited disease, management guidelines, maternal inheritance, medgen, medical genetics, medical subject headings, mesh, mitochondrial inheritance, mode of inheritance, national center for biotechnology information, national institutes of health, national library of medicine, ncbi, nih, nlm, omim, ordo, orphanet, paternal inheritance, phenome, position statements, professional practice guidelines, rare disease, reference sequence, refseq, snomed ct, syndrome, undiagnosed diseases, x-linked recessive" /><meta name="description" content="Difficulty to maintain correct position of the head while standing or sitting. Infant head lag is observed when the head seems to flop around or lags posteriorly behind the trunk. Several articles have maintained that head lag should be absent by age 3 to 4 months." /><meta name="robots" content="index,nofollow,noarchive" />
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<!--
|
||
UID=322809
|
||
ConceptID=C1836038
|
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-->
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<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Poor head control</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322809</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1836038</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonym:</td>
|
||
<td>Delayed head control</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:0002421">HP:0002421</a></td></tr>
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<div class="portlet mgSection" id="ID_100">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln">Difficulty to maintain correct position of the head while standing or sitting. Infant head lag is observed when the head seems to flop around or lags posteriorly behind the trunk. Several articles have maintained that head lag should be absent by age 3 to 4 months. [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>
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<div class="portlet mgSection" id="ID_118">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Term_Hierarchy">Term Hierarchy</h1><a sid="118" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<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=C1836038[DISCUI]&test_type=Clinical" ref="ncbi_uid=322809">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=322809" ref="ncbi_uid=322809">V</a></span></span><span class="TLline">Poor head control</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/867443" ref="tree=MeSH" title="MedGen record for Phenotypic abnormality">Phenotypic abnormality</a></span><ul><li><span class="TLline"><a href="/medgen/1763488" ref="tree=MeSH" title="MedGen record for Abnormality of the musculoskeletal system">Abnormality of the musculoskeletal system</a></span><ul><li><span class="TLline"><a href="/medgen/867380" ref="tree=MeSH" title="MedGen record for Abnormality of the musculature">Abnormality of the musculature</a></span><ul><li><span class="TLline"><a href="/medgen/868777" ref="tree=MeSH" title="MedGen record for Abnormal muscle physiology">Abnormal muscle physiology</a></span><ul><li><span class="TLline"><a href="/medgen/57735" ref="tree=MeSH" title="MedGen record for Muscle weakness">Muscle weakness</a></span><ul><li><span class="matched_ds">Poor head control</span></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></div></div></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_112">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Conditions_with_this_feature">Conditions with this feature</h1><a sid="112" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln clinfeat">
|
||
<div class="divPopper rprt" id="rdis_44030"><div><strong>Menkes kinky-hair syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>44030</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0022716</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Menkes disease (MNK) is an X-linked recessive disorder characterized by generalized copper deficiency. The clinical features result from the dysfunction of several copper-dependent enzymes.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/44030">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_9721"><div><strong>Lesch-Nyhan syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>9721</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0023374</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">HPRT1 disorders, caused by deficiency of the enzyme hypoxanthine-guanine phosphoribosyltransferase (HGprt), are typically associated with clinical evidence for overproduction of uric acid (hyperuricemia, nephrolithiasis, and/or gouty arthritis) and varying degrees of neurologic and/or behavioral problems. Historically, three phenotypes were identified in the spectrum of HPRT1 disorders: Lesch-Nyhan disease (LND) at the most severe end with motor dysfunction resembling severe cerebral palsy, intellectual disability, and self-injurious behavior; HPRT1-related neurologic dysfunction (HND) in the intermediate range with similar but fewer severe neurologic findings than LND and no self-injurious behavior; and HPRT1-related hyperuricemia (HRH) at the mild end without overt neurologic deficits. It is now recognized that these neurobehavioral phenotypes cluster along a continuum from severe to mild.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/9721">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_11713"><div><strong>Tay-Sachs disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>11713</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0039373</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">HEXA disorders are best considered as a disease continuum based on the amount of residual beta-hexosaminidase A (HEX A) enzyme activity. This, in turn, depends on the molecular characteristics and biological impact of the HEXA pathogenic variants. HEX A is necessary for degradation of GM2 ganglioside; without well-functioning enzymes, GM2 ganglioside builds up in the lysosomes of brain and nerve cells. The classic clinical phenotype is known as Tay-Sachs disease (TSD), characterized by progressive weakness, loss of motor skills beginning between ages three and six months, decreased visual attentiveness, and increased or exaggerated startle response with a cherry-red spot observable on the retina followed by developmental plateau and loss of skills after eight to ten months. Seizures are common by 12 months with further deterioration in the second year of life and death occurring between ages two and three years with some survival to five to seven years. Subacute juvenile TSD is associated with normal developmental milestones until age two years, when the emergence of abnormal gait or dysarthria is noted followed by loss of previously acquired skills and cognitive decline. Spasticity, dysphagia, and seizures are present by the end of the first decade of life, with death within the second decade of life, usually by aspiration. Late-onset TSD presents in older teens or young adults with a slowly progressive spectrum of neurologic symptoms including lower-extremity weakness with muscle atrophy, dysarthria, incoordination, tremor, mild spasticity and/or dystonia, and psychiatric manifestations including acute psychosis. Clinical variability even among affected members of the same family is observed in both the subacute juvenile and the late-onset TSD phenotypes.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/11713">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_78657"><div><strong>Tay-Sachs disease, variant AB</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>78657</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268275</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Acute infantile GM2 activator deficiency is a neurodegenerative disorder in which infants, who are generally normal at birth, have progressive weakness and slowing of developmental progress between ages four and 12 months. An ensuing developmental plateau is followed by progressively rapid developmental regression. By the second year of life decerebrate posturing, difficulty in swallowing, and worsening seizures lead to an unresponsive vegetative state. Death usually occurs between ages two and three years.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/78657">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_98047"><div><strong>Eichsfeld type congenital muscular dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98047</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0410180</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Rigid spine muscular dystrophy (RSMD) is a form of congenital muscular dystrophy. Disorders in this group cause muscle weakness and wasting (atrophy) beginning very early in life. In particular, RSMD involves weakness of the muscles of the torso and neck (axial muscles). Other characteristic features include spine stiffness and serious breathing problems.\n\nIn RSMD, muscle weakness is often apparent at birth or within the first few months of life. Affected infants can have poor head control and weak muscle tone (hypotonia), which may delay the development of motor skills such as crawling or walking. Over time, muscles surrounding the spine atrophy, and the joints of the spine develop deformities called contractures that restrict movement. The neck and back become stiff and rigid, and affected children have limited ability to move their heads up and down or side to side. Affected children eventually develop an abnormal curvature of the spine (scoliosis). In some people with RSMD, muscles in the inner thighs also atrophy, although it does not impair the ability to walk.\n\nA characteristic feature of RSMD is breathing difficulty (respiratory insufficiency) due to restricted movement of the torso and weakness of the diaphragm, which is the muscle that separates the abdomen from the chest cavity. The breathing problems, which tend to occur only at night, can be life-threatening. Many affected individuals require a machine to help them breathe (mechanical ventilation) during sleep.\n\nThe combination of features characteristic of RSMD, particularly axial muscle weakness, spine rigidity, and respiratory insufficiency, is sometimes referred to as rigid spine syndrome. While these features occur on their own in RSMD, they can also occur along with additional signs and symptoms in other muscle disorders. The features of rigid spine syndrome typically appear at a younger age in people with RSMD than in those with other muscle disorders.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/98047">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_96563"><div><strong>Gillespie syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>96563</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0431401</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
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<div class="spaceAbove">Gillespie syndrome (GLSP) is usually diagnosed in the first year of life by the presence of fixed dilated pupils in a hypotonic infant. Affected individuals have a characteristic form of iris hypoplasia in which the pupillary border of the iris exhibits a scalloped or 'festooned' edge, with iris strands extending onto the anterior lens surface at regular intervals. The key extraocular features of Gillespie syndrome are congenital hypotonia, progressive cerebellar hypoplasia, and ataxia, as well as variable cognitive impairment that is usually mild (summary by Gerber et al., 2016 and McEntagart et al., 2016).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/96563">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_162912"><div><strong>Aicardi-Goutieres syndrome 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162912</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0796126</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Most characteristically, Aicardi-Goutières syndrome (AGS) manifests as an early-onset encephalopathy that usually, but not always, results in severe intellectual and physical disability. A subgroup of infants with AGS present at birth with abnormal neurologic findings, hepatosplenomegaly, elevated liver enzymes, and thrombocytopenia, a picture highly suggestive of congenital infection. Otherwise, most affected infants present at variable times after the first few weeks of life, frequently after a period of apparently normal development. Typically, they demonstrate the subacute onset of a severe encephalopathy characterized by extreme irritability, intermittent sterile pyrexias, loss of skills, and slowing of head growth. Over time, as many as 40% develop chilblain skin lesions on the fingers, toes, and ears. It is becoming apparent that atypical, sometimes milder, cases of AGS exist, and thus the true extent of the phenotype associated with pathogenic variants in the AGS-related genes is not yet known.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/162912">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_332113"><div><strong>CEDNIK syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332113</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1836033</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cerebral dysgenesis, neuropathy, ichthyosis, and keratoderma syndrome (CEDNIK) refers to a unique constellation of clinical manifestations including global developmental delay with hypotonia, roving eye movements or nystagmus, poor motor skills, and impaired intellectual development with speech delay. More variable features include microcephaly, feeding difficulties, seizures, ocular anomalies, hearing loss, and nonspecific dysmorphic facial features. Palmoplantar keratoderma and ichthyosis or neuropathy develop in some patients. Brain magnetic resonance imaging (MRI) shows varying degrees of cerebral dysgenesis, including absence of the corpus callosum and cortical dysplasia, as well as hypomyelination, white matter loss, and white matter signal anomalies suggestive of a leukodystrophy. Some patients may show developmental regression; many die in childhood (Fuchs-Telem et al., 2011; Mah-Som et al., 2021). With more patients being reported, several authors (Diggle et al., 2017; Llaci et al., 2019; Mah-Som et al., 2021) have observed that the dermatologic features and peripheral neuropathy show reduced penetrance and are more variable manifestations of this disorder, as they are not observed in all patients with biallelic SNAP29 mutations.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/332113">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_325157"><div><strong>Hypomyelinating leukodystrophy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>325157</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837355</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pelizaeus-Merzbacher-like disease 1 (PMLD1) is a slowly progressive leukodystrophy that typically presents during the neonatal or early-infantile period with nystagmus, commonly associated with hypotonia, delayed acquisition of motor milestones, speech delay, and dysarthria. Over time the hypotonia typically evolves into spasticity that affects the ability to walk and communicate. Cerebellar signs (gait ataxia, dysmetria, intention tremor, head titubation, and dysdiadochokinesia) frequently manifest during childhood. Some individuals develop extrapyramidal movement abnormalities (choreoathetosis and dystonia). Hearing loss and optic atrophy are observed in rare cases. Motor impairments can lead to swallowing difficulty and orthopedic complications, including hip dislocation and scoliosis. Most individuals have normal cognitive skills or mild intellectual disability – which, however, can be difficult to evaluate in the context of profound motor impairment.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/325157">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_374101"><div><strong>Mitochondrial complex I deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>374101</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1838979</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Isolated complex I deficiency is a rare inborn error of metabolism due to mutations in nuclear or mitochondrial genes encoding subunits or assembly factors of the human mitochondrial complex I (NADH: ubiquinone oxidoreductase) and is characterized by a wide range of manifestations including marked and often fatal lactic acidosis, cardiomyopathy, leukoencephalopathy, pure myopathy and hepatopathy with tubulopathy. Among the numerous clinical phenotypes observed are Leigh syndrome, Leber hereditary optic neuropathy and MELAS syndrome (see these terms).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/374101">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_334225"><div><strong>Pontocerebellar hypoplasia type 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>334225</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842687</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pontocerebellar hypoplasia (PCH) refers to a heterogeneous group of disorders characterized by an abnormally small cerebellum and brainstem. Clinical features vary, but usually include severe developmental delay, dysmorphic features, seizures, and early death (summary by Durmaz et al., 2009). For a phenotypic description and a discussion of genetic heterogeneity of PCH, see PCH1 (607596).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/334225">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341455"><div><strong>Saldino-Mainzer syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341455</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1849437</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Short-rib thoracic dysplasia (SRTD) with or without polydactyly refers to a group of autosomal recessive skeletal ciliopathies that are characterized by a constricted thoracic cage, short ribs, shortened tubular bones, and a 'trident' appearance of the acetabular roof. SRTD encompasses Ellis-van Creveld syndrome (EVC) and the disorders previously designated as Jeune syndrome or asphyxiating thoracic dystrophy (ATD), short rib-polydactyly syndrome (SRPS), and Mainzer-Saldino syndrome (MZSDS). Polydactyly is variably present, and there is phenotypic overlap in the various forms of SRTDs, which differ by visceral malformation and metaphyseal appearance. Nonskeletal involvement can include cleft lip/palate as well as anomalies of major organs such as the brain, eye, heart, kidneys, liver, pancreas, intestines, and genitalia. Some forms of SRTD are lethal in the neonatal period due to respiratory insufficiency secondary to a severely restricted thoracic cage, whereas others are compatible with life (summary by Huber and Cormier-Daire, 2012 and Schmidts et al., 2013). There is phenotypic overlap with the cranioectodermal dysplasias (Sensenbrenner syndrome; see CED1, 218330). For a discussion of genetic heterogeneity of short-rib thoracic dysplasia, see SRTD1 (208500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341455">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_340761"><div><strong>Sulfite oxidase deficiency due to molybdenum cofactor deficiency type C</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340761</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1854990</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Molybdenum cofactor deficiency (MoCD) represents a spectrum, with some individuals experiencing significant signs and symptoms in the neonatal period and early infancy (termed early-onset or severe MoCD) and others developing signs and symptoms in childhood or adulthood (termed late-onset or mild MoCD). Individuals with early-onset MoCD typically present in the first days of life with severe encephalopathy, including refractory seizures, opisthotonos, axial and appendicular hypotonia, feeding difficulties, and apnea. Head imaging may demonstrate loss of gray and white matter differentiation, gyral swelling, sulci injury (typically assessed by evaluating the depth of focal lesional injury within the sulci), diffusely elevated T2-weighted signal, and panlobar diffusion restriction throughout the forebrain and midbrain with relative sparring of the brain stem. Prognosis for early-onset MoCD is poor, with about 75% succumbing in infancy to secondary complications of their neurologic disability (i.e., pneumonia). Late-onset MoCD is typically characterized by milder symptoms, such as acute neurologic decompensation in the setting of infection. Episodes vary in nature but commonly consist of altered mental status, dystonia, choreoathetosis, ataxia, nystagmus, and fluctuating hypotonia and hypertonia. These features may improve after resolution of the inciting infection or progress in a gradual or stochastic manner over the lifetime. Brain imaging may be normal or may demonstrate T2-weighted hyperintense or cystic lesions in the globus pallidus, thinning of the corpus callosum, and cerebellar atrophy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/340761">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_346552"><div><strong>Progressive encephalopathy with leukodystrophy due to DECR deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346552</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857252</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">2,4-Dienoyl-CoA reductase deficiency (DECRD) is a rare autosomal recessive inborn error of metabolism resulting in mitochondrial dysfunction due to impaired production of NADPH, which is an essential cofactor for several mitochondrial enzymes. Affected individuals have a variable phenotype: some may have severe neurologic symptoms and metabolic dysfunction beginning in early infancy, whereas others may present with more subtle features, such as childhood-onset optic atrophy or intermittent muscle weakness. The variable severity is putatively dependent on the effect of the mutation on the NADK2 enzyme. Biochemical analysis typically shows hyperlysinemia, due to defective activity of the mitochondrial NADP(H)-dependent enzyme AASS (605113), which is usually a benign finding. More severe cases have increased C10:2-carnitine levels, due to defective activity of the enzyme DECR (DECR1; 222745) (summary by Houten et al., 2014 and Pomerantz et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/346552">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341899"><div><strong>NDE1-related microhydranencephaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341899</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857977</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Microhydranencephaly (MHAC) is a severe neurodevelopmental defect characterized by extreme microcephaly, profound motor and mental retardation, spasticity, and incomplete cerebral formation. Radiologic studies show gross dilation of the ventricles resulting from the absence of cerebral hemispheres or severe delay in their development, as well as hypoplasia of the corpus callosum, cerebellum, and brainstem (summary by Guven et al., 2012).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341899">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_409627"><div><strong>Autosomal recessive osteopetrosis 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>409627</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1968603</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive osteopetrosis-5 (OPTB5) is a form of infantile malignant osteopetrosis, characterized by defective osteoclast function resulting in decreased bone resorption and generalized osteosclerosis. Defective resorption causes development of densely sclerotic fragile bones and progressive obliteration of the marrow spaces and cranial foramina. Marrow obliteration is associated with extramedullary hematopoiesis and hepatosplenomegaly, and results in anemia and thrombocytopenia, whereas nerve entrapment accounts for progressive blindness and hearing loss. Other major manifestations include failure to thrive, pathologic fractures, and increased infection rate. Most affected children succumb to severe bone marrow failure and overwhelming infection in the first few years of life (summary by Quarello et al., 2004).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/409627">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370596"><div><strong>Pontocerebellar hypoplasia type 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370596</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1969084</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pontocerebellar hypoplasia (PCH) is a heterogeneous group of disorders characterized by an abnormally small cerebellum and brainstem and associated with severe developmental delay (Edvardson et al., 2007). For a phenotypic description and a discussion of genetic heterogeneity of PCH, see PCH1 (607596).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/370596">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>
|
||
<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>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/409971">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_435914"><div><strong>Mucolipidosis type II</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>435914</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2673377</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">GNPTAB-related disorders comprise the phenotypes mucolipidosis II (ML II) and mucolipidosis IIIa/ß (ML IIIa/ß), and phenotypes intermediate between ML II and ML IIIa/ß. ML II is evident at birth and slowly progressive; death most often occurs in early childhood. Orthopedic abnormalities present at birth may include thoracic deformity, kyphosis, clubfeet, deformed long bones, and/or dislocation of the hip(s). Growth often ceases in the second year of life; contractures develop in all large joints. The skin is thickened, facial features are coarse, and gingiva are hypertrophic. All children have cardiac involvement, most commonly thickening and insufficiency of the mitral valve and, less frequently, the aortic valve. Progressive mucosal thickening narrows the airways, and gradual stiffening of the thoracic cage contributes to respiratory insufficiency, the most common cause of death. ML IIIa/ß becomes evident at about age three years with slow growth rate and short stature; joint stiffness and pain initially in the shoulders, hips, and fingers; gradual mild coarsening of facial features; and normal to mildly impaired cognitive development. Pain from osteoporosis becomes more severe during adolescence. Cardiorespiratory complications (restrictive lung disease, thickening and insufficiency of the mitral and aortic valves, left and/or right ventricular hypertrophy) are common causes of death, typically in early to middle adulthood. Phenotypes intermediate between ML II and ML IIIa/ß are characterized by physical growth in infancy that resembles that of ML II and neuromotor and speech development that resemble that of ML IIIa/ß.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/435914">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_383026"><div><strong>Hypomyelinating leukodystrophy 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>383026</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2677109</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any leukodystrophy in which the cause of the disease is a mutation in the HSPD1 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/383026">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_413043"><div><strong>Congenital muscular dystrophy due to LMNA mutation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>413043</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750785</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">LMNA-related congenital muscular dystrophy (L-CMD) is a condition that primarily affects muscles used for movement (skeletal muscles). It is part of a group of genetic conditions called congenital muscular dystrophies, which cause weak muscle tone (hypotonia) and muscle wasting (atrophy) beginning very early in life.\n\nIn people with L-CMD, muscle weakness becomes apparent in infancy or early childhood and can worsen quickly. The most severely affected infants develop few motor skills, and they are never able to hold up their heads, roll over, or sit. Less severely affected children may learn to sit, stand, and walk before muscle weakness becomes apparent. First the neck muscles weaken, causing the head to fall forward (dropped-head syndrome). As other skeletal muscles become weaker, these children may ultimately lose the ability to sit, stand, and walk unassisted.\n\nOther features of L-CMD often include spinal rigidity and abnormal curvature of the spine (scoliosis and lordosis); joint deformities (contractures) that restrict movement, particularly in the hips and legs; and an inward-turning foot. People with L-CMD also have an increased risk of heart rhythm abnormalities (arrhythmias).\n\nOver time, muscle weakness causes most infants and children with L-CMD to have trouble eating and breathing. The breathing problems result from restrictive respiratory insufficiency, which occurs when muscles in the chest are weakened and the ribcage becomes increasingly rigid. This problem can be life-threatening, and many affected children require support with a machine to help them breathe (mechanical ventilation).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/413043">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_414492"><div><strong>Developmental and epileptic encephalopathy, 39</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>414492</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2751855</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Developmental and epileptic encephalopathy-39 with leukodystrophy (DEE39) is an autosomal recessive neurologic syndrome characterized clinically by global developmental delay apparent in early infancy, early-onset seizures, hypotonia with poor motor function, and hypomyelination on brain imaging. Other features include absent speech and inability to walk; spasticity and hyperreflexia has also been reported. Although there is significant hypomyelination on brain imaging, the disorder was not classified as a primary leukodystrophy. The myelination defect was thought to stem from primary neuronal dysfunction due to impaired mitochondrial transport activity (summary by Wibom et al., 2009 and Falk et al., 2014). However, serial brain imaging in a patient with DEE39 by Kavanaugh et al. (2019) suggested that the mechanism of disease is consistent with a leukoaxonopathy type of leukodystrophy. For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/414492">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_461763"><div><strong>Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>461763</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150413</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital muscular dystrophy-dystroglycanopathy with brain and eye anomalies (type A), which includes both the more severe Walker-Warburg syndrome (WWS) and the slightly less severe muscle-eye-brain disease (MEB), is an autosomal recessive disorder with characteristic brain and eye malformations, profound mental retardation, congenital muscular dystrophy, and death usually in the first years of life. It represents the most severe end of a phenotypic spectrum of similar disorders resulting from defective glycosylation of DAG1 (128239), collectively known as 'dystroglycanopathies' (Beltran-Valero de Bernabe et al., 2004). For a general phenotypic description and a discussion of genetic heterogeneity of muscular dystrophy-dystroglycanopathy type A, see MDDGA1 (236670).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/461763">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_462057"><div><strong>Chromosome 14q11-q22 deletion syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462057</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150707</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">14q11.2 microdeletion syndrome is a recently described syndrome characterized by developmental delay, hypotonia and facial dysmorphism.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/462057">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_462408"><div><strong>Hypermethioninemia with deficiency of S-adenosylhomocysteine hydrolase</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462408</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151058</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Hypermethioninemia with S-adenosylhomocysteine hydrolase deficiency is an autosomal recessive severe neurometabolic disorder affecting the muscles, liver, and nervous system, resulting in death in infancy (summary by Bas et al., 2020). Other causes of hypermethioninemia include hereditary tyrosinemia (276700), cystathionine beta-synthase deficiency (236200), and methionine adenosyltransferase deficiency (250850).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/462408">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_462419"><div><strong>Chromosome 17p13.1 deletion syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462419</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151069</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/462419">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_462555"><div><strong>Constitutional megaloblastic anemia with severe neurologic disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462555</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151205</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Dihydrofolate reductase deficiency is an autosomal recessive metabolic disorder characterized by the hematologic findings of megaloblastic anemia and variable neurologic symptoms, ranging from severe developmental delay and generalized seizures in infancy (Banka et al., 2011) to childhood absence epilepsy with learning difficulties to lack of symptoms (Cario et al., 2011). Treatment with folinic acid can ameliorate some of the symptoms.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/462555">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_462826"><div><strong>Mitochondrial DNA depletion syndrome 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462826</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151476</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">SUCLG1-related mitochondrial DNA (mtDNA) depletion syndrome, encephalomyopathic form with methylmalonic aciduria is characterized in the majority of affected newborns by hypotonia, muscle atrophy, feeding difficulties, and lactic acidosis. Affected infants commonly manifest developmental delay / cognitive impairment, growth retardation / failure to thrive, hepatopathy, sensorineural hearing impairment, dystonia, and hypertonia. Notable findings in some affected individuals include hypertrophic cardiomyopathy, epilepsy, myoclonus, microcephaly, sleep disturbance, rhabdomyolysis, contractures, hypothermia, and/or hypoglycemia. Life span is shortened, with median survival of 20 months.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/462826">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_477139"><div><strong>Multiple congenital anomalies-hypotonia-seizures syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>477139</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3275508</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Multiple congenital anomalies-hypotonia-seizures syndrome-2 (MCAHS2) is an X-linked recessive neurodevelopmental disorder characterized by dysmorphic features, neonatal hypotonia, early-onset myoclonic seizures, and variable congenital anomalies involving the central nervous, cardiac, and urinary systems. Some affected individuals die in infancy (summary by Johnston et al., 2012). The phenotype shows clinical variability with regard to severity and extraneurologic features. However, most patients present in infancy with early-onset epileptic encephalopathy associated with developmental arrest and subsequent severe neurologic disability; these features are consistent with a form of developmental and epileptic encephalopathy (DEE) (summary by Belet et al., 2014, Kato et al., 2014). The disorder is caused by a defect in glycosylphosphatidylinositol (GPI) biosynthesis. For a discussion of genetic heterogeneity of MCAHS, see MCAHS1 (614080). For a discussion of nomenclature and genetic heterogeneity of DEE, see 308350. For a discussion of genetic heterogeneity of GPI biosynthesis defects, see GPIBD1 (610293).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/477139">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_482008"><div><strong>Multiple mitochondrial dysfunctions syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482008</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280378</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Multiple mitochondrial dysfunctions syndrome-2 (MMDS2) with hyperglycinemia is a severe autosomal recessive disorder characterized by developmental regression in infancy. Affected children have an encephalopathic disease course with seizures, spasticity, loss of head control, and abnormal movement. Additional more variable features include optic atrophy, cardiomyopathy, and leukodystrophy. Laboratory studies show increased serum glycine and lactate. Most patients die in childhood. The disorder represents a form of 'variant' nonketotic hyperglycinemia and is distinct from classic nonketotic hyperglycinemia (NKH, or GCE; 605899), which is characterized by significantly increased CSF glycine. Several forms of 'variant' NKH, including MMDS2, appear to result from defects of mitochondrial lipoate biosynthesis (summary by Baker et al., 2014). For a general description and a discussion of genetic heterogeneity of multiple mitochondrial dysfunctions syndrome, see MMDS1 (605711).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/482008">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_482309"><div><strong>MEGF10-related myopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482309</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280679</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital myopathy-10A (CMYO10A) is a severe autosomal recessive skeletal muscle disorder characterized by generalized hypotonia, respiratory insufficiency, and poor feeding apparent from birth. Decreased fetal movements may be observed. More variable features include high-arched palate, distal joint contractures, foot deformities, scoliosis, areflexia, and dysphagia. Many patients show eventration of the diaphragm. Affected individuals become ventilator-dependent in the first months or years of life and never achieve walking; many die in childhood (Logan et al., 2011). Patients with more damaging mutations in the MEGF10 gene, including nonsense or frameshift null mutations, show the more severe phenotype (CMYO10A), whereas those with missense mutations affecting conserved cysteine residues in the EGF-like domain show the less severe phenotype with later onset of respiratory failure and minicores on muscle biopsy (CMYO10B) (Croci et al., 2022). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/482309">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_482790"><div><strong>Ehlers-Danlos syndrome, kyphoscoliotic type, 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482790</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3281160</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">FKBP14 kyphoscoliotic Ehlers-Danlos syndrome (FKBP14-kEDS) is characterized by congenital muscle hypotonia and weakness (typically improving during childhood), progressive scoliosis, joint hypermobility, hyperelastic skin, gross motor developmental delay, myopathy, and hearing impairment. Most affected children achieve independent walking between ages two and four years. A decline of motor function in adulthood may be seen, but affected individuals are likely to be able to participate in activities of daily living in adulthood and maintain independent walking. Occasional features underlying systemic connective tissue involvement include aortic rupture and arterial dissection, subdural hygroma, insufficiency of cardiac valves, bluish sclerae, bladder diverticula, inguinal or umbilical herniae, and premature rupture of membranes during pregnancy. Rarer findings may include bifid uvula with submucous or frank cleft palate, speech/language delay without true cognitive impairment, and rectal prolapse.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/482790">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_483052"><div><strong>Developmental and epileptic encephalopathy, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>483052</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3463992</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Developmental and epileptic encephalopathy-1 (DEE1) is a severe form of epilepsy characterized by frequent tonic seizures or spasms beginning in infancy with a specific EEG finding of suppression-burst patterns, characterized by high-voltage bursts alternating with almost flat suppression phases. Approximately 75% of DEE1 patients progress to tonic spasms with clustering, arrest of psychomotor development, and hypsarrhythmia on EEG (Kato et al., 2007). DEE1 is part of a phenotypic spectrum of disorders caused by mutation in the ARX gene comprising a nearly continuous series of developmental disorders ranging from lissencephaly (LISX2; 300215) to Proud syndrome (300004) to infantile spasms without brain malformations (DEE) to syndromic (309510) and nonsyndromic (300419) mental retardation. Although males with ARX mutations are often more severely affected, female mutation carriers may also be affected (Kato et al., 2004; Wallerstein et al., 2008). Reviews Deprez et al. (2009) reviewed the genetics of epilepsy syndromes starting in the first year of life and included a diagnostic algorithm. Genetic Heterogeneity of Developmental and Epileptic Encephalopathy Also see DEE2 (300672), caused by mutation in the CDKL5 gene (300203); DEE3 (609304), caused by mutation in the SLC25A22 gene (609302); DEE4 (612164), caused by mutation in the STXBP1 gene (602926); DEE5 (613477), caused by mutation in the SPTAN1 gene (182810); DEE6A (607208), also known as Dravet syndrome, caused by mutation in the SCN1A gene (182389); DEE6B (619317), also caused by mutation in the SCN1A gene; DEE7 (613720), caused by mutation in the KCNQ2 gene (602235); DEE8 (300607), caused by mutation in the ARHGEF9 gene (300429); DEE9 (300088), caused by mutation in the PCDH19 gene (300460); DEE10 (613402), caused by mutation in the PNKP gene (605610); DEE11 (613721), caused by mutation in the SCN2A gene (182390); DEE12 (613722), caused by mutation in the PLCB1 gene (607120); DEE13 (614558), caused by mutation in the SCN8A gene (600702); DEE14 (614959), caused by mutation in the KCNT1 gene (608167); DEE15 (615006), caused by mutation in the ST3GAL3 gene (606494); DEE16 (615338), caused by mutation in the TBC1D24 gene (613577); DEE17 (615473), caused by mutation in the GNAO1 gene (139311); DEE18 (615476), caused by mutation in the SZT2 gene (615463); DEE19 (615744), caused by mutation in the GABRA1 gene (137160); DEE20 (300868), caused by mutation in the PIGA gene (311770); DEE21 (615833), caused by mutation in the NECAP1 gene (611623); DEE22 (300896), caused by mutation in the SLC35A2 gene (314375); DEE23 (615859), caused by mutation in the DOCK7 gene (615730); DEE24 (615871), caused by mutation in the HCN1 gene (602780); DEE25 (615905), caused by mutation in the SLC13A5 gene (608305); DEE26 (616056), caused by mutation in the KCNB1 gene (600397); DEE27 (616139), caused by mutation in the GRIN2B gene (138252); DEE28 (616211), caused by mutation in the WWOX gene (605131); DEE29 (616339), caused by mutation in the AARS gene (601065); DEE30 (616341), caused by mutation in the SIK1 gene (605705); DEE31A (616346) and DEE31B (620352), caused by mutation in the DNM1 gene (602377); DEE32 (616366), caused by mutation in the KCNA2 gene (176262); DEE33 (616409), caused by mutation in the EEF1A2 gene (602959); DEE34 (616645), caused by mutation in the SLC12A5 gene (606726); DEE35 (616647), caused by mutation in the ITPA gene (147520); DEE36 (300884), caused by mutation in the ALG13 gene (300776); DEE37 (616981), caused by mutation in the FRRS1L gene (604574); DEE38 (617020), caused by mutation in the ARV1 gene (611647); DEE39 (612949), caused by mutation in the SLC25A12 gene (603667); DEE40 (617065), caused by mutation in the GUF1 gene (617064); DEE41 (617105), caused by mutation in the SLC1A2 gene (600300); DEE42 (617106), caused by mutation in the CACNA1A gene (601011); DEE43 (617113), caused by mutation in the GABRB3 gene (137192); DEE44 (617132), caused by mutation in the UBA5 gene (610552); DEE45 (617153), caused by mutation in the GABRB1 gene (137190); DEE46 (617162), caused by mutation in the GRIN2D gene (602717); DEE47 (617166), caused by mutation in the FGF12 gene (601513); DEE48 (617276), caused by mutation in the AP3B2 gene (602166); DEE49 (617281), caused by mutation in the DENND5A gene (617278); DEE50 (616457) caused by mutation in the CAD gene (114010); DEE51 (617339), caused by mutation in the MDH2 gene (154100); DEE52 (617350), caused by mutation in the SCN1B gene (600235); DEE53 (617389), caused by mutation in the SYNJ1 gene (604297); DEE54 (617391), caused by mutation in the HNRNPU gene (602869); DEE55 (617599), caused by mutation in the PIGP gene (605938); DEE56 (617665), caused by mutation in the YWHAG gene (605356); DEE57 (617771), caused by mutation in the KCNT2 gene (610044); DEE58 (617830), caused by mutation in the NTRK2 gene (600456); DEE59 (617904), caused by mutation in the GABBR2 gene (607340); DEE60 (617929), caused by mutation in the CNPY3 gene (610774); DEE61 (617933), caused by mutation in the ADAM22 gene (603709); DEE62 (617938), caused by mutation in the SCN3A gene (182391); DEE63 (617976), caused by mutation in the CPLX1 gene (605032); DEE64 (618004), caused by mutation in the RHOBTB2 gene (607352); DEE65 (618008), caused by mutation in the CYFIP2 gene (606323); DEE66 (618067), caused by mutation in the PACS2 gene (610423); DEE67 (618141), caused by mutation in the CUX2 gene (610648); DEE68 (618201), caused by mutation in the TRAK1 gene (608112); DEE69 (618285), caused by mutation in the CACNA1E gene (601013); DEE70 (618298) caused by mutation in the PHACTR1 gene (608723); DEE71 (618328), caused by mutation in the GLS gene (138280); DEE72 (618374), caused by mutation in the NEUROD2 gene (601725); DEE73 (618379), caused by mutation in the RNF13 gene (609247); DEE74 (618396), caused by mutation in the GABRG2 gene (137164); DEE75 (618437), caused by mutation in the PARS2 gene (612036); DEE76 (618468), caused by mutation in the ACTL6B gene (612458); DEE77 (618548), caused by mutation in the PIGQ gene (605754); DEE78 (618557), caused by mutation in the GABRA2 gene (137140); DEE79 (618559), caused by mutation in the GABRA5 gene (137142); DEE80 (618580), caused by mutation in the PIGB gene (604122); DEE81 (618663), caused by mutation in the DMXL2 gene (612186); DEE82 (618721), caused by mutation in the GOT2 gene (138150); DEE83 (618744), caused by mutation in the UGP2 gene (191760); DEE84 (618792), caused by mutation in the UGDH gene (603370); DEE85 (301044), caused by mutation in the SMC1A gene (300040); DEE86 (618910), caused by mutation in the DALRD3 gene (618904); DEE87 (618916), caused by mutation in the CDK19 gene (614720); DEE88 (618959), caused by mutation in the MDH1 gene (152400); DEE89 (619124), caused by mutation in the GAD1 gene (605363); DEE90 (301058), caused by mutation in the FGF13 gene (300070); DEE91 (617711), caused by mutation in the PPP3CA gene (114105); DEE92 (617829), caused by mutation in the GABRB2 gene (600232); DEE93 (618012), caused by mutation in the ATP6V1A gene (607027); DEE94 (615369), caused by mutation in the CHD2 gene (602119); DEE95 (618143), caused by mutation in the PIGS gene (610271); DEE96 (619340), caused by mutation in the NSF gene (601633); DEE97 (619561), caused by mutation in the iCELF2 gene (602538); DEE98 (619605), caused by mutation in the ATP1A2 gene (182340); DEE99 (619606), caused by mutation in the ATP1A3 gene (182350); DEE100 (619777), caused by mutation in the FBXO28 gene (609100); DEE101 (619814), caused by mutation in the GRIN1 gene (138249); DEE102 (619881), caused by mutation in the SLC38A3 gene (604437); DEE103 (619913), caused by mutation in the KCNC2 gene (176256); DEE104 (619970), caused by mutation in the ATP6V0A1 gene (192130); DEE105 (619983), caused by mutation in the HID1 gene (605752); DEE106 (620028), caused by mutation in the UFSP2 gene (611482); DEE107 (620033), caused by mutation in the NAPB gene (</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/483052">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_766363"><div><strong>Pontocerebellar hypoplasia type 1B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>766363</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3553449</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">EXOSC3 pontocerebellar hypoplasia (EXOSC3-PCH) is characterized by abnormalities in the posterior fossa and degeneration of the anterior horn cells. At birth, skeletal muscle weakness manifests as hypotonia (sometimes with congenital joint contractures) and poor feeding. In persons with prolonged survival, spasticity, dystonia, and seizures become evident. Within the first year of life respiratory insufficiency and swallowing difficulties are common. Intellectual disability is severe. Life expectancy ranges from a few weeks to adolescence. To date, 82 individuals (from 58 families) with EXOSC3-PCH have been described.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/766363">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_813018"><div><strong>SLC35A2-congenital disorder of glycosylation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>813018</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3806688</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital disorder of glycosylation type IIm, or developmental and epileptic encephalopathy-22 (DEE22), is an X-linked dominant severe neurologic disorder characterized by infantile-onset seizures, hypsarrhythmia on EEG, hypotonia, and developmental delay associated with severe intellectual disability and lack of speech. These features are consistent with developmental and epileptic encephalopathy (DEE). Brain malformations usually include cerebral and cerebellar atrophy. Additionally, some patients may have dysmorphic features or coarse facies (Ng et al., 2013; Kodera et al., 2013). For a general discussion of CDGs, see CDG1A (212065) and CDG2A (212066). For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/813018">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_815294"><div><strong>Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815294</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3808964</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital muscular dystrophy-dystroglycanopathy with brain and eye anomalies (type A) is an autosomal recessive disorder with congenital muscular dystrophy resulting in muscle weakness early in life and brain and eye anomalies. It is usually associated with delayed psychomotor development and shortened life expectancy. The phenotype includes the alternative clinical designations Walker-Warburg syndrome (WWS) and muscle-eye-brain disease (MEB). The disorder represents the most severe end of a phenotypic spectrum of similar disorders resulting from defective glycosylation of alpha-dystroglycan (DAG1; 128239), collectively known as dystroglycanopathies (summary by Stevens et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of muscular dystrophy-dystroglycanopathy type A, see MDDGA1 (236670).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/815294">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_815546"><div><strong>Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815546</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809216</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/815546">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815551"><div><strong>Muscular dystrophy-dystroglycanopathy (congenital with intellectual disability), type B14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815551</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809221</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MDDGB14 is an autosomal recessive congenital muscular dystrophy characterized by severe muscle weakness apparent in infancy and impaired intellectual development. Some patients may have additional features, such as microcephaly, cardiac dysfunction, seizures, or cerebellar hypoplasia. It is part of a group of similar disorders resulting from defective glycosylation of alpha-dystroglycan (DAG1; 128239), collectively known as 'dystroglycanopathies' (summary by Carss et al., 2013). For a discussion of genetic heterogeneity of congenital muscular dystrophy-dystroglycanopathy type B, see MDDGB1 (613155).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815551">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815922"><div><strong>Mitochondrial DNA depletion syndrome 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815922</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809592</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">FBXL4-related encephalomyopathic mitochondrial DNA (mtDNA) depletion syndrome is a multi-system disorder characterized primarily by congenital or early-onset lactic acidosis and growth failure, feeding difficulty, hypotonia, and developmental delay. Other neurologic manifestations can include seizures, movement disorders, ataxia, autonomic dysfunction, and stroke-like episodes. All affected individuals alive at the time they were reported (median age: 3.5 years) demonstrated significant developmental delay. Other findings can involve the heart (hypertrophic cardiomyopathy, congenital heart malformations, arrhythmias), liver (mildly elevated transaminases), eyes (cataract, strabismus, nystagmus, optic atrophy), hearing (sensorineural hearing loss), and bone marrow (neutropenia, lymphopenia). Survival varies; the median age of reported deaths was two years (range 2 days – 75 months), although surviving individuals as old as 36 years have been reported. To date FBXL4-related mtDNA depletion syndrome has been reported in 50 individuals.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815922">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_816385"><div><strong>Combined oxidative phosphorylation deficiency 19</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816385</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3810055</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any combined oxidative phosphorylation deficiency in which the cause of the disease is a mutation in the LYRM4 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816385">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854829"><div><strong>Aicardi-Goutieres syndrome 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854829</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888244</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Most characteristically, Aicardi-Goutières syndrome (AGS) manifests as an early-onset encephalopathy that usually, but not always, results in severe intellectual and physical disability. A subgroup of infants with AGS present at birth with abnormal neurologic findings, hepatosplenomegaly, elevated liver enzymes, and thrombocytopenia, a picture highly suggestive of congenital infection. Otherwise, most affected infants present at variable times after the first few weeks of life, frequently after a period of apparently normal development. Typically, they demonstrate the subacute onset of a severe encephalopathy characterized by extreme irritability, intermittent sterile pyrexias, loss of skills, and slowing of head growth. Over time, as many as 40% develop chilblain skin lesions on the fingers, toes, and ears. It is becoming apparent that atypical, sometimes milder, cases of AGS exist, and thus the true extent of the phenotype associated with pathogenic variants in the AGS-related genes is not yet known.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854829">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_862975"><div><strong>ADNP-related multiple congenital anomalies - intellectual disability - autism spectrum disorder</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>862975</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014538</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">ADNP-related disorder is characterized by hypotonia, severe speech and motor delay, mild-to-severe intellectual disability, and characteristic facial features (prominent forehead, high anterior hairline, wide and depressed nasal bridge, and short nose with full, upturned nasal tip) based on a cohort of 78 individuals. Features of autism spectrum disorder are common (stereotypic behavior, impaired social interaction). Other common findings include additional behavioral problems, sleep disturbance, brain abnormalities, seizures, feeding issues, gastrointestinal problems, visual dysfunction (hypermetropia, strabismus, cortical visual impairment), musculoskeletal anomalies, endocrine issues including short stature and hormonal deficiencies, cardiac and urinary tract anomalies, and hearing loss.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/862975">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_899837"><div><strong>SLC39A8-CDG</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>899837</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225234</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SLC39A8-CDG is characterized by mild-to-profound developmental delay, intellectual disability, hypotonia, feeding difficulties with poor weight gain and growth deficiency, dystonia, spasticity, epilepsy, ophthalmologic manifestations including cortical blindness and strabismus, and sensorineural hearing impairment.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/899837">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_897962"><div><strong>Congenital myasthenic syndrome 19</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>897962</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225235</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital myasthenic syndrome-19 (CMS19) is an autosomal recessive disorder resulting from a defect in the neuromuscular junction, causing generalized muscle weakness, exercise intolerance, and respiratory insufficiency. Patients present with hypotonia, feeding difficulties, and respiratory problems soon after birth, but the severity of the weakness and disease course is variable (summary by Logan et al., 2015). For a discussion of genetic heterogeneity of CMS, see CMS1A (601462).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/897962">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_902513"><div><strong>Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>902513</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225291</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital muscular dystrophy-dystroglycanopathy with brain and eye anomalies (type A) is an autosomal recessive disorder with characteristic brain and eye malformations, profound mental retardation, and congenital muscular dystrophy. The phenotype includes the alternative clinical designation Walker-Warburg syndrome (WWS), which is associated with death in infancy. The disorder represents the most severe end of a phenotypic spectrum of similar disorders resulting from defective glycosylation of alpha-dystroglycan (DAG1), collectively known as 'dystroglycanopathies' (summary by Geis et al., 2013 and Riemersma et al., 2015). For a general phenotypic description and a discussion of genetic heterogeneity of muscular dystrophy-dystroglycanopathy type A, see MDDGA1 (236670).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/902513">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_895496"><div><strong>Microcephaly 15, primary, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>895496</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225310</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with progressive microcephaly, spasticity, and brain imaging abnormalities (NEDMISBA) is an autosomal recessive disorder characterized by a spectrum of neurologic abnormalities apparent from early infancy. Affected individuals have impaired intellectual development with poor speech, progressive microcephaly, and appendicular spasticity. Brain imaging usually shows abnormalities, including enlarged ventricles, white matter defects, and atrophy or hypoplasia of brain tissue. Some patients have a more severe phenotype with seizures, lack of developmental milestones, and early death (summary by Harel et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/895496">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_898378"><div><strong>Congenital myasthenic syndrome 3A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>898378</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225372</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Slow-channel congenital myasthenic syndrome (SCCMS) is a disorder of the postsynaptic neuromuscular junction (NMJ) characterized by early-onset progressive muscle weakness. The disorder results from kinetic abnormalities of the AChR channel, specifically from prolonged opening and activity of the channel, which causes prolonged synaptic currents resulting in a depolarization block. This is associated with calcium overload, which may contribute to subsequent degeneration of the endplate and postsynaptic membrane. Treatment with quinine, quinidine, or fluoxetine may be helpful; acetylcholinesterase inhibitors and amifampridine should be avoided (summary by Engel et al., 2015). For a discussion of genetic heterogeneity of CMS, see CMS1A (601462).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/898378">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_908185"><div><strong>Congenital myasthenic syndrome 2A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>908185</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225374</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Slow-channel congenital myasthenic syndrome (SCCMS) is a disorder of the postsynaptic neuromuscular junction (NMJ) characterized by early-onset progressive muscle weakness. The disorder results from kinetic abnormalities of the acetylcholine receptor channel, specifically from prolonged opening and activity of the channel, which causes prolonged synaptic currents resulting in a depolarization block. This is associated with calcium overload, which may contribute to subsequent degeneration of the endplate and postsynaptic membrane. Treatment with quinine, quinidine, or fluoxetine may be helpful; cholinesterase inhibitors and amifampridine should be avoided (summary by Engel et al., 2015). For a discussion of genetic heterogeneity of CMS, see CMS1A (601462).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/908185">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_906731"><div><strong>Myopathy, reducing body, X-linked, early-onset, severe</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>906731</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225423</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Reducing-body myopathy (RBM) is a rare myopathy characterized pathologically by the presence of intracytoplasmic inclusion bodies strongly stained by menadione-linked alpha-glycerophosphate dehydrogenase (MAG) in the absence of substrate, alpha-glycerophosphate. The term 'reducing body' refers to the reducing activity of the inclusions to nitroblue tetrazolium (NBT) in the absence of substrate. This condition is also commonly associated with rimmed vacuoles and cytoplasmic bodies. The clinical features of RBM are variable; a severe form has onset in infancy or early childhood and results in severe disability or early death, and a less severe form has onset in late childhood or adulthood (RBMX1B; 300718) (summary by Liewluck et al., 2007 and Shalaby et al., 2009).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/906731">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_929215"><div><strong>Brain dopamine-serotonin vesicular transport disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>929215</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4303546</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An infantile-onset neurometabolic disease with characteristics of dystonia, parkinsonism, nonambulation, autonomic dysfunction, developmental delay and mood disturbances. The prevalence is unknown. It has been described in 8 patients from one Saudi Arabian family to date. Caused by a mutation in the SLC18A2 gene (10q25), encoding the vesicular monoamine transporter 2 (VMAT2) which is responsible for the transport of dopamine and serotonin into synaptic vesicles. Mutations in this gene lead to the impairment of VMAT2 and consequently to problems with motor control, autonomic functioning and mood regulation. It is inherited in an autosomal recessive manner.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/929215">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_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_934608"><div><strong>Intellectual disability, autosomal recessive 58</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934608</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310641</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any autosomal recessive non-syndromic intellectual disability in which the cause of the disease is a mutation in the ELP2 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934608">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934659"><div><strong>Arthrogryposis, distal, with impaired proprioception and touch</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934659</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310692</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Distal arthrogryposis with impaired proprioception and touch is an autosomal recessive neurologic disorder characterized by loss of certain mechanosensation modalities resulting in ataxia, difficulty walking, dysmetria, muscle weakness and atrophy, and progressive skeletal contractures. Patients have onset of symptoms in early childhood (summary by Chesler et al., 2016 and Delle Vedove et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934659">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934713"><div><strong>Hermansky-Pudlak syndrome 10</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934713</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310746</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934713">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934738"><div><strong>Intellectual disability, autosomal dominant 43</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934738</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310771</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant intellectual developmental disorder-43 (MRD43) is characterized by delayed psychomotor development with impaired intellectual development and poor speech, hypotonia, and nonspecific dysmorphic features (Steinfeld et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934738">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1372686"><div><strong>Developmental and epileptic encephalopathy, 51</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1372686</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479208</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-51 (DEE51) is an autosomal recessive severe neurodevelopmental disorder characterized by onset of intractable seizures and hypotonia in the first days or weeks of life. Affected individuals have severely delayed psychomotor development and may show abnormal movements. Brain imaging shows nonspecific abnormalities, such as cerebral atrophy, cerebellar atrophy, and delayed myelination. Laboratory studies showed increased lactate, suggesting mitochondrial dysfunction (summary by Ait-El-Mkadem et al., 2017). For a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1372686">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1377894"><div><strong>Neurodevelopmental disorder with epilepsy, cataracts, feeding difficulties, and delayed brain myelination</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1377894</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479333</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with epilepsy, cataracts, feeding difficulties, and delayed brain myelination is a syndromic form of severe to profound intellectual disability with onset of delayed psychomotor development and seizures in infancy. Affected children have hypotonia, feeding difficulties resulting in failure to thrive, and inability to speak or walk, and they tend to show repetitive stereotypic behaviors. Brain imaging shows cerebral atrophy and delayed myelination (summary by Schoch et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1377894">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1373185"><div><strong>Arthrogryposis multiplex congenita 1, neurogenic, with myelin defect</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1373185</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479539</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">AMC1 is an autosomal recessive severe neurologic disorder with onset in utero. Most affected individuals die in utero or are subject to pregnancy termination because of lack of fetal movements and prenatal evidence of contractures of virtually all joints. Those who survive have generalized contractures and hypotonia. The disorder is caused by a neurogenic defect and poor or absent myelin formation around peripheral nerves rather than by a muscular defect (summary by Xue et al., 2017). <Genetic Heterogeneity of Arthrogryposis Multiplex Congenita Also see AMC2 (208100), caused by mutation in the ERGIC1 gene (617946); AMC3 (618484), caused by mutation in the SYNE1 gene (608441); AMC4 (618776), caused by mutation in the SCYL2 gene (616365); AMC5 (618947), caused by mutation in the TOR1A gene (605204), AMC6 (619334), caused by mutation in the NEB gene (161650), and AMC7 (301127), caused by mutation in the THOC2 gene (300395).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1373185">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1374697"><div><strong>Neurodevelopmental disorder with involuntary movements</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1374697</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479569</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">GNAO1-related disorder encompasses a broad phenotypic continuum that includes hyperkinetic movement disorders and/or epilepsy and is typically associated with developmental delay and intellectual disability. Viewed by age of onset, three clusters in this continuum can be observed: (1) infantile-onset developmental and epileptic encephalopathy (DEE) with or without prominent movement disorder; (2) infantile- or early childhood-onset prominent movement disorder and neurodevelopmental disorder with or without childhood-onset epilepsy with varying seizure types; (3) later childhood- or adult-onset movement disorder with variable developmental delay and intellectual disability. Epilepsy can be either DEE (onset typically within the first year of life of drug-resistant epilepsy in which developmental delays are attributed to the underlying diagnosis as well as the impact of uncontrolled seizures) or varying seizure types (onset typically between ages three and ten years of focal or generalized tonic-clonic seizures that may be infrequent or well controlled with anti-seizure medications). Movement disorders are characterized by dystonia and choreoathetosis, most commonly a mixed pattern of persistent or paroxysmal dyskinesia that affects the whole body. Exacerbations of the hyperkinetic movement disorder, which can be spontaneous or triggered (e.g., by intercurrent illness, emotional stress, voluntary movements), can last minutes to weeks. Hyperkinetic crises (including status dystonicus) are characterized by temporarily increased and nearly continuous involuntary movements or dystonic posturing that can be life-threatening. Deaths in early childhood have been reported due to medically refractory epilepsy or hyperkinetic crises, but the phenotypic spectrum includes milder presentations, including in adults. As many adults with disabilities have not undergone advanced genetic testing, it is likely that adults with GNAO1-related disorder are underrecognized and underreported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1374697">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1382171"><div><strong>Neurodevelopmental disorder with hypotonia, neuropathy, and deafness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1382171</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479603</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SPTBN4 disorder is typically characterized by severe-to-profound developmental delay and/or intellectual disability, although two individuals in one family had a milder phenotype, including one individual with normal cognitive development. Speech and language skills are often severely limited. Affected individuals rarely achieve head control. Most are unable to sit, stand, or walk. Affected individuals typically have congenital hypotonia that may transition to hypertonia. Axonal motor neuropathy leads to hyporeflexia/areflexia and weakness, which can result in respiratory difficulties requiring ventilatory support. Most affected individuals require tube feeding for nutrition. Half of affected individuals develop seizures. Cortical visual impairment and auditory neuropathy have also been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1382171">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1622363"><div><strong>Developmental and epileptic encephalopathy, 55</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1622363</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4539843</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-55 (DEE55) is an autosomal recessive neurologic disorder characterized by onset of refractory seizures in the first weeks or months of life. Affected individuals have an extremely poor outcome, with profoundly impaired intellectual development, absent speech, spastic quadriplegia, and dyskinetic movements. Most have cortical visual impairment and require a feeding tube. Brain imaging shows nonspecific abnormalities, including cerebral atrophy, thin corpus callosum, and abnormal signals in the white matter. Death in childhood may occur. Biochemically, the disorder is associated with impaired synthesis of GPI-anchored proteins (summary by Vetro et al., 2020). For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350. For a discussion of genetic heterogeneity of GPI biosynthesis defects, see GPIBD1 (610293).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1622363">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1614787"><div><strong>Intellectual disability, autosomal dominant 54</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1614787</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540484</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1614787">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1615361"><div><strong>Neurodevelopmental disorder with microcephaly, seizures, and cortical atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1615361</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540493</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with microcephaly, seizures, and cortical atrophy (NDMSCA) is an autosomal recessive disorder characterized by severe global developmental delay with poor motor and intellectual function apparent soon after birth, as well as postnatal progressive microcephaly. Most patients develop early-onset, frequent, and often intractable seizures, compatible with an epileptic encephalopathy. Other features include poor feeding, poor overall growth, absent speech, poor or absent eye contact, inability to achieve walking, hypotonia, and peripheral spasticity. Brain imaging usually shows progressive cerebral atrophy, thin corpus callosum, and abnormalities in myelination. Death in childhood may occur (summary by Siekierska et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1615361">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1644883"><div><strong>Joubert syndrome 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1644883</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551568</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/1644883">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1633749"><div><strong>Developmental and epileptic encephalopathy, 59</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1633749</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693550</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-59 (DEE59) is characterized by severe global developmental delay apparent in infancy with onset of various types of seizures in the first months of life (range 3 to 11 months). The seizures are usually refractory and are often associated with hypsarrhythmia on EEG, although brain imaging is usually normal. More severely affected individuals may be unable to speak or walk, have poor interaction, and require a feeding tube (summary by the EuroEPINOMICS-RES Consortium et al., 2014). For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1633749">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1634867"><div><strong>Neurodevelopmental disorder with microcephaly, cataracts, and renal abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1634867</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693567</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/1634867">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_1646846"><div><strong>Developmental and epileptic encephalopathy, 63</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1646846</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693810</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-63 (DEE63) is an autosomal recessive neurologic disorder characterized by early-onset refractory infantile spasms and myoclonic seizures in the first months to years of life. Affected individuals have severe to profound developmental delay, often with hypotonia and inability to sit or speak (summary by Redler et al., 2017). For a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1646846">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1631854"><div><strong>Combined oxidative phosphorylation defect type 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1631854</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4706283</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-13 (COXPD13) is an autosomal recessive multisystem disorder resulting from mitochondrial dysfunction. Affected individuals develop severe neurologic impairment in the first months of life, including hypotonia, abnormal dystonic movements, hearing loss, poor feeding, global developmental delay, and abnormal eye movements. Brain imaging shows signal abnormalities in putamen, basal ganglia, caudate nuclei, or corpus callosum, as well as delayed myelination. Analysis of patient tissues shows multiple defects in enzymatic activities of the mitochondrial respiratory chain, although some tissues may show normal values since tissue expression of the mitochondrial defect and metabolic needs of specific tissues are variable (summary by Vedrenne et al., 2012). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1631854">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1645614"><div><strong>Leukoencephalopathy-thalamus and brainstem anomalies-high lactate syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1645614</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4706421</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-12 (COXPD12) is an autosomal recessive mitochondrial neurologic disorder characterized by onset in infancy of hypotonia and delayed psychomotor development, or early developmental regression, associated with T2-weighted hyperintensities in the deep cerebral white matter, brainstem, and cerebellar white matter. Serum lactate is increased due to a defect in mitochondrial respiration. There are 2 main phenotypic groups: those with a milder disease course and some recovery of skills after age 2 years, and those with a severe disease course resulting in marked disability (summary by Steenweg et al., 2012). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1645614">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648446"><div><strong>Neuropathy, congenital hypomyelinating, 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648446</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4722277</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital hypomyelinating neuropathy-2 is an autosomal dominant neurologic disorder characterized by early-onset hypotonia, severely delayed motor development, muscle weakness with areflexia, and severely decreased nerve conduction velocities (NCV) resulting from improper myelination of axons. The severity is variable: some patients may present at birth with contractures and respiratory insufficiency, whereas others may achieve walking (summary by Warner et al., 1996). CHN shows significant phenotypic overlap with Dejerine-Sottas syndrome (DSS; 145900), which is also a neuropathy with early onset. Some classify the disorders differently, noting that CHN is characterized by hypo- or amyelination resulting from a congenital defect in myelin formation, whereas DSS has features of continuous myelin breakdown, with demyelination and remyelination (summary by Smit et al., 2008). For a discussion of genetic heterogeneity of CHN, see CHN1 (605253).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648446">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648387"><div><strong>Pontocerebellar hypoplasia, type 1D</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648387</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748058</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pontocerebellar hypoplasia type 1D (PCH1D) is a severe autosomal recessive neurologic disorder characterized by severe hypotonia and a motor neuronopathy apparent at birth or in infancy. Patients have respiratory insufficiency, feeding difficulties, and severely delayed or minimal gross motor development. Other features may include eye movement abnormalities, poor overall growth, contractures. Brain imaging shows progressive cerebellar atrophy with relative sparing of the brainstem (summary by Burns et al., 2018). For a general phenotypic description and a discussion of genetic heterogeneity of PCH, see PCH1A (607596).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648387">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648309"><div><strong>Neurodevelopmental disorder with spasticity and poor growth</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648309</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748081</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with spasticity and poor growth (NEDSG) is an autosomal recessive disorder characterized by severe early-onset encephalopathy with progressive microcephaly (Nahorski et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648309">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_1648347"><div><strong>Mitochondrial complex 1 deficiency, nuclear type 22</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648347</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748796</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/1648347">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648493"><div><strong>Mitochondrial complex 1 deficiency, nuclear type 28</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648493</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748827</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial complex I deficiency nuclear type 28 (MC1DN28) is an autosomal recessive disorder characterized by hypotonia, nystagmus, bilateral lesions in the basal ganglia, and lactic acidosis (summary by Gonzalez-Quintana et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648493">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648407"><div><strong>Developmental and epileptic encephalopathy, 70</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648407</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4749023</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-70 (DEE70) is neurologic disorder characterized by the onset of epileptic spasms or seizures in the first months of life. EEG may show hypsarrhythmia, consistent with a clinical diagnosis of West syndrome. Affected individuals show severely delayed psychomotor development with impaired or absent walking and language skills; intellectual impairment ranges from moderate to severe (summary by Hamada et al., 2018). For a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648407">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1683288"><div><strong>Myasthenic syndrome, congenital, 25, presynaptic</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1683288</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193027</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital myasthenic syndrome-25 (CMS25) is an autosomal recessive neuromuscular disorder characterized by hypotonia and generalized muscle weakness apparent from birth. Affected individuals have feeding difficulties and delayed motor development, usually never achieving independent ambulation. Additional variable features include eye movement abnormalities, joint contractures, and rigid spine. Pyridostigmine treatment may be partially effective (summary by Shen et al., 2017). For a discussion of genetic heterogeneity of CMS, see CMS1A (601462).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1683288">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1675208"><div><strong>Combined oxidative phosphorylation deficiency 37</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1675208</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193031</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-37 is an autosomal recessive multisystem disorder apparent at birth or in the first months of life. Affected individuals have hypotonia, failure to thrive, and neurodegeneration with loss of developmental milestones, as well as liver dysfunction. Some patients may have hypertrophic cardiomyopathy, loss of vision and hearing, and/or seizures. Mitochondrial respiratory dysfunction is apparent in liver and skeletal muscle tissue. Most patients die in childhood (summary by Zeharia et al., 2016). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1675208">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1676579"><div><strong>Neurodegeneration, early-onset, with choreoathetoid movements and microcytic anemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1676579</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193104</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Early-onset neurodegeneration with choreoathetoid movements and microcytic anemia (NDCAMA) is an autosomal recessive disorder characterized by severe psychomotor developmental abnormalities, abnormal movements, and functional iron deficiency (Costain et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1676579">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684735"><div><strong>Developmental and epileptic encephalopathy, 77</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684735</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231405</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Multiple congenital anomalies-hypotonia-seizures syndrome-4 (MCAHS4) is an autosomal recessive neurologic disorder characterized by onset of refractory seizures in the first months of life. Patients have severe global developmental delay, and may have additional variable features, including dysmorphic or coarse facial features, visual defects, and mild skeletal or renal anomalies. At the cellular level, the disorder is caused by a defect in the synthesis of glycosylphosphatidylinositol (GPI), and thus affects the expression of GPI-anchored proteins at the cell surface (summary by Starr et al., 2019). For a discussion of genetic heterogeneity of MCAHS, see MCAHS1 (614080). For a discussion of genetic heterogeneity of DEE, see 308350. For a discussion of genetic heterogeneity of GPI biosynthesis defects, see GPIBD1 (610293).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684735">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_1684689"><div><strong>Neuromuscular disease and ocular or auditory anomalies with or without seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684689</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231483</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neuromuscular oculoauditory syndrome (NMOAS) is a neurodevelopmental disorder with variable features including hypotonia, nonspecific developmental delay, and ear deformity or sensorineural deafness. Features may be reminiscent of Aicardi syndrome (see 304050), with chorioretinal lacunae, infantile spasms, and agenesis of the corpus callosum (Paine et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684689">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1716098"><div><strong>Neurodevelopmental disorder with hypotonia, neonatal respiratory insufficiency, and thermodysregulation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1716098</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5394091</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with hypotonia, neonatal respiratory insufficiency, and thermodysregulation (NEDHRIT) is a severe autosomal recessive disorder characterized by neonatal respiratory distress, poor feeding, and impaired global development. Affected individuals are unable to walk or speak and have poor or absent eye contact. Some patients may develop seizures (summary by Wagner et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1716098">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1771692"><div><strong>Neurodegeneration, infantile-onset, biotin-responsive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1771692</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436520</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Sodium-dependent multivitamin transporter deficiency (SMVTD) is an autosomal recessive multisystemic metabolic disorder with highly variable manifestations. Affected individuals usually present at birth or in infancy with severe feeding problems, gastrointestinal reflux, cyclic vomiting, and diarrhea associated with failure to thrive. Gastrointestinal hemorrhage may occur; tube-feeding is often required for a short time. The course and severity of the disease varies: some patients have episodes of acute metabolic decompensation during infection that respond well to treatment, whereas others show more permanent neurologic regression with loss of early motor and cognitive milestones in the first year or so of life. Less severely affected patients have normal development or mild growth and motor delays, whereas more severely affected individuals may have seizures, ataxia, spasticity, peripheral neuropathy, immune defects, and osteopenia. In severely affected patients, brain imaging shows cerebral, cerebellar, and brainstem atrophy and thin corpus callosum. Treatment with biotin, pantothenic acid, and alpha-lipoic acid has been shown to result in significant clinical improvement (Byrne et al., 2019; Hauth et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1771692">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1753519"><div><strong>Combined oxidative phosphorylation deficiency 50</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1753519</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436623</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/1753519">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1745691"><div><strong>Mitochondrial complex 4 deficiency, nuclear type 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1745691</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436695</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 12 (MC4DN12) is an autosomal recessive metabolic disorder characterized by the onset of neurologic dysfunction in early infancy. Affected individuals demonstrate hypotonia with poor head control, profoundly delayed global development with inability to fix and follow, poor overall growth, abnormal spasms or myoclonus, and seizures. Most patients die in the first years of life; those that survive have spastic quadriplegia, feeding difficulties necessitating tube feeding, and profoundly impaired intellectual development with poor or absent communication. More variable features include cortical blindness, nystagmus, scoliosis, and hearing impairment. Brain imaging shows abnormalities consistent with Leigh syndrome (see 256000), as well as cystic cavitation. Laboratory studies show lactic acidosis, increased serum creatine kinase, and decreased levels and activity of mitochondrial respiratory complex IV (summary by Lim et al., 2014). 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/1745691">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1762514"><div><strong>Mitochondrial complex 4 deficiency, nuclear type 16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1762514</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436714</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 16 (MC4DN16) is an autosomal recessive metabolic disorder with highly variable manifestations. Common features include failure to thrive with poor overall growth, short stature, and microcephaly. Some patients additionally have neurologic involvement, including developmental regression with severe hypotonia, feeding difficulties, and seizures. Brain imaging in the more severely affected patients shows cerebral and cerebellar atrophy and abnormal lesions in the basal ganglia. In all cases, patient tissues show variably decreased levels and activity of mitochondrial respiratory complex IV (summary by Pillai et al., 2019). 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/1762514">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1782861"><div><strong>Mitochondrial complex 2 deficiency, nuclear type 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1782861</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543176</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial complex II deficiency nuclear type 4 (MC2DN4) is a severe autosomal recessive disorder characterized by early-onset progressive neurodegeneration with leukoencephalopathy. Acute episodes of neurodegeneration are often triggered by catabolic stress such as infection or fasting.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1782861">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1783339"><div><strong>Mitochondrial complex 1 deficiency, nuclear type 37</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1783339</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543281</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/1783339">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1788511"><div><strong>Onychodystrophy, osteodystrophy, impaired intellectual development, and seizures syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1788511</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543496</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Onychodystrophy, osteodystrophy, impaired intellectual development, and seizures syndrome (OORS) is an autosomal recessive syndromic developmental disorder characterized by global developmental delay with impaired intellectual development, dysmorphic facial features, and hypoplastic terminal phalanges and nails. Patients have seizures or tonic posturing. The disorder is associated with a defect in GPI anchoring of membrane-bound proteins (summary by Salian et al., 2021). For a discussion of genetic heterogeneity of GPI biosynthesis defects, see GPIBD1 (610293). See also DOORS syndrome (220500), which shows some overlapping clinical features.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1788511">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794209"><div><strong>Developmental and epileptic encephalopathy 97</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794209</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561999</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-97 (DEE97) is characterized by developmental delay, epileptic encephalopathy, and impaired intellectual development. Other clinical features may include autistic features and hypotonia. For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794209">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794248"><div><strong>Neurodevelopmental disorder with hyperkinetic movements and dyskinesia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794248</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562038</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with hyperkinetic movements and dyskinesia (NEDHYD) is an autosomal recessive complex neurologic disorder characterized by severe global developmental delay with axial hypotonia, impaired intellectual development, poor overall growth, and abnormal involuntary hyperkinetic movements, including dystonia, myoclonus, spasticity, and orofacial dyskinesia. It is the most severe manifestation of ADCY5-related dyskinetic disorders (summary by Okamoto et al., 2021 and Kaiyrzhanov et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794248">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794262"><div><strong>Neurodevelopmental disorder with microcephaly, seizures, and neonatal cholestasis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794262</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562052</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with microcephaly, seizures, and neonatal cholestasis (NEDMSC) is an autosomal recessive disorder characterized by severely impaired global development apparent from infancy, progressive microcephaly, and neonatal cholestasis manifest as jaundice and elevated liver enzymes. The liver disease resolves, but affected individuals show feeding difficulties, failure to thrive, hypotonia, seizures, hyperkinetic movements, irritability, and poor eye contact or vision, and achieve almost no motor or cognitive developmental milestones. Brain imaging demonstrates agenesis or hypoplasia of the corpus callosum. Death in early childhood may occur (summary by Schneeberger et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794262">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1805172"><div><strong>Developmental and epileptic encephalopathy 101</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1805172</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676955</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-101 (DEE101) is a severe autosomal recessive disorder characterized by early infantile epileptic encephalopathy and severe global developmental delay (summary by Blakes et al., 2022). For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1805172">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1810366"><div><strong>Dentici-Novelli neurodevelopmental syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1810366</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676987</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Dentici-Novelli neurodevelopmental syndrome (DENNED) is an autosomal recessive disorder characterized by global developmental delay with impaired intellectual development apparent from infancy. The severity of the phenotype is highly variable: more severely affected individuals have axial hypotonia, peripheral spasticity, microcephaly, early-onset seizures, brain imaging abnormalities, and are unable to walk or speak. Those with a less severe phenotype may achieve some developmental goals and show less severe intellectual disability (Dentici et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1810366">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1809962"><div><strong>Developmental and epileptic encephalopathy 103</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1809962</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5677002</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-103 (DEE103) is characterized by onset of various types of seizures in the first year of life, most of which are refractory to treatment. Affected individuals show global developmental delay with impaired intellectual development ranging from mild to severe. Additional features may include hypotonia, ataxia, and behavioral abnormalities, including autism and hyperactivity (Schwarz et al., 2022). For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1809962">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824038"><div><strong>Developmental and epileptic encephalopathy 110</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824038</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774265</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-110 (DEE110) is an autosomal recessive disorder characterized by profound global developmental delay and hypotonia apparent in infancy followed by onset of seizures in the first months or years of life. Affected individuals achieve almost no developmental milestones and show impaired intellectual development, poor or absent speech, inability to walk or grasp objects, peripheral spasticity, and poor eye contact. Brain imaging shows hypoplastic corpus callosum and cortical atrophy (Dahimene et al., 2022). For a discussion of genetic heterogeneity of DEE, see 308350.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824038">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824068"><div><strong>Congenital disorder of glycosylation, type IIz</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824068</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774295</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital disorder of glycosylation type IIz (CDG2Z) is an autosomal recessive disorder characterized by poor overall growth, severe global developmental delay, seizures, contractures, hypotonia, spasticity, and brain imaging abnormalities. Serum transferrin shows a type 2 pattern of glycosylation abnormalities with a combined N- and O-glycosylation defect (Wilson et al., 2022). For a general discussion of CDGs, see CDG1A (212065).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824068">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1840936"><div><strong>Congenital myopathy 2b, severe infantile, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1840936</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830300</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive congenital myopathy-2B (CMYO2B) is a disorder of the skeletal muscle characterized by severe hypotonia with lack of spontaneous movements and respiratory insufficiency, usually leading to death in infancy or early childhood (Agrawal et al., 2004). However, longer survival has also been reported, likely due to the type of mutation and extent of its impact (O'Grady et al., 2015). Mutations in the ACTA1 gene can cause a range of skeletal muscle diseases. About 90% of patients with ACTA1 mutations carry heterozygous mutations, usually de novo (CMYO2A; 161800), whereas 10% of patients carry biallelic ACTA1 mutations (CMYO2B) (Nowak et al., 2007). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1840936">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841095"><div><strong>Developmental and epileptic encephalopathy, 31B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841095</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830459</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-31B (DEE31B) is an autosomal recessive neurologic disorder with early-onset epilepsy, generalized muscular hypotonia, visual impairment, and severe neurodevelopmental delay (Yigit et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841095">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841145"><div><strong>Neurodevelopmental disorder with intracranial hemorrhage, seizures, and spasticity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841145</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830509</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with intracranial hemorrhage, seizures, and spasticity (NEDIHSS) is an autosomal recessive disorder characterized by prenatal or neonatal onset of intracranial hemorrhage, usually with ventriculomegaly and calcifications, resulting in parenchymal brain damage. Some affected individuals have symptoms incompatible with life and die in utero. Those that survive show profound global developmental delay with almost no motor or cognitive skills, hypotonia, spasticity, and seizures. Other features may include facial dysmorphism, retinal vascular abnormalities, and poor overall growth. The pathogenesis of the disease likely results from dysfunction of vascular endothelial cells in the brain (Lecca et al., 2023).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841145">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841185"><div><strong>Nemaline myopathy 5C, autosomal dominant</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841185</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830549</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant nemaline myopathy-5C (NEM5C) is a relatively mild skeletal muscle disorder with wide clinical variability, even within families. Affected individuals develop symptoms of muscle weakness in the first or second decades; those with earlier onset tend to have a more severe disease course. Features include difficulty walking on the heels, waddling gait, proximal muscle weakness affecting the upper and lower limbs, and Gowers sign. Additional features may include myopathic facies, high-arched palate, scoliosis or kyphosis, and ankle weakness. Patients remain ambulatory into late adulthood. Skeletal muscle biopsy shows hypotrophy of type 1 fibers, hypertrophy of type 2 fibers, fiber size variation, and myofibrillar disorganization. Nemaline rods in type 1 fibers are often observed, but are not always present (Konersman et al., 2017; Holling et al., 2022). For a discussion of genetic heterogeneity of nemaline myopathy, see NEM2 (256030).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1841185">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1845578"><div><strong>Werdnig-Hoffmann disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1845578</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5848259</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Spinal muscular atrophy (SMA) is characterized by muscle weakness and atrophy resulting from progressive degeneration and irreversible loss of the anterior horn cells in the spinal cord (i.e., lower motor neurons) and the brain stem nuclei. The onset of weakness ranges from before birth to adulthood. The weakness is symmetric, proximal greater than distal, and progressive. Before the genetic basis of SMA was understood, it was classified into clinical subtypes based on maximum motor function achieved; however, it is now apparent that the phenotype of SMN1-associated SMA spans a continuum without clear delineation of subtypes. With supportive care only, poor weight gain with growth failure, restrictive lung disease, scoliosis, and joint contractures are common complications; however, newly available targeted treatment options are changing the natural history of the disease.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1845578">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_1844996"><div><strong>Leukodystrophy, hypomyelinating, 27</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1844996</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882743</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Hypomyelinating leukodystrophy-27 (HLD27) is an autosomal recessive neurologic disorder characterized by global developmental delay with impaired motor and intellectual development apparent from infancy. Affected individuals have poor or absent speech, ataxic gait or inability to sit or walk, spasticity, and abnormal eye movements (nystagmus, gaze palsy). Some patients have seizures. Disease progression and developmental regression consistent with neurodegeneration is often observed. Brain imaging shows progressive hypomyelinating leukodystrophy, cerebral and cerebellar atrophy, and thin corpus callosum (Misceo et al., 2023). For a general phenotypic description and a discussion of genetic heterogeneity of HLD, see 312080.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1844996">Condition Record</a></div></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_862975" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">ADNP-related multiple congenital anomalies - intellectual disability - autism spectrum disorder</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_162912" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Aicardi-Goutieres syndrome 1</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854829" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Aicardi-Goutieres syndrome 7</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1373185" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Arthrogryposis multiplex congenita 1, neurogenic, with myelin defect</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934659" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Arthrogryposis, distal, with impaired proprioception and touch</a></div><div class="jig-moreless" data-jigconfig="class: 'moveDown', moreText: 'See full list (108)', lessText: 'Show less', nodeBefore: 0"><span id="clinMore">
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_409627" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive osteopetrosis 5</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_929215" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Brain dopamine-serotonin vesicular transport disease</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_332113" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">CEDNIK syndrome</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462057" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chromosome 14q11-q22 deletion syndrome</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462419" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chromosome 17p13.1 deletion syndrome</a></div>
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||
<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_1631854" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation defect type 13</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816385" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 19</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1675208" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 37</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1753519" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 50</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824068" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital disorder of glycosylation, type IIz</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_413043" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital muscular dystrophy due to LMNA mutation</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_897962" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myasthenic syndrome 19</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_908185" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myasthenic syndrome 2A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_898378" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myasthenic syndrome 3A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1840936" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myopathy 2b, severe infantile, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462555" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Constitutional megaloblastic anemia with severe neurologic disease</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1810366" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dentici-Novelli neurodevelopmental syndrome</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1805172" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy 101</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1809962" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy 103</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824038" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy 110</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794209" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy 97</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_483052" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 1</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841095" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 31B</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_414492" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 39</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1372686" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 51</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1622363" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 55</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1633749" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 59</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1646846" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 63</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648407" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 70</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684735" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 77</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482790" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ehlers-Danlos syndrome, kyphoscoliotic type, 2</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_98047" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Eichsfeld type congenital muscular dystrophy</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_96563" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gillespie syndrome</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934713" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 10</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462408" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypermethioninemia with deficiency of S-adenosylhomocysteine hydrolase</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_325157" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypomyelinating leukodystrophy 2</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_383026" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypomyelinating leukodystrophy 4</a></div>
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<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>
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||
<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>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934738" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, autosomal dominant 43</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1614787" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, autosomal dominant 54</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934608" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, autosomal recessive 58</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1644883" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Joubert syndrome 1</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_9721" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lesch-Nyhan syndrome</a></div>
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||
<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>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1844996" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukodystrophy, hypomyelinating, 27</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1645614" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy-thalamus and brainstem anomalies-high lactate syndrome</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482309" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">MEGF10-related myopathy</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_44030" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Menkes kinky-hair syndrome</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_895496" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcephaly 15, primary, autosomal recessive</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648347" 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 22</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648493" 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 28</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1783339" 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 37</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1782861" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex 2 deficiency, nuclear type 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1745691" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex 4 deficiency, nuclear type 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1762514" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex 4 deficiency, nuclear type 16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_374101" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial complex I deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815922" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial DNA depletion syndrome 13</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462826" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial DNA depletion syndrome 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_435914" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mucolipidosis type II</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_477139" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multiple congenital anomalies-hypotonia-seizures syndrome 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482008" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multiple mitochondrial dysfunctions syndrome 2</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_815294" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815546" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_461763" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_902513" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815551" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy-dystroglycanopathy (congenital with intellectual disability), type B14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1683288" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myasthenic syndrome, congenital, 25, presynaptic</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_906731" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, reducing body, X-linked, early-onset, severe</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_341899" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">NDE1-related microhydranencephaly</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841185" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nemaline myopathy 5C, autosomal dominant</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1676579" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration, early-onset, with choreoathetoid movements and microcytic anemia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1771692" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration, infantile-onset, biotin-responsive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1377894" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with epilepsy, cataracts, feeding difficulties, and delayed brain myelination</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794248" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with hyperkinetic movements and dyskinesia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1716098" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with hypotonia, neonatal respiratory insufficiency, and thermodysregulation</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1382171" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with hypotonia, neuropathy, and deafness</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841145" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with intracranial hemorrhage, seizures, and spasticity</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1374697" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with involuntary movements</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1634867" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with microcephaly, cataracts, and renal abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1615361" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with microcephaly, seizures, and cortical atrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794262" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with microcephaly, seizures, and neonatal cholestasis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648309" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with spasticity and poor growth</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684689" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuromuscular disease and ocular or auditory anomalies with or without seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648446" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuropathy, congenital hypomyelinating, 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1788511" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Onychodystrophy, osteodystrophy, impaired intellectual development, and seizures syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_766363" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pontocerebellar hypoplasia type 1B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_334225" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pontocerebellar hypoplasia type 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_370596" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pontocerebellar hypoplasia type 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648387" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pontocerebellar hypoplasia, type 1D</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_346552" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive encephalopathy with leukodystrophy due to DECR deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_341455" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Saldino-Mainzer syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_813018" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">SLC35A2-congenital disorder of glycosylation</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_899837" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">SLC39A8-CDG</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_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_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_340761" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sulfite oxidase deficiency due to molybdenum cofactor deficiency type C</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_11713" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tay-Sachs disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_78657" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tay-Sachs disease, variant AB</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1845578" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Werdnig-Hoffmann disease</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/33524167">Systemic mastocytosis in adults: 2021 Update on diagnosis, risk stratification and management.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Pardanani A</span><br />
|
||
<span class="medgenPMjournal">Am J Hematol</span>
|
||
2021 Apr 1;96(4):508-525.
|
||
Epub 2021 Feb 21
|
||
doi: 10.1002/ajh.26118.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33524167" target="_blank">33524167</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/30921525">Clinical Practice Guideline: Tonsillectomy in Children (Update)-Executive Summary.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Mitchell RB,
|
||
Archer SM,
|
||
Ishman SL,
|
||
Rosenfeld RM,
|
||
Coles S,
|
||
Finestone SA,
|
||
Friedman NR,
|
||
Giordano T,
|
||
Hildrew DM,
|
||
Kim TW,
|
||
Lloyd RM,
|
||
Parikh SR,
|
||
Shulman ST,
|
||
Walner DL,
|
||
Walsh SA,
|
||
Nnacheta LC</span><br />
|
||
<span class="medgenPMjournal">Otolaryngol Head Neck Surg</span>
|
||
2019 Feb;160(2):187-205.
|
||
doi: 10.1177/0194599818807917.
|
||
<span class="bold">PMID: </span><a href="/pubmed/30921525" target="_blank">30921525</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/30798778">Clinical Practice Guideline: Tonsillectomy in Children (Update).</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Mitchell RB,
|
||
Archer SM,
|
||
Ishman SL,
|
||
Rosenfeld RM,
|
||
Coles S,
|
||
Finestone SA,
|
||
Friedman NR,
|
||
Giordano T,
|
||
Hildrew DM,
|
||
Kim TW,
|
||
Lloyd RM,
|
||
Parikh SR,
|
||
Shulman ST,
|
||
Walner DL,
|
||
Walsh SA,
|
||
Nnacheta LC</span><br />
|
||
<span class="medgenPMjournal">Otolaryngol Head Neck Surg</span>
|
||
2019 Feb;160(1_suppl):S1-S42.
|
||
doi: 10.1177/0194599818801757.
|
||
<span class="bold">PMID: </span><a href="/pubmed/30798778" target="_blank">30798778</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(poor%20head%20control)%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 (301)</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/22881219">Prevalence and predictors of drooling in 7- to 14-year-old children with cerebral palsy: a population study.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Reid SM,
|
||
McCutcheon J,
|
||
Reddihough DS,
|
||
Johnson H</span><br />
|
||
<span class="medgenPMjournal">Dev Med Child Neurol</span>
|
||
2012 Nov;54(11):1032-6.
|
||
Epub 2012 Aug 9
|
||
doi: 10.1111/j.1469-8749.2012.04382.x.
|
||
<span class="bold">PMID: </span><a href="/pubmed/22881219" target="_blank">22881219</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/17593128">Syringomyelia and chronic respiratory failure in a term infant delivered by Caesarean section.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Sant'Anna GM,
|
||
Azevedo CT,
|
||
Simas A,
|
||
Castro BP,
|
||
Bhering CA</span><br />
|
||
<span class="medgenPMjournal">Dev Med Child Neurol</span>
|
||
2007 Jul;49(7):539-41.
|
||
doi: 10.1111/j.1469-8749.2007.00539.x.
|
||
<span class="bold">PMID: </span><a href="/pubmed/17593128" target="_blank">17593128</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/14742764">Metabolic bone disease after chronic antacid administration in an infant.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Robinson RF,
|
||
Casavant MJ,
|
||
Nahata MC,
|
||
Mahan JD</span><br />
|
||
<span class="medgenPMjournal">Ann Pharmacother</span>
|
||
2004 Feb;38(2):265-8.
|
||
Epub 2003 Dec 15
|
||
doi: 10.1345/aph.1D271.
|
||
<span class="bold">PMID: </span><a href="/pubmed/14742764" target="_blank">14742764</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/11068167">Biphasic course of infant botulism.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Ravid S,
|
||
Maytal J,
|
||
Eviatar L</span><br />
|
||
<span class="medgenPMjournal">Pediatr Neurol</span>
|
||
2000 Oct;23(4):338-9.
|
||
doi: 10.1016/s0887-8994(00)00204-6.
|
||
<span class="bold">PMID: </span><a href="/pubmed/11068167" target="_blank">11068167</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/1399305">Swallowing disorders in a population of children with cerebral palsy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Waterman ET,
|
||
Koltai PJ,
|
||
Downey JC,
|
||
Cacace AT</span><br />
|
||
<span class="medgenPMjournal">Int J Pediatr Otorhinolaryngol</span>
|
||
1992 Jul;24(1):63-71.
|
||
doi: 10.1016/0165-5876(92)90067-y.
|
||
<span class="bold">PMID: </span><a href="/pubmed/1399305" target="_blank">1399305</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Poor%20head%20control%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 (7)</a></div><h3 class="subhead">Diagnosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/37393515">Novel Compound Heterozygous Splice-Site Variants in TPM3 Revealed by RNA Sequencing in a Patient with an Unusual Form of Nemaline Myopathy: A Case Report.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Pelin K,
|
||
Sagath L,
|
||
Lehtonen J,
|
||
Kiiski K,
|
||
Tynninen O,
|
||
Paetau A,
|
||
Johari M,
|
||
Savarese M,
|
||
Wallgren-Pettersson C,
|
||
Lehtokari VL</span><br />
|
||
<span class="medgenPMjournal">J Neuromuscul Dis</span>
|
||
2023;10(5):977-984.
|
||
doi: 10.3233/JND-230026.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37393515" target="_blank">37393515</a><a href="/pmc/articles/PMC10578209" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/35503577">The Virgin and Child with the Infant St. John the Baptist by Sandro Botticelli (1445-1510): does the child have Pompe disease?</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">de Campos D</span><br />
|
||
<span class="medgenPMjournal">Childs Nerv Syst</span>
|
||
2022 Jul;38(7):1267-1269.
|
||
Epub 2022 May 3
|
||
doi: 10.1007/s00381-022-05537-0.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35503577" target="_blank">35503577</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/34884148">HeadUp: A Low-Cost Solution for Tracking Head Movement of Children with Cerebral Palsy Using IMU.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Al-Azzawi SS,
|
||
Khaksar S,
|
||
Hadi EK,
|
||
Agrawal H,
|
||
Murray I</span><br />
|
||
<span class="medgenPMjournal">Sensors (Basel)</span>
|
||
2021 Dec 6;21(23)
|
||
doi: 10.3390/s21238148.
|
||
<span class="bold">PMID: </span><a href="/pubmed/34884148" target="_blank">34884148</a><a href="/pmc/articles/PMC8662411" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/33940562">Floppy infant syndrome as a first manifestation of LMNA-related congenital muscular dystrophy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Jędrzejowska M,
|
||
Potulska-Chromik A,
|
||
Gos M,
|
||
Gambin T,
|
||
Dębek E,
|
||
Rosiak E,
|
||
Stępień A,
|
||
Szymańczak R,
|
||
Wojtaś B,
|
||
Gielniewski B,
|
||
Ciara E,
|
||
Sobczyńska A,
|
||
Chrzanowska K,
|
||
Kostera-Pruszczyk A,
|
||
Madej-Pilarczyk A</span><br />
|
||
<span class="medgenPMjournal">Eur J Paediatr Neurol</span>
|
||
2021 May;32:115-121.
|
||
Epub 2021 Apr 20
|
||
doi: 10.1016/j.ejpn.2021.04.005.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33940562" target="_blank">33940562</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/21824559">Early infantile Krabbe disease: results of the World-Wide Krabbe Registry.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Duffner PK,
|
||
Barczykowski A,
|
||
Jalal K,
|
||
Yan L,
|
||
Kay DM,
|
||
Carter RL</span><br />
|
||
<span class="medgenPMjournal">Pediatr Neurol</span>
|
||
2011 Sep;45(3):141-8.
|
||
doi: 10.1016/j.pediatrneurol.2011.05.007.
|
||
<span class="bold">PMID: </span><a href="/pubmed/21824559" target="_blank">21824559</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Poor%20head%20control%22%20AND%20Diagnosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (22)</a></div><h3 class="subhead">Therapy</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/31495925">Anticholinergic medications for reducing drooling in children with developmental disability.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Reid SM,
|
||
Westbury C,
|
||
Guzys AT,
|
||
Reddihough DS</span><br />
|
||
<span class="medgenPMjournal">Dev Med Child Neurol</span>
|
||
2020 Mar;62(3):346-353.
|
||
Epub 2019 Sep 8
|
||
doi: 10.1111/dmcn.14350.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31495925" target="_blank">31495925</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/29579004">Head Control Changes After Headpod Use in Children With Poor Head Control: A Feasibility Study.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Brown JE,
|
||
Thompson M,
|
||
Brizzolara K</span><br />
|
||
<span class="medgenPMjournal">Pediatr Phys Ther</span>
|
||
2018 Apr;30(2):142-148.
|
||
doi: 10.1097/PEP.0000000000000492.
|
||
<span class="bold">PMID: </span><a href="/pubmed/29579004" target="_blank">29579004</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/22592512">Lithium citrate as treatment of Canavan disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Solsona MD,
|
||
Fernández LL,
|
||
Boquet EM,
|
||
Andrés JL</span><br />
|
||
<span class="medgenPMjournal">Clin Neuropharmacol</span>
|
||
2012 May-Jun;35(3):150-1.
|
||
doi: 10.1097/WNF.0b013e3182515c9d.
|
||
<span class="bold">PMID: </span><a href="/pubmed/22592512" target="_blank">22592512</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/14742764">Metabolic bone disease after chronic antacid administration in an infant.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Robinson RF,
|
||
Casavant MJ,
|
||
Nahata MC,
|
||
Mahan JD</span><br />
|
||
<span class="medgenPMjournal">Ann Pharmacother</span>
|
||
2004 Feb;38(2):265-8.
|
||
Epub 2003 Dec 15
|
||
doi: 10.1345/aph.1D271.
|
||
<span class="bold">PMID: </span><a href="/pubmed/14742764" target="_blank">14742764</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/7145727">Clinical characteristics of infant botulism in the United States: a study of the non-California cases.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Wilson R,
|
||
Morris JG Jr,
|
||
Snyder JD,
|
||
Feldman RA</span><br />
|
||
<span class="medgenPMjournal">Pediatr Infect Dis</span>
|
||
1982 May-Jun;1(3):148-50.
|
||
doi: 10.1097/00006454-198205000-00003.
|
||
<span class="bold">PMID: </span><a href="/pubmed/7145727" target="_blank">7145727</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Poor%20head%20control%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 (12)</a></div><h3 class="subhead">Prognosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/33940562">Floppy infant syndrome as a first manifestation of LMNA-related congenital muscular dystrophy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Jędrzejowska M,
|
||
Potulska-Chromik A,
|
||
Gos M,
|
||
Gambin T,
|
||
Dębek E,
|
||
Rosiak E,
|
||
Stępień A,
|
||
Szymańczak R,
|
||
Wojtaś B,
|
||
Gielniewski B,
|
||
Ciara E,
|
||
Sobczyńska A,
|
||
Chrzanowska K,
|
||
Kostera-Pruszczyk A,
|
||
Madej-Pilarczyk A</span><br />
|
||
<span class="medgenPMjournal">Eur J Paediatr Neurol</span>
|
||
2021 May;32:115-121.
|
||
Epub 2021 Apr 20
|
||
doi: 10.1016/j.ejpn.2021.04.005.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33940562" target="_blank">33940562</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/31495925">Anticholinergic medications for reducing drooling in children with developmental disability.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Reid SM,
|
||
Westbury C,
|
||
Guzys AT,
|
||
Reddihough DS</span><br />
|
||
<span class="medgenPMjournal">Dev Med Child Neurol</span>
|
||
2020 Mar;62(3):346-353.
|
||
Epub 2019 Sep 8
|
||
doi: 10.1111/dmcn.14350.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31495925" target="_blank">31495925</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/22881219">Prevalence and predictors of drooling in 7- to 14-year-old children with cerebral palsy: a population study.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Reid SM,
|
||
McCutcheon J,
|
||
Reddihough DS,
|
||
Johnson H</span><br />
|
||
<span class="medgenPMjournal">Dev Med Child Neurol</span>
|
||
2012 Nov;54(11):1032-6.
|
||
Epub 2012 Aug 9
|
||
doi: 10.1111/j.1469-8749.2012.04382.x.
|
||
<span class="bold">PMID: </span><a href="/pubmed/22881219" target="_blank">22881219</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/21824559">Early infantile Krabbe disease: results of the World-Wide Krabbe Registry.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Duffner PK,
|
||
Barczykowski A,
|
||
Jalal K,
|
||
Yan L,
|
||
Kay DM,
|
||
Carter RL</span><br />
|
||
<span class="medgenPMjournal">Pediatr Neurol</span>
|
||
2011 Sep;45(3):141-8.
|
||
doi: 10.1016/j.pediatrneurol.2011.05.007.
|
||
<span class="bold">PMID: </span><a href="/pubmed/21824559" target="_blank">21824559</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/3793891">Teratologic dislocation of the hip.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Gruel CR,
|
||
Birch JG,
|
||
Roach JW,
|
||
Herring JA</span><br />
|
||
<span class="medgenPMjournal">J Pediatr Orthop</span>
|
||
1986 Nov-Dec;6(6):693-702.
|
||
doi: 10.1097/01241398-198611000-00009.
|
||
<span class="bold">PMID: </span><a href="/pubmed/3793891" target="_blank">3793891</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Poor%20head%20control%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 (13)</a></div><h3 class="subhead">Clinical prediction guides</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/35503577">The Virgin and Child with the Infant St. John the Baptist by Sandro Botticelli (1445-1510): does the child have Pompe disease?</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">de Campos D</span><br />
|
||
<span class="medgenPMjournal">Childs Nerv Syst</span>
|
||
2022 Jul;38(7):1267-1269.
|
||
Epub 2022 May 3
|
||
doi: 10.1007/s00381-022-05537-0.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35503577" target="_blank">35503577</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/33940562">Floppy infant syndrome as a first manifestation of LMNA-related congenital muscular dystrophy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Jędrzejowska M,
|
||
Potulska-Chromik A,
|
||
Gos M,
|
||
Gambin T,
|
||
Dębek E,
|
||
Rosiak E,
|
||
Stępień A,
|
||
Szymańczak R,
|
||
Wojtaś B,
|
||
Gielniewski B,
|
||
Ciara E,
|
||
Sobczyńska A,
|
||
Chrzanowska K,
|
||
Kostera-Pruszczyk A,
|
||
Madej-Pilarczyk A</span><br />
|
||
<span class="medgenPMjournal">Eur J Paediatr Neurol</span>
|
||
2021 May;32:115-121.
|
||
Epub 2021 Apr 20
|
||
doi: 10.1016/j.ejpn.2021.04.005.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33940562" target="_blank">33940562</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/31495925">Anticholinergic medications for reducing drooling in children with developmental disability.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Reid SM,
|
||
Westbury C,
|
||
Guzys AT,
|
||
Reddihough DS</span><br />
|
||
<span class="medgenPMjournal">Dev Med Child Neurol</span>
|
||
2020 Mar;62(3):346-353.
|
||
Epub 2019 Sep 8
|
||
doi: 10.1111/dmcn.14350.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31495925" target="_blank">31495925</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/22881219">Prevalence and predictors of drooling in 7- to 14-year-old children with cerebral palsy: a population study.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Reid SM,
|
||
McCutcheon J,
|
||
Reddihough DS,
|
||
Johnson H</span><br />
|
||
<span class="medgenPMjournal">Dev Med Child Neurol</span>
|
||
2012 Nov;54(11):1032-6.
|
||
Epub 2012 Aug 9
|
||
doi: 10.1111/j.1469-8749.2012.04382.x.
|
||
<span class="bold">PMID: </span><a href="/pubmed/22881219" target="_blank">22881219</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/21824559">Early infantile Krabbe disease: results of the World-Wide Krabbe Registry.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Duffner PK,
|
||
Barczykowski A,
|
||
Jalal K,
|
||
Yan L,
|
||
Kay DM,
|
||
Carter RL</span><br />
|
||
<span class="medgenPMjournal">Pediatr Neurol</span>
|
||
2011 Sep;45(3):141-8.
|
||
doi: 10.1016/j.pediatrneurol.2011.05.007.
|
||
<span class="bold">PMID: </span><a href="/pubmed/21824559" target="_blank">21824559</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Poor%20head%20control%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 (10)</a></div></div>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C1836038%5bDISCUI%5d&filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (8)</a></li>
|
||
<li><a href="/gtr/tests?term=C1836038%5bDISCUI%5d&filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (8)</a></li>
|
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<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C1836038%5bDISCUI%5d" target="_blank">See all (8)</a></total></li>
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