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<meta name="keywords" content="C0795934, autosomal recessive deafness onychodystrophy syndrome, autosomal recessive deafness-onychodystrophy syndrome, autosomal recessive hearing loss-onychodystrophy syndrome, brachydactyly due to absence of distal phalanges, deafness onychodystrophy osteodystrophy and intellectual disability syndrome, deafness onychodystrophy osteodystrophy and mental retardation syndrome, deafness, onychodystrophy, osteodystrophy, and mental retardation syndrome, deafness, onychodystrophy, osteodystrophy, impaired intellectual development, and seizures syndrome, deafness, onychodystrophy, osteodystrophy, intellectual disability syndrome, deafness, onychodystrophy, osteodystrophy, intellectual disability, and seizures syndrome, deafness, onychodystrophy, osteodystrophy, mental retardation, and seizures syndrome, deafness-onychodystrophy-osteodystrophy-intellectual disability syndrome, deafness-onychodystrophy-osteodystrophy-intellectual disability-seizures syndrome, deafness-onychoosteodystrophy-intellectual disability syndrome, digitorenocerebral syndrome, disease or syndrome, door syndrome, doors, doors syndrome, drc syndrome, eronen syndrome, hearing loss-onychodystrophy-osteodystrophy-intellectual disability syndrome, hearing loss-onychodystrophy-osteodystrophy-intellectual disability-seizures syndrome, hearing loss-onychoosteodystrophy-intellectual disability syndrome, tbc1d24, 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="TBC1D24-related disorders comprise a continuum of features that were originally described as distinct, recognized phenotypes: DOORS syndrome (deafness, onychodystrophy, osteodystrophy, mental retardation, and seizures), with profound sensorineural hearing loss, onychodystrophy, osteodystrophy, intellectual disability / developmental delay, and seizures; familial infantile myoclonic epilepsy (FIME), with early-onset myoclonic seizures, focal epilepsy, dysarthria, and mild-to-moderate intellectual disability; progressive myoclonus epilepsy (PME), with action myoclonus, tonic-clonic seizures, ataxia, and progressive neurologic decline; rolandic epilepsy with paroxysmal exercise-induced dystonia and writer's cramp (EPRPDC); developmental and epileptic encephalopathy (DEE), including epilepsy of infancy with migrating focal seizures (EIMFS); autosomal recessive nonsyndromic hearing loss (DFNB); and autosomal dominant nonsyndromic hearing loss (DFNA)." /><meta name="robots" content="index,nofollow,noarchive" />
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<!--
UID=208648
ConceptID=C0795934
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">DOORS syndrome<span class="h1sub">(DOORS)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>208648</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information."><span class="highlight" style="background-color:">C0795934</span></a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
<td>BRACHYDACTYLY DUE TO ABSENCE OF DISTAL PHALANGES; Deafness onychodystrophy osteodystrophy and mental retardation syndrome; DEAFNESS, ONYCHODYSTROPHY, OSTEODYSTROPHY, IMPAIRED INTELLECTUAL DEVELOPMENT, AND SEIZURES SYNDROME; Digitorenocerebral syndrome; DOOR SYNDROME; DOORS; DRC SYNDROME; ERONEN SYNDROME</td></tr>
<tr><td><span class="bold">SNOMED CT: </span></td>
<td>DOORS syndrome (719800009); Autosomal recessive deafness onychodystrophy syndrome (719800009); DOOR syndrome (719800009); Deafness, onychodystrophy, osteodystrophy, intellectual disability syndrome (719800009)</td></tr>
<tr><td>Modes of inheritance:</td>
<td>
<div class="divPopper rprt" id="moi_141025"><div><strong>Autosomal recessive inheritance</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>141025</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0441748</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Intellectual Product</dd></dl></div></div></div>
<div class="spaceAbove">Source: Orphanet</div>
<div class="spaceAbove">A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in individuals with two pathogenic alleles, either homozygotes (two copies of the same mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele).</div></div>
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#moi_141025" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive inheritance</a><span> (Orphanet)</span></div></td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td><a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#target-gene-loc">Gene (location):<img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a><div class="display-none" id="target-gene-loc">
Gene(s) directly associated with<br />
this condition or phenotype.</div></td>
<td><a target="_blank" title="TBC1D24 - ID: 57465 - NCBI Gene" href="/gene/57465" class="medgenPMinfo">TBC1D24</a> (16p13.3)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0009079" target="_blank">MONDO:0009079</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/220500" target="_blank">220500</a></td></tr>
<tr><td>Orphanet:</td>
<td><a target="_blank" title="Orphanet: The portal for rare diseases and orphan drugs" href="http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&amp;Expert=79500">ORPHA79500</a></td></tr></tbody></table></div><div class="rprt-body jig-ncbiinpagenav" data-jigconfig="smoothScroll: false, gotoTopLink: true, gotoTopLinkText: '', gotoTopLinkAttrs: {'title': 'Go to the top of the page'},allHeadingLevels: ['h1'], topOfPageTOC: true, tocId: 'my-toc'"><div id="rprt-tabs-1" class="rprt-tab"><div id="tb-termsProp-1"><div class="leftCol mgCol"><div>
<div class="portlet mgSection" id="ID_101">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Disease_characteristics">Disease characteristics</h1><a sid="101" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="excerpt">Excerpted from the <i>GeneReview: </i><a href="/books/NBK274566" target="_blank">TBC1D24-Related Disorders</a></div><div>TBC1D24-related disorders comprise a continuum of features that were originally described as distinct, recognized phenotypes: DOORS syndrome (deafness, onychodystrophy, osteodystrophy, mental retardation, and seizures), with profound sensorineural hearing loss, onychodystrophy, osteodystrophy, intellectual disability / developmental delay, and seizures; familial infantile myoclonic epilepsy (FIME), with early-onset myoclonic seizures, focal epilepsy, dysarthria, and mild-to-moderate intellectual disability; progressive myoclonus epilepsy (PME), with action myoclonus, tonic-clonic seizures, ataxia, and progressive neurologic decline; rolandic epilepsy with paroxysmal exercise-induced dystonia and writer's cramp (EPRPDC); developmental and epileptic encephalopathy (DEE), including epilepsy of infancy with migrating focal seizures (EIMFS); autosomal recessive nonsyndromic hearing loss (DFNB); and autosomal dominant nonsyndromic hearing loss (DFNA). [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</div><div class="spaceAbove"><strong>Full text of <i>GeneReview</i> (by section):</strong><br /><a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Summary" target="NBK274566">Summary</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.GeneReview_Scope" target="NBK274566">GeneReview Scope</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Diagnosis" target="NBK274566">Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Clinical_Characteristics" target="NBK274566">Clinical Characteristics</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Genetically_Related_Allelic" target="NBK274566">Genetically Related (Allelic) Disorders</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Differential_Diagnosis" target="NBK274566">Differential Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Management" target="NBK274566">Management</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Genetic_Counseling" target="NBK274566">Genetic Counseling</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Resources" target="NBK274566">Resources</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Molecular_Genetics" target="NBK274566">Molecular Genetics</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.Chapter_Notes" target="NBK274566">Chapter Notes</a>  |  <a class="medgenPMinfo" href="/books/NBK274566#tbc1d24-dis.References" target="NBK274566">References</a></div><div class="spaceAbove"><strong>Authors:</strong><br />
Simona Balestrini  |  Philippe M Campeau  |  Davide Mei<i>, et. al.</i>   <a href="/books/NBK274566" target="NBK274566" title="NCBI Bookshelf: TBC1D24-Related Disorders">view full author information</a></div></div>
</div>
<div class="portlet mgSection" id="ID_117">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Additional_description">Additional description</h1><a sid="117" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="mgSection"><strong>From OMIM</strong><br />DOOR syndrome is an autosomal recessive disorder characterized by Deafness, Onychodystrophy, Osteodystrophy, and mental Retardation. Cantwell (1975) suggested this designation for the disorder, which can also include triphalangeal thumbs, seizures, and abnormal dermatoglyphics.&#13;
See also DDOD syndrome (124480), which shows autosomal dominant inheritance of congenital deafness and onychodystrophy without mental retardation. See also OORS syndrome (619356), caused by mutation in the PIGF gene (600153), which shows overlapping features with the notable lack of deafness.  <a target="_blank" href="http://www.omim.org/entry/220500">http://www.omim.org/entry/220500</a></div></div>
</div>
<div class="portlet mgSection" id="ID_102">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_features">Clinical features</h1><a sid="102" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln clinfeat"><strong>From HPO</strong><br />
<div class="divPopper rprt" id="clin_154237"><div><strong>Renal agenesis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>154237</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0542519</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Agenesis, that is, failure of the kidney to develop during embryogenesis and development.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/154237">Feature record</a> | <a href="/medgen?term=%22Renal%20agenesis%22%5BClinical%20Features%5D%20OR%20154237%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_322533"><div><strong>Cystic renal dysplasia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322533</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1834931</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove nowrap">See: <a href="/medgen/322533">Feature record</a> | <a href="/medgen?term=%22Cystic%20renal%20dysplasia%22%5BClinical%20Features%5D%20OR%20322533%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_868516"><div><strong>Increased urine alpha-ketoglutarate concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>868516</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4022915</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A greater than normal concentration of 2-oxoglutaric acid in the urine.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/868516">Feature record</a> | <a href="/medgen?term=%22Increased%20urine%20alpha-ketoglutarate%20concentration%22%5BClinical%20Features%5D%20OR%20868516%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66029"><div><strong>Triphalangeal thumb</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66029</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0241397</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">A thumb with three phalanges in a single, proximo-distal axis. Thus, this term applies if the thumb has an accessory phalanx, leading to a digit like appearance of the thumb.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66029">Feature record</a> | <a href="/medgen?term=%22Triphalangeal%20thumb%22%5BClinical%20Features%5D%20OR%2066029%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_322130"><div><strong>Long thumb</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322130</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1833148</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Length of the thumb is greater than normal.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/322130">Feature record</a> | <a href="/medgen?term=%22Long%20thumb%22%5BClinical%20Features%5D%20OR%20322130%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_326590"><div><strong>Short distal phalanx of finger</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326590</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1839829</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Short distance from the end of the finger to the most distal interphalangeal crease or the distal interphalangeal joint flexion point. That is, hypoplasia of one or more of the distal phalanx of finger.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/326590">Feature record</a> | <a href="/medgen?term=%22Short%20distal%20phalanx%20of%20finger%22%5BClinical%20Features%5D%20OR%20326590%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_334269"><div><strong>Short 5th finger</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>334269</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1842878</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Hypoplasia (congenital reduction in size) of the fifth finger, also known as the little finger.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/334269">Feature record</a> | <a href="/medgen?term=%22Short%205th%20finger%22%5BClinical%20Features%5D%20OR%20334269%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_340456"><div><strong>Clinodactyly of the 5th finger</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340456</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1850049</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Clinodactyly refers to a bending or curvature of the fifth finger in the radial direction (i.e., towards the 4th finger).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/340456">Feature record</a> | <a href="/medgen?term=%22Clinodactyly%20of%20the%205th%20finger%22%5BClinical%20Features%5D%20OR%20340456%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_4415"><div><strong>Patent ductus arteriosus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>4415</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0013274</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">In utero, the ductus arteriosus (DA) serves to divert ventricular output away from the lungs and toward the placenta by connecting the main pulmonary artery to the descending aorta. A patent ductus arteriosus (PDA) in the first 3 days of life is a physiologic shunt in healthy term and preterm newborn infants, and normally is substantially closed within about 24 hours after bith and completely closed after about three weeks. Failure of physiologcal closure is referred to a persistent or patent ductus arteriosus (PDA). Depending on the degree of left-to-right shunting, PDA can have clinical consequences.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/4415">Feature record</a> | <a href="/medgen?term=%22Patent%20ductus%20arteriosus%22%5BClinical%20Features%5D%20OR%204415%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_6753"><div><strong>Atrial septal defect</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>6753</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0018817</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Atrial septal defect (ASD) is a congenital abnormality of the interatrial septum that enables blood flow between the left and right atria via the interatrial septum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/6753">Feature record</a> | <a href="/medgen?term=%22Atrial%20septal%20defect%22%5BClinical%20Features%5D%20OR%206753%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_42366"><div><strong>Ventricular septal defect</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>42366</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0018818</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">A hole between the two bottom chambers (ventricles) of the heart. The defect is centered around the most superior aspect of the ventricular septum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/42366">Feature record</a> | <a href="/medgen?term=%22Ventricular%20septal%20defect%22%5BClinical%20Features%5D%20OR%2042366%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_9164"><div><strong>Sensorineural hearing loss disorder</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>9164</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0018784</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A type of hearing impairment in one or both ears related to an abnormal functionality of the cochlear nerve.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/9164">Feature record</a> | <a href="/medgen?term=%22Sensorineural%20hearing%20loss%20disorder%22%5BClinical%20Features%5D%20OR%209164%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_65980"><div><strong>Low-set ears</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>65980</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0239234</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Upper insertion of the ear to the scalp below an imaginary horizontal line drawn between the inner canthi of the eye and extending posteriorly to the ear.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/65980">Feature record</a> | <a href="/medgen?term=%22Low-set%20ears%22%5BClinical%20Features%5D%20OR%2065980%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_96788"><div><strong>Bilateral sensorineural hearing impairment</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>96788</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0452138</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A bilateral form of sensorineural hearing impairment.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/96788">Feature record</a> | <a href="/medgen?term=%22Bilateral%20sensorineural%20hearing%20impairment%22%5BClinical%20Features%5D%20OR%2096788%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_235586"><div><strong>Hearing impairment</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>235586</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1384666</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A decreased magnitude of the sensory perception of sound.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/235586">Feature record</a> | <a href="/medgen?term=%22Hearing%20impairment%22%5BClinical%20Features%5D%20OR%20235586%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_20693"><div><strong>Seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>20693</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0036572</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/20693">Feature record</a> | <a href="/medgen?term=%22Seizure%22%5BClinical%20Features%5D%20OR%2020693%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_57502"><div><strong>Polyneuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>57502</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0152025</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A generalized disorder of peripheral nerves.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/57502">Feature record</a> | <a href="/medgen?term=%22Polyneuropathy%22%5BClinical%20Features%5D%20OR%2057502%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_116012"><div><strong>Cerebral atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>116012</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0235946</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Atrophy (wasting, decrease in size of cells or tissue) affecting the cerebrum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/116012">Feature record</a> | <a href="/medgen?term=%22Cerebral%20atrophy%22%5BClinical%20Features%5D%20OR%20116012%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_107838"><div><strong>Global developmental delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107838</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0557874</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107838">Feature record</a> | <a href="/medgen?term=%22Global%20developmental%20delay%22%5BClinical%20Features%5D%20OR%20107838%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_195967"><div><strong>Hyporeflexia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>195967</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0700078</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduction of neurologic reflexes such as the knee-jerk reaction.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/195967">Feature record</a> | <a href="/medgen?term=%22Hyporeflexia%22%5BClinical%20Features%5D%20OR%20195967%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_480553"><div><strong>Ventriculomegaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>480553</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3278923</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An increase in size of the ventricular system of the brain.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/480553">Feature record</a> | <a href="/medgen?term=%22Ventriculomegaly%22%5BClinical%20Features%5D%20OR%20480553%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_811461"><div><strong>Intellectual disability</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811461</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3714756</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/811461">Feature record</a> | <a href="/medgen?term=%22Intellectual%20disability%22%5BClinical%20Features%5D%20OR%20811461%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_10133"><div><strong>Hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>10133</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0026827</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/10133">Feature record</a> | <a href="/medgen?term=%22Hypotonia%22%5BClinical%20Features%5D%20OR%2010133%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_346841"><div><strong>Generalized hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346841</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1858120</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Generalized muscular hypotonia (abnormally low muscle tone).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/346841">Feature record</a> | <a href="/medgen?term=%22Generalized%20hypotonia%22%5BClinical%20Features%5D%20OR%20346841%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_419183"><div><strong>Dandy-Walker malformation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>419183</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C2931867</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">A congenital brain malformation typically characterized by incomplete formation of the cerebellar vermis, dilation of the fourth ventricle, and enlargement of the posterior fossa. In layman's terms, Dandy Walker malformation is a cyst in the cerebellum (typically symmetrical) that is involved with the fourth ventricle. This may interfere with the ability to drain cerebrospinal fluid from the brain, resulting in hydrocephalus. Dandy Walker cysts are formed during early embryonic development, while the brain forms. The cyst in the cerebellum typically has several blood vessels running through it connecting to the brain, thereby prohibiting surgical removal.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/419183">Feature record</a> | <a href="/medgen?term=%22Dandy-Walker%20malformation%22%5BClinical%20Features%5D%20OR%20419183%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1644158"><div><strong>Microcephaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1644158</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4551563</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Head circumference below 2 standard deviations below the mean for age and gender.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1644158">Feature record</a> | <a href="/medgen?term=%22Microcephaly%22%5BClinical%20Features%5D%20OR%201644158%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_116104"><div><strong>Open mouth</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>116104</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0240379</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A facial appearance characterized by a permanently or nearly permanently opened mouth.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/116104">Feature record</a> | <a href="/medgen?term=%22Open%20mouth%22%5BClinical%20Features%5D%20OR%20116104%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66013"><div><strong>Bulbous nose</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66013</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0240543</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Increased volume and globular shape of the anteroinferior aspect of the nose.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66013">Feature record</a> | <a href="/medgen?term=%22Bulbous%20nose%22%5BClinical%20Features%5D%20OR%2066013%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66814"><div><strong>High palate</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66814</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0240635</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66814">Feature record</a> | <a href="/medgen?term=%22High%20palate%22%5BClinical%20Features%5D%20OR%2066814%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_87712"><div><strong>Gingival overgrowth</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>87712</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0376480</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Hyperplasia of the gingiva (that is, a thickening of the soft tissue overlying the alveolar ridge. The degree of thickening ranges from involvement of the interdental papillae alone to gingival overgrowth covering the entire tooth crown.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/87712">Feature record</a> | <a href="/medgen?term=%22Gingival%20overgrowth%22%5BClinical%20Features%5D%20OR%2087712%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_151862"><div><strong>Epicanthus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>151862</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0678230</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Epicanthus is a condition in which a fold of skin stretches from the upper to the lower eyelid, partially covering the inner canthus. Usher (1935) noted that epicanthus is a normal finding in the fetus of all races. Epicanthus also occurs in association with hereditary ptosis (110100).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/151862">Feature record</a> | <a href="/medgen?term=%22Epicanthus%22%5BClinical%20Features%5D%20OR%20151862%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_326567"><div><strong>Thick lower lip vermilion</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326567</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1839739</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Increased thickness of the lower lip, leading to a prominent appearance of the lower lip. The height of the vermilion of the lower lip in the midline is more than 2 SD above the mean. Alternatively, an apparently increased height of the vermilion of the lower lip in the frontal view (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/326567">Feature record</a> | <a href="/medgen?term=%22Thick%20lower%20lip%20vermilion%22%5BClinical%20Features%5D%20OR%20326567%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_326956"><div><strong>Narrow forehead</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326956</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1839758</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Width of the forehead or distance between the frontotemporales is more than two standard deviations below the mean (objective); or apparently narrow intertemporal region (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/326956">Feature record</a> | <a href="/medgen?term=%22Narrow%20forehead%22%5BClinical%20Features%5D%20OR%20326956%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_326648"><div><strong>Anteverted nares</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326648</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1840077</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject. This gives the appearance of an upturned nose (upturned nasal tip).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/326648">Feature record</a> | <a href="/medgen?term=%22Anteverted%20nares%22%5BClinical%20Features%5D%20OR%20326648%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_331280"><div><strong>Low anterior hairline</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>331280</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1842366</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Distance between the hairline (trichion) and the glabella (the most prominent point on the frontal bone above the root of the nose), in the midline, more than two SD below the mean. Alternatively, an apparently decreased distance between the hairline and the glabella.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/331280">Feature record</a> | <a href="/medgen?term=%22Low%20anterior%20hairline%22%5BClinical%20Features%5D%20OR%20331280%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_335284"><div><strong>Coarse facial features</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335284</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1845847</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Absence of fine and sharp appearance of brows, nose, lips, mouth, and chin, usually because of rounded and heavy features or thickened skin with or without thickening of subcutaneous and bony tissues.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/335284">Feature record</a> | <a href="/medgen?term=%22Coarse%20facial%20features%22%5BClinical%20Features%5D%20OR%20335284%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_341441"><div><strong>Wide nasal bridge</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341441</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1849367</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Increased breadth of the nasal bridge (and with it, the nasal root).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/341441">Feature record</a> | <a href="/medgen?term=%22Wide%20nasal%20bridge%22%5BClinical%20Features%5D%20OR%20341441%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_344003"><div><strong>Everted lower lip vermilion</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>344003</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1853246</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormal configuration of the lower lip such that it is turned outward i.e., everted, with the Inner aspect of the lower lip vermilion (normally opposing the teeth) being visible in a frontal view.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/344003">Feature record</a> | <a href="/medgen?term=%22Everted%20lower%20lip%20vermilion%22%5BClinical%20Features%5D%20OR%20344003%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_351278"><div><strong>Long philtrum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>351278</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1865014</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Distance between nasal base and midline upper lip vermilion border more than 2 SD above the mean. Alternatively, an apparently increased distance between nasal base and midline upper lip vermilion border.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/351278">Feature record</a> | <a href="/medgen?term=%22Long%20philtrum%22%5BClinical%20Features%5D%20OR%20351278%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_355352"><div><strong>Thin upper lip vermilion</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355352</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1865017</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Height of the vermilion of the upper lip in the midline more than 2 SD below the mean. Alternatively, an apparently reduced height of the vermilion of the upper lip in the frontal view (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/355352">Feature record</a> | <a href="/medgen?term=%22Thin%20upper%20lip%20vermilion%22%5BClinical%20Features%5D%20OR%20355352%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_356471"><div><strong>Downturned corners of mouth</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>356471</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1866195</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">A morphological abnormality of the mouth in which the angle of the mouth is downturned. The oral commissures are positioned inferior to the midline labial fissure.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/356471">Feature record</a> | <a href="/medgen?term=%22Downturned%20corners%20of%20mouth%22%5BClinical%20Features%5D%20OR%20356471%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_756015"><div><strong>Cleft palate</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>756015</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C2981150</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Cleft palate is a developmental defect of the palate resulting from a failure of fusion of the palatine processes and manifesting as a separation of the roof of the mouth (soft and hard palate).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/756015">Feature record</a> | <a href="/medgen?term=%22Cleft%20palate%22%5BClinical%20Features%5D%20OR%20756015%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_120563"><div><strong>Anonychia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>120563</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0265998</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Congenital anonychia is defined as the absence of fingernails and toenails. Anonychia and its milder phenotypic variant, hyponychia, usually occur as a feature of genetic syndromes, in association with significant skeletal and limb anomalies. Isolated nonsyndromic congenital anonychia/hyponychia is a rare entity that usually follows autosomal recessive inheritance with variable expression, even within a given family. The nail phenotypes observed range from no nail field to a nail field of reduced size with an absent or rudimentary nail (summary by Bruchle et al., 2008). This form of nail disorder is referred to here as nonsyndromic congenital nail disorder-4 (NDNC4).&#13; For a list of other nonsyndromic congenital nail disorders and a discussion of genetic heterogeneity, see NDNC1 (161050).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/120563">Feature record</a> | <a href="/medgen?term=%22Anonychia%22%5BClinical%20Features%5D%20OR%20120563%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_332409"><div><strong>Hypoplastic toenails</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332409</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1837279</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Underdevelopment of the toenail.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/332409">Feature record</a> | <a href="/medgen?term=%22Hypoplastic%20toenails%22%5BClinical%20Features%5D%20OR%20332409%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_347304"><div><strong>Hypoplastic fingernail</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>347304</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1856786</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Underdevelopment of a fingernail.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/347304">Feature record</a> | <a href="/medgen?term=%22Hypoplastic%20fingernail%22%5BClinical%20Features%5D%20OR%20347304%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_324644"><div><strong>Thickened nuchal skin fold</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324644</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1836940</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A thickening of the skin thickness in the posterior aspect of the fetal neck. A nuchal fold (NF) measurement is obtained in a transverse section of the fetal head at the level of the cavum septum pellucidum and thalami, angled posteriorly to include the cerebellum. The measurement is taken from the outer edge of the occiput bone to the outer skin limit directly in the midline. An NF measurement greater than 5 mm at 14 to 17+6 weeks of gestation, or 6 mm at 18 to 28 weeks has been associated with a markedly increased risk for Down syndrome.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/324644">Feature record</a> | <a href="/medgen?term=%22Thickened%20nuchal%20skin%20fold%22%5BClinical%20Features%5D%20OR%20324644%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_2287"><div><strong>Ptosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>2287</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0005745</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">The upper eyelid margin is positioned 3 mm or more lower than usual and covers the superior portion of the iris (objective); or, the upper lid margin obscures at least part of the pupil (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/2287">Feature record</a> | <a href="/medgen?term=%22Ptosis%22%5BClinical%20Features%5D%20OR%202287%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_9373"><div><strong>Hypertelorism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>9373</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0020534</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Although hypertelorism means an excessive distance between any paired organs (e.g., the nipples), the use of the word has come to be confined to ocular hypertelorism. Hypertelorism occurs as an isolated feature and is also a feature of many syndromes, e.g., Opitz G syndrome (see 300000), Greig cephalopolysyndactyly (175700), and Noonan syndrome (163950) (summary by Cohen et al., 1995).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/9373">Feature record</a> | <a href="/medgen?term=%22Hypertelorism%22%5BClinical%20Features%5D%20OR%209373%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_18180"><div><strong>Optic atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>18180</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0029124</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Atrophy of the optic nerve. Optic atrophy results from the death of the retinal ganglion cell axons that comprise the optic nerve and manifesting as a pale optic nerve on fundoscopy.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/18180">Feature record</a> | <a href="/medgen?term=%22Optic%20atrophy%22%5BClinical%20Features%5D%20OR%2018180%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_39462"><div><strong>Cataract</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>39462</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0086543</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A cataract is an opacity or clouding that develops in the crystalline lens of the eye or in its capsule.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/39462">Feature record</a> | <a href="/medgen?term=%22Cataract%22%5BClinical%20Features%5D%20OR%2039462%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_78759"><div><strong>High myopia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>78759</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0271183</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A severe form of myopia with greater than -6.00 diopters.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/78759">Feature record</a> | <a href="/medgen?term=%22High%20myopia%22%5BClinical%20Features%5D%20OR%2078759%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_99138"><div><strong>Blindness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>99138</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0456909</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Blindness is the condition of lacking visual perception defined as a profound reduction in visual perception. On the 6m visual acuity scale, blindness is defined as less than 3/60. On the 20ft visual acuity scale, blindness is defined as less than 20/400. On the decimal visual acuity scale, blindness is defined as less than 0.05. Blindness is typically characterized by a visual field of no greater than 10 degrees in radius around central fixation.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/99138">Feature record</a> | <a href="/medgen?term=%22Blindness%22%5BClinical%20Features%5D%20OR%2099138%5Buid%5D">Search on this feature</a></div></div><div class="TreeLite" data-jigconfig="closed: 1"><div class="concept-def"><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().closeAll(); return false;">Hide all</a></div><ul><li><span class="TLline">Abnormality of head or neck</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_326648" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Anteverted nares</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66013" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bulbous nose</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_756015" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cleft palate</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_335284" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Coarse facial features</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_356471" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Downturned corners of mouth</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_151862" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epicanthus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_344003" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Everted lower lip vermilion</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_87712" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gingival overgrowth</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66814" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">High palate</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_351278" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Long philtrum</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_331280" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Low anterior hairline</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_326956" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Narrow forehead</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_116104" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Open mouth</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_326567" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Thick lower lip vermilion</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_355352" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Thin upper lip vermilion</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_341441" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Wide nasal bridge</a></span></li></ul></li><li><span class="TLline">Abnormality of limbs</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_340456" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Clinodactyly of the 5th finger</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_322130" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Long thumb</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_334269" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Short 5th finger</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_326590" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Short distal phalanx of finger</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66029" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Triphalangeal thumb</a></span></li></ul></li><li><span class="TLline">Abnormality of prenatal development or birth</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_324644" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Thickened nuchal skin fold</a></span></li></ul></li><li><span class="TLline">Abnormality of the cardiovascular system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_6753" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Atrial septal defect</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_4415" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Patent ductus arteriosus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_42366" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ventricular septal defect</a></span></li></ul></li><li><span class="TLline">Abnormality of the eye</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_99138" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Blindness</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_39462" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cataract</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_78759" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">High myopia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_9373" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypertelorism</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_18180" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_2287" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ptosis</a></span></li></ul></li><li><span class="TLline">Abnormality of the genitourinary system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_322533" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cystic renal dysplasia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_868516" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Increased urine alpha-ketoglutarate concentration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_154237" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Renal agenesis</a></span></li></ul></li><li><span class="TLline">Abnormality of the integument</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_120563" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Anonychia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_347304" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypoplastic fingernail</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_332409" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypoplastic toenails</a></span></li></ul></li><li><span class="TLline">Abnormality of the musculoskeletal system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_419183" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dandy-Walker malformation</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_346841" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Generalized hypotonia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_10133" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypotonia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1644158" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcephaly</a></span></li></ul></li><li><span class="TLline">Abnormality of the nervous system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_116012" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebral atrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107838" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Global developmental delay</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_195967" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyporeflexia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_811461" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_57502" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Polyneuropathy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_20693" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_480553" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ventriculomegaly</a></span></li></ul></li><li><span class="TLline">Ear malformation</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_96788" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bilateral sensorineural hearing impairment</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_235586" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hearing impairment</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_65980" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Low-set ears</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_9164" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sensorineural hearing loss disorder</a></span></li></ul></li></ul></div></div>
</div>
<div class="portlet mgSection" id="ID_118">
<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=C0795934[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=208648">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=208648" target="_blank" href="/omim/220500">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK274566/" ref="ncbi_uid=208648">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=208648" ref="ncbi_uid=208648">V</a></span></span><span class="TLline">DOORS syndrome</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/1661423" ref="tree=MeSH" title="MedGen record for Deafness-onychodystrophy syndrome">Deafness-onychodystrophy syndrome</a></span><ul><li><span class="matched_ds">DOORS syndrome</span></li></ul></li></ul></div></div></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/25169651">DOORS syndrome: phenotype, genotype and comparison with Coffin-Siris syndrome.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Campeau PM,
Hennekam RC;
DOORS syndrome collaborative group</span><br />
<span class="medgenPMjournal">Am J Med Genet C Semin Med Genet</span>
2014 Sep;166C(3):327-32.
Epub 2014 Aug 28
doi: 10.1002/ajmg.c.31412.
<span class="bold">PMID: </span><a href="/pubmed/25169651" target="_blank">25169651</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22doors%20syndrome%22%5Btiab%3A~0%5D)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (1)</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/39214300">Interaction between the TBC1D24 TLDc domain and the KIBRA C2 domain is disrupted by two epilepsy-associated TBC1D24 missense variants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Tona R,
Inagaki S,
Ishibashi Y,
Faridi R,
Yousaf R,
Roux I,
Wilson E,
Fenollar-Ferrer C,
Chien WW,
Belyantseva IA,
Friedman TB</span><br />
<span class="medgenPMjournal">J Biol Chem</span>
2024 Sep;300(9):107725.
Epub 2024 Aug 28
doi: 10.1016/j.jbc.2024.107725.
<span class="bold">PMID: </span><a href="/pubmed/39214300" target="_blank">39214300</a><a href="/pmc/articles/PMC11465063" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/34232384">Genetic architecture and phenotypic landscape of deafness and onychodystrophy syndromes.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Gao X,
Dai P,
Yuan YY</span><br />
<span class="medgenPMjournal">Hum Genet</span>
2022 Apr;141(3-4):821-838.
Epub 2021 Jul 7
doi: 10.1007/s00439-021-02310-2.
<span class="bold">PMID: </span><a href="/pubmed/34232384" target="_blank">34232384</a></div>
<div class="nl"><a target="_blank" href="/pubmed/30245510">A new microdeletion syndrome involving TBC1D24, ATP6V0C, and PDPK1 causes epilepsy, microcephaly, and developmental delay.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Mucha BE,
Banka S,
Ajeawung NF,
Molidperee S,
Chen GG,
Koenig MK,
Adejumo RB,
Till M,
Harbord M,
Perrier R,
Lemyre E,
Boucher RM,
Skotko BG,
Waxler JL,
Thomas MA,
Hodge JC,
Gecz J,
Nicholl J,
McGregor L,
Linden T,
Sisodiya SM,
Sanlaville D,
Cheung SW,
Ernst C,
Campeau PM</span><br />
<span class="medgenPMjournal">Genet Med</span>
2019 May;21(5):1058-1064.
Epub 2018 Sep 24
doi: 10.1038/s41436-018-0290-3.
<span class="bold">PMID: </span><a href="/pubmed/30245510" target="_blank">30245510</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25169651">DOORS syndrome: phenotype, genotype and comparison with Coffin-Siris syndrome.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Campeau PM,
Hennekam RC;
DOORS syndrome collaborative group</span><br />
<span class="medgenPMjournal">Am J Med Genet C Semin Med Genet</span>
2014 Sep;166C(3):327-32.
Epub 2014 Aug 28
doi: 10.1002/ajmg.c.31412.
<span class="bold">PMID: </span><a href="/pubmed/25169651" target="_blank">25169651</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22DOORS%20syndrome%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 (4)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/34232384">Genetic architecture and phenotypic landscape of deafness and onychodystrophy syndromes.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Gao X,
Dai P,
Yuan YY</span><br />
<span class="medgenPMjournal">Hum Genet</span>
2022 Apr;141(3-4):821-838.
Epub 2021 Jul 7
doi: 10.1007/s00439-021-02310-2.
<span class="bold">PMID: </span><a href="/pubmed/34232384" target="_blank">34232384</a></div>
<div class="nl"><a target="_blank" href="/pubmed/32873933">DOORS syndrome and a recurrent truncating ATP6V1B2 variant.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Beauregard-Lacroix E,
Pacheco-Cuellar G,
Ajeawung NF,
Tardif J,
Dieterich K,
Dabir T,
Vind-Kezunovic D,
White SM,
Zadori D,
Castiglioni C,
Tranebjærg L,
Tørring PM,
Blair E,
Wisniewska M,
Camurri MV,
van Bever Y,
Molidperee S,
Taylor J,
Dionne-Laporte A,
Sisodiya SM,
Hennekam RCM,
Campeau PM</span><br />
<span class="medgenPMjournal">Genet Med</span>
2021 Jan;23(1):149-154.
Epub 2020 Sep 2
doi: 10.1038/s41436-020-00950-9.
<span class="bold">PMID: </span><a href="/pubmed/32873933" target="_blank">32873933</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25169651">DOORS syndrome: phenotype, genotype and comparison with Coffin-Siris syndrome.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Campeau PM,
Hennekam RC;
DOORS syndrome collaborative group</span><br />
<span class="medgenPMjournal">Am J Med Genet C Semin Med Genet</span>
2014 Sep;166C(3):327-32.
Epub 2014 Aug 28
doi: 10.1002/ajmg.c.31412.
<span class="bold">PMID: </span><a href="/pubmed/25169651" target="_blank">25169651</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24729547">A dominant mutation in the stereocilia-expressing gene TBC1D24 is a probable cause for nonsyndromic hearing impairment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Zhang L,
Hu L,
Chai Y,
Pang X,
Yang T,
Wu H</span><br />
<span class="medgenPMjournal">Hum Mutat</span>
2014 Jul;35(7):814-8.
Epub 2014 May 6
doi: 10.1002/humu.22558.
<span class="bold">PMID: </span><a href="/pubmed/24729547" target="_blank">24729547</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24291220">The genetic basis of DOORS syndrome: an exome-sequencing study.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Campeau PM,
Kasperaviciute D,
Lu JT,
Burrage LC,
Kim C,
Hori M,
Powell BR,
Stewart F,
Félix TM,
van den Ende J,
Wisniewska M,
Kayserili H,
Rump P,
Nampoothiri S,
Aftimos S,
Mey A,
Nair LD,
Begleiter ML,
De Bie I,
Meenakshi G,
Murray ML,
Repetto GM,
Golabi M,
Blair E,
Male A,
Giuliano F,
Kariminejad A,
Newman WG,
Bhaskar SS,
Dickerson JE,
Kerr B,
Banka S,
Giltay JC,
Wieczorek D,
Tostevin A,
Wiszniewska J,
Cheung SW,
Hennekam RC,
Gibbs RA,
Lee BH,
Sisodiya SM</span><br />
<span class="medgenPMjournal">Lancet Neurol</span>
2014 Jan;13(1):44-58.
Epub 2013 Nov 29
doi: 10.1016/S1474-4422(13)70265-5.
<span class="bold">PMID: </span><a href="/pubmed/24291220" target="_blank">24291220</a><a href="/pmc/articles/PMC3895324" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22DOORS%20syndrome%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 (8)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/30858606">TBC1D24 regulates axonal outgrowth and membrane trafficking at the growth cone in rodent and human neurons.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Aprile D,
Fruscione F,
Baldassari S,
Fadda M,
Ferrante D,
Falace A,
Buhler E,
Sartorelli J,
Represa A,
Baldelli P,
Benfenati F,
Zara F,
Fassio A</span><br />
<span class="medgenPMjournal">Cell Death Differ</span>
2019 Nov;26(11):2464-2478.
Epub 2019 Mar 11
doi: 10.1038/s41418-019-0313-x.
<span class="bold">PMID: </span><a href="/pubmed/30858606" target="_blank">30858606</a><a href="/pmc/articles/PMC6889177" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25557349">Early-onset epileptic encephalopathy with hearing loss in two siblings with TBC1D24 recessive mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Stražišar BG,
Neubauer D,
Paro Panjan D,
Writzl K</span><br />
<span class="medgenPMjournal">Eur J Paediatr Neurol</span>
2015 Mar;19(2):251-6.
Epub 2014 Dec 20
doi: 10.1016/j.ejpn.2014.12.011.
<span class="bold">PMID: </span><a href="/pubmed/25557349" target="_blank">25557349</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24729539">TBC1D24 mutation causes autosomal-dominant nonsyndromic hearing loss.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Azaiez H,
Booth KT,
Bu F,
Huygen P,
Shibata SB,
Shearer AE,
Kolbe D,
Meyer N,
Black-Ziegelbein EA,
Smith RJ</span><br />
<span class="medgenPMjournal">Hum Mutat</span>
2014 Jul;35(7):819-23.
Epub 2014 May 6
doi: 10.1002/humu.22557.
<span class="bold">PMID: </span><a href="/pubmed/24729539" target="_blank">24729539</a><a href="/pmc/articles/PMC4267685" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22DOORS%20syndrome%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 (3)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/30858606">TBC1D24 regulates axonal outgrowth and membrane trafficking at the growth cone in rodent and human neurons.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Aprile D,
Fruscione F,
Baldassari S,
Fadda M,
Ferrante D,
Falace A,
Buhler E,
Sartorelli J,
Represa A,
Baldelli P,
Benfenati F,
Zara F,
Fassio A</span><br />
<span class="medgenPMjournal">Cell Death Differ</span>
2019 Nov;26(11):2464-2478.
Epub 2019 Mar 11
doi: 10.1038/s41418-019-0313-x.
<span class="bold">PMID: </span><a href="/pubmed/30858606" target="_blank">30858606</a><a href="/pmc/articles/PMC6889177" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/30245510">A new microdeletion syndrome involving TBC1D24, ATP6V0C, and PDPK1 causes epilepsy, microcephaly, and developmental delay.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Mucha BE,
Banka S,
Ajeawung NF,
Molidperee S,
Chen GG,
Koenig MK,
Adejumo RB,
Till M,
Harbord M,
Perrier R,
Lemyre E,
Boucher RM,
Skotko BG,
Waxler JL,
Thomas MA,
Hodge JC,
Gecz J,
Nicholl J,
McGregor L,
Linden T,
Sisodiya SM,
Sanlaville D,
Cheung SW,
Ernst C,
Campeau PM</span><br />
<span class="medgenPMjournal">Genet Med</span>
2019 May;21(5):1058-1064.
Epub 2018 Sep 24
doi: 10.1038/s41436-018-0290-3.
<span class="bold">PMID: </span><a href="/pubmed/30245510" target="_blank">30245510</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25769375">Homozygous TBC1D24 mutation in two siblings with familial infantile myoclonic epilepsy (FIME) and moderate intellectual disability.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Poulat AL,
Ville D,
de Bellescize J,
André-Obadia N,
Cacciagli P,
Milh M,
Villard L,
Lesca G</span><br />
<span class="medgenPMjournal">Epilepsy Res</span>
2015 Mar;111:72-7.
Epub 2015 Jan 25
doi: 10.1016/j.eplepsyres.2015.01.008.
<span class="bold">PMID: </span><a href="/pubmed/25769375" target="_blank">25769375</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25557349">Early-onset epileptic encephalopathy with hearing loss in two siblings with TBC1D24 recessive mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Stražišar BG,
Neubauer D,
Paro Panjan D,
Writzl K</span><br />
<span class="medgenPMjournal">Eur J Paediatr Neurol</span>
2015 Mar;19(2):251-6.
Epub 2014 Dec 20
doi: 10.1016/j.ejpn.2014.12.011.
<span class="bold">PMID: </span><a href="/pubmed/25557349" target="_blank">25557349</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24729539">TBC1D24 mutation causes autosomal-dominant nonsyndromic hearing loss.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Azaiez H,
Booth KT,
Bu F,
Huygen P,
Shibata SB,
Shearer AE,
Kolbe D,
Meyer N,
Black-Ziegelbein EA,
Smith RJ</span><br />
<span class="medgenPMjournal">Hum Mutat</span>
2014 Jul;35(7):819-23.
Epub 2014 May 6
doi: 10.1002/humu.22557.
<span class="bold">PMID: </span><a href="/pubmed/24729539" target="_blank">24729539</a><a href="/pmc/articles/PMC4267685" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22DOORS%20syndrome%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 (5)</a></div></div>
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<h2 class="offscreen_noflow">Supplemental Content</h2>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Table_of_contents">Table of contents</h1><a sid="113" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul id="my-toc"></ul></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Genetic_Testing_Registry">Genetic Testing Registry</h1><a sid="106" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C0795934%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (14)</a></li>
<li><a href="/gtr/tests?term=C0795934%5bDISCUI%5d&amp;filter=method%3A2%5F9" target="_blank">Sequence analysis of select exons (4)</a></li>
<li><a href="/gtr/tests?term=C0795934%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (23)</a></li>
<li><a href="/gtr/tests?term=C0795934%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (6)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C0795934%5bDISCUI%5d" target="_blank">See all (26)</a></total></li>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_resources">Clinical resources</h1><a sid="119" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="https://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=220500" target="_blank">OMIM</a></li><li><a href="http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Expert=79500" target="_blank">Orphanet</a></li><li><a href="https://clinicaltrials.gov/search?cond=DOORS%20syndrome" target="_blank">ClinicalTrials.gov</a></li></ul></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Practice_guidelines">Practice guidelines</h1><a sid="121" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22doors%20syndrome%22%5Btiab%3A~0%5D)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">PubMed</a><div class="help-popup">See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li></ul></div>
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<div class="portlet mgSection" id="ID_115">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Molecular_resources">Molecular resources</h1><a sid="115" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="http://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=613577" target="_blank">OMIM</a></li><li><a href="/clinvar/?term=57465[geneid]" target="_blank">View TBC1D24 variations in ClinVar</a></li><li><a href="/nuccore/325053742" target="_blank">RefSeqGene</a></li><li><a href="https://catalog.coriell.org/Search?q=220500" target="_blank">Coriell Institute for Medical Research</a></li></ul></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Consumer_resources">Consumer resources</h1><a sid="116" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="http://www.diseaseinfosearch.org/Digitorenocerebral+Syndrome/2280" target="_blank">Genetic Alliance</a></li><li><a href="https://www.malacards.org/card/deafness_onychodystrophy_osteodystrophy_impaired_intellectual_development_and_seizures_syndrome" target="_blank">MalaCards</a></li><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&amp;query=DOORS%20syndrome" target="_blank">MedlinePlus</a></li><li><a href="https://rarediseases.info.nih.gov/diseases/1685/disease" target="_blank">NCATS Office of Rare Diseases Research (GARD)</a></li></ul></div>
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<p class="address_footer text-white">National Library of Medicine<br />
<a href="https://www.google.com/maps/place/8600+Rockville+Pike,+Bethesda,+MD+20894/@38.9959508,-77.101021,17z/data=!3m1!4b1!4m5!3m4!1s0x89b7c95e25765ddb:0x19156f88b27635b8!8m2!3d38.9959508!4d-77.0988323" class="text-white" target="_blank" rel="noopener noreferrer">8600 Rockville Pike<br />
Bethesda, MD 20894</a></p>
</div>
<div class="col-lg-3 col-12 centered-lg">
<p><a href="https://www.nlm.nih.gov/web_policies.html" class="text-white">Web Policies</a><br />
<a href="https://www.nih.gov/institutes-nih/nih-office-director/office-communications-public-liaison/freedom-information-act-office" class="text-white">FOIA</a><br />
<a href="https://www.hhs.gov/vulnerability-disclosure-policy/index.html" class="text-white" id="vdp">HHS Vulnerability Disclosure</a></p>
</div>
<div class="col-lg-3 col-12 centered-lg">
<p><a class="supportLink text-white" href="https://support.nlm.nih.gov/">Help</a><br />
<a href="https://www.nlm.nih.gov/accessibility.html" class="text-white">Accessibility</a><br />
<a href="https://www.nlm.nih.gov/careers/careers.html" class="text-white">Careers</a></p>
</div>
</div>
<div class="row">
<div class="col-lg-12 centered-lg">
<nav class="bottom-links">
<ul class="mt-3">
<li>
<a class="text-white" href="//www.nlm.nih.gov/">NLM</a>
</li>
<li>
<a class="text-white" href="https://www.nih.gov/">NIH</a>
</li>
<li>
<a class="text-white" href="https://www.hhs.gov/">HHS</a>
</li>
<li>
<a class="text-white" href="https://www.usa.gov/">USA.gov</a>
</li>
</ul>
</nav>
</div>
</div>
</div>
</section>
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