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<meta name="keywords" content="C4540164, congenital abnormality, pch11, pontocerebellar hypoplasia due to tbc1d23, pontocerebellar hypoplasia type 11, pontocerebellar hypoplasia, type 11, tbc1d23, 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="Pontocerebellar hypoplasia type 11 (PCH11) is an autosomal recessive neurodevelopmental disorder characterized by severely delayed psychomotor development with impaired intellectual development and poor speech, microcephaly, dysmorphic features, and pontocerebellar hypoplasia on brain imaging. Additional features are more variable (summary by Marin-Valencia et al., 2017).&#13; For a general phenotypic description and a discussion of genetic heterogeneity of PCH, see PCH1 (607596)." /><meta name="robots" content="index,nofollow,noarchive" />
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<!--
UID=1627627
ConceptID=C4540164
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Pontocerebellar hypoplasia, type 11<span class="h1sub">(PCH11)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1627627</dd><dt><span class="dotprefix"></span>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:">C4540164</span></a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
<td>PCH11; PONTOCEREBELLAR HYPOPLASIA, TYPE 11</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="TBC1D23 - ID: 55773 - NCBI Gene" href="/gene/55773" class="medgenPMinfo">TBC1D23</a> (3q12.1-12.2)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0054669" target="_blank">MONDO:0054669</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/617695" target="_blank">617695</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=611247">ORPHA611247</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_100">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">Pontocerebellar hypoplasia type 11 (PCH11) is an autosomal recessive neurodevelopmental disorder characterized by severely delayed psychomotor development with impaired intellectual development and poor speech, microcephaly, dysmorphic features, and pontocerebellar hypoplasia on brain imaging. Additional features are more variable (summary by Marin-Valencia et al., 2017).&#13; For a general phenotypic description and a discussion of genetic heterogeneity of PCH, see PCH1 (607596). [from <a title="Online Mendelian Inheritance in Man" href="http://www.omim.org" class="defSource" target="_blank">OMIM</a>]</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_3130"><div><strong>Clubfoot</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>3130</dd><dt><span class="dotprefix"></span>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.">C0009081</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Clubfoot is a congenital limb deformity defined as fixation of the foot in cavus, adductus, varus, and equinus (i.e., inclined inwards, axially rotated outwards, and pointing downwards) with concomitant soft tissue abnormalities (Cardy et al., 2007). Clubfoot may occur in isolation or as part of a syndrome (e.g., diastrophic dysplasia, 222600). Clubfoot has been reported with deficiency of long bones and mirror-image polydactyly (Gurnett et al., 2008; Klopocki et al., 2012).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/3130">Feature record</a> | <a href="/medgen?term=%22Clubfoot%22%5BClinical%20Features%5D%20OR%203130%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_42034"><div><strong>Pes planus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>42034</dd><dt><span class="dotprefix"></span>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.">C0016202</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">A foot where the longitudinal arch of the foot is in contact with the ground or floor when the individual is standing; or, in a patient lying supine, a foot where the arch is in contact with the surface of a flat board pressed against the sole of the foot by the examiner with a pressure similar to that expected from weight bearing; or, the height of the arch is reduced.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/42034">Feature record</a> | <a href="/medgen?term=%22Pes%20planus%22%5BClinical%20Features%5D%20OR%2042034%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_87607"><div><strong>Short stature</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>87607</dd><dt><span class="dotprefix"></span>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.">C0349588</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/87607">Feature record</a> | <a href="/medgen?term=%22Short%20stature%22%5BClinical%20Features%5D%20OR%2087607%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1806755"><div><strong>Decreased body weight</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1806755</dd><dt><span class="dotprefix"></span>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.">C5574742</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Abnormally low body weight.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1806755">Feature record</a> | <a href="/medgen?term=%22Decreased%20body%20weight%22%5BClinical%20Features%5D%20OR%201806755%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1997"><div><strong>Imperforate anus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1997</dd><dt><span class="dotprefix"></span>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.">C0003466</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Congenital absence of the anus, i.e., the opening at the bottom end of the intestinal tract.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1997">Feature record</a> | <a href="/medgen?term=%22Imperforate%20anus%22%5BClinical%20Features%5D%20OR%201997%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_41440"><div><strong>Dysphagia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>41440</dd><dt><span class="dotprefix"></span>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.">C0011168</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Difficulty in swallowing.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/41440">Feature record</a> | <a href="/medgen?term=%22Dysphagia%22%5BClinical%20Features%5D%20OR%2041440%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_488785"><div><strong>Macrotia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>488785</dd><dt><span class="dotprefix"></span>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.">C0152421</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Median longitudinal ear length greater than two standard deviations above the mean and median ear width greater than two standard deviations above the mean (objective); or, apparent increase in length and width of the pinna (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/488785">Feature record</a> | <a href="/medgen?term=%22Macrotia%22%5BClinical%20Features%5D%20OR%20488785%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_849"><div><strong>Cerebellar ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>849</dd><dt><span class="dotprefix"></span>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.">C0007758</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- or overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/849">Feature record</a> | <a href="/medgen?term=%22Cerebellar%20ataxia%22%5BClinical%20Features%5D%20OR%20849%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_8510"><div><strong>Dysarthria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>8510</dd><dt><span class="dotprefix"></span>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.">C0013362</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Dysarthric speech is a general description referring to a neurological speech disorder characterized by poor articulation. Depending on the involved neurological structures, dysarthria may be further classified as spastic, flaccid, ataxic, hyperkinetic and hypokinetic, or mixed.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/8510">Feature record</a> | <a href="/medgen?term=%22Dysarthria%22%5BClinical%20Features%5D%20OR%208510%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_7753"><div><strong>Spasticity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>7753</dd><dt><span class="dotprefix"></span>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.">C0026838</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/7753">Feature record</a> | <a href="/medgen?term=%22Spasticity%22%5BClinical%20Features%5D%20OR%207753%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_48638"><div><strong>Intellectual disability, severe</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>48638</dd><dt><span class="dotprefix"></span>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.">C0036857</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Severe mental retardation is defined as an intelligence quotient (IQ) in the range of 20-34.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/48638">Feature record</a> | <a href="/medgen?term=%22Intellectual%20disability%2C%20severe%22%5BClinical%20Features%5D%20OR%2048638%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_21318"><div><strong>Motor stereotypies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>21318</dd><dt><span class="dotprefix"></span>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.">C0038271</a></dd><dt><span class="dotprefix"></span></dt><dd>Individual Behavior</dd></dl></div></div></div>
<div class="spaceAbove">Use of the same abnormal action in response to certain triggers or at random. They may be used as a way to regulate one's internal state but must otherwise have no apparent functional purpose.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen?term=%22Motor%20stereotypies%22%5BClinical%20Features%5D%20OR%2021318%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_88371"><div><strong>Self-injurious behavior</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>88371</dd><dt><span class="dotprefix"></span>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.">C0085271</a></dd><dt><span class="dotprefix"></span></dt><dd>Individual Behavior</dd></dl></div></div></div>
<div class="spaceAbove">Self-aggression.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen?term=%22Self-injurious%20behavior%22%5BClinical%20Features%5D%20OR%2088371%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_104498"><div><strong>Corpus callosum, agenesis of</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>104498</dd><dt><span class="dotprefix"></span>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.">C0175754</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">The corpus callosum is the largest fiber tract in the central nervous system and the major interhemispheric fiber bundle in the brain. Formation of the corpus callosum begins as early as 6 weeks' gestation, with the first fibers crossing the midline at 11 to 12 weeks' gestation, and completion of the basic shape by age 18 to 20 weeks (Schell-Apacik et al., 2008). Agenesis of the corpus callosum (ACC) is one of the most frequent malformations in brain with a reported incidence ranging between 0.5 and 70 in 10,000 births. ACC is a clinically and genetically heterogeneous condition, which can be observed either as an isolated condition or as a manifestation in the context of a congenital syndrome (see MOLECULAR GENETICS and Dobyns, 1996). Also see mirror movements-1 and/or agenesis of the corpus callosum (MRMV1; 157600).&#13; Schell-Apacik et al. (2008) noted that there is confusion in the literature regarding radiologic terminology concerning partial absence of the corpus callosum, where various designations have been used, including hypogenesis, hypoplasia, partial agenesis, or dysgenesis.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/104498">Feature record</a> | <a href="/medgen?term=%22Corpus%20callosum%2C%20agenesis%20of%22%5BClinical%20Features%5D%20OR%20104498%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_120578"><div><strong>Cerebellar hypoplasia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>120578</dd><dt><span class="dotprefix"></span>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.">C0266470</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Cerebellar hypoplasia is a descriptive term implying a cerebellum with a reduced volume, but a normal shape and is stable over time.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/120578">Feature record</a> | <a href="/medgen?term=%22Cerebellar%20hypoplasia%22%5BClinical%20Features%5D%20OR%20120578%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_138005"><div><strong>Hypoplasia of the corpus callosum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>138005</dd><dt><span class="dotprefix"></span>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.">C0344482</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Underdevelopment of the corpus callosum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/138005">Feature record</a> | <a href="/medgen?term=%22Hypoplasia%20of%20the%20corpus%20callosum%22%5BClinical%20Features%5D%20OR%20138005%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_105318"><div><strong>Delayed speech and language development</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>105318</dd><dt><span class="dotprefix"></span>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.">C0454644</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A degree of language development that is significantly below the norm for a child of a specified age.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/105318">Feature record</a> | <a href="/medgen?term=%22Delayed%20speech%20and%20language%20development%22%5BClinical%20Features%5D%20OR%20105318%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_107860"><div><strong>Inability to walk</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107860</dd><dt><span class="dotprefix"></span>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.">C0560046</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Incapability to ambulate.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107860">Feature record</a> | <a href="/medgen?term=%22Inability%20to%20walk%22%5BClinical%20Features%5D%20OR%20107860%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_107874"><div><strong>Poor coordination</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107874</dd><dt><span class="dotprefix"></span>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.">C0563243</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107874">Feature record</a> | <a href="/medgen?term=%22Poor%20coordination%22%5BClinical%20Features%5D%20OR%20107874%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_107895"><div><strong>Gait disturbance</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107895</dd><dt><span class="dotprefix"></span>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.">C0575081</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">The term gait disturbance can refer to any disruption of the ability to walk.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107895">Feature record</a> | <a href="/medgen?term=%22Gait%20disturbance%22%5BClinical%20Features%5D%20OR%20107895%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_196692"><div><strong>Limb ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>196692</dd><dt><span class="dotprefix"></span>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.">C0750937</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A kind of ataxia that affects movements of the extremities.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/196692">Feature record</a> | <a href="/medgen?term=%22Limb%20ataxia%22%5BClinical%20Features%5D%20OR%20196692%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_167799"><div><strong>Broad-based gait</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>167799</dd><dt><span class="dotprefix"></span>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.">C0856863</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormal gait pattern in which persons stand and walk with their feet spaced widely apart. This is often a component of cerebellar ataxia.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/167799">Feature record</a> | <a href="/medgen?term=%22Broad-based%20gait%22%5BClinical%20Features%5D%20OR%20167799%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_163547"><div><strong>Autistic behavior</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>163547</dd><dt><span class="dotprefix"></span>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.">C0856975</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Persistent deficits in social interaction and communication and interaction as well as a markedly restricted repertoire of activity and interest as well as repetitive patterns of behavior.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/163547">Feature record</a> | <a href="/medgen?term=%22Autistic%20behavior%22%5BClinical%20Features%5D%20OR%20163547%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_220387"><div><strong>Attention deficit hyperactivity disorder</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>220387</dd><dt><span class="dotprefix"></span>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.">C1263846</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Attention-deficit/hyperactivity disorder (ADHD) is a behavioral disorder that typically begins in childhood and is characterized by a short attention span (inattention), an inability to be calm and stay still (hyperactivity), and poor impulse control (impulsivity). Some people with ADHD have problems with only inattention or with hyperactivity and impulsivity, but most have problems related to all three features.\n\nIn people with ADHD, the characteristic behaviors are frequent and severe enough to interfere with the activities of daily living such as school, work, and relationships with others. Because of an inability to stay focused on tasks, people with inattention may be easily distracted, forgetful, avoid tasks that require sustained attention, have difficulty organizing tasks, or frequently lose items.\n\nHyperactivity is usually shown by frequent movement. Individuals with this feature often fidget or tap their foot when seated, leave their seat when it is inappropriate to do so (such as in the classroom), or talk a lot and interrupt others.\n\nImpulsivity can result in hasty actions without thought for the consequences. Individuals with poor impulse control may have difficulty waiting for their turn, deferring to others, or considering their actions before acting.\n\nMore than two-thirds of all individuals with ADHD have additional conditions, including insomnia, mood or anxiety disorders, learning disorders, or substance use disorders. Affected individuals may also have autism spectrum disorder, which is characterized by impaired communication and social interaction, or Tourette syndrome, which is a disorder characterized by repetitive and involuntary movements or noises called tics.\n\nIn most affected individuals, ADHD continues throughout life, but in about one-third of individuals, signs and symptoms of ADHD go away by adulthood.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/220387">Feature record</a> | <a href="/medgen?term=%22Attention%20deficit%20hyperactivity%20disorder%22%5BClinical%20Features%5D%20OR%20220387%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_303190"><div><strong>Reduced eye contact</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>303190</dd><dt><span class="dotprefix"></span>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.">C1445953</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A reduced frequency or duration of eye contact.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/303190">Feature record</a> | <a href="/medgen?term=%22Reduced%20eye%20contact%22%5BClinical%20Features%5D%20OR%20303190%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_341246"><div><strong>Hypoplasia of the pons</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341246</dd><dt><span class="dotprefix"></span>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.">C1848529</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Underdevelopment of the pons.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/341246">Feature record</a> | <a href="/medgen?term=%22Hypoplasia%20of%20the%20pons%22%5BClinical%20Features%5D%20OR%20341246%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_344654"><div><strong>Happy demeanor</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>344654</dd><dt><span class="dotprefix"></span>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.">C1856115</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A conspicuously happy disposition, characterized by frequent smiling and laughing, which may be contextually inappropriate or unrelated to the situation.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/344654">Feature record</a> | <a href="/medgen?term=%22Happy%20demeanor%22%5BClinical%20Features%5D%20OR%20344654%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_892680"><div><strong>Muscular atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>892680</dd><dt><span class="dotprefix"></span>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.">C0541794</a></dd><dt><span class="dotprefix"></span></dt><dd>Pathologic Function</dd></dl></div></div></div>
<div class="spaceAbove">The presence of skeletal muscular atrophy (which is also known as amyotrophy).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/892680">Feature record</a> | <a href="/medgen?term=%22Muscular%20atrophy%22%5BClinical%20Features%5D%20OR%20892680%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_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_812812"><div><strong>Recurrent respiratory infections</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>812812</dd><dt><span class="dotprefix"></span>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.">C3806482</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An increased susceptibility to respiratory infections as manifested by a history of recurrent respiratory infections.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/812812">Feature record</a> | <a href="/medgen?term=%22Recurrent%20respiratory%20infections%22%5BClinical%20Features%5D%20OR%20812812%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_1046"><div><strong>Congenital ocular coloboma</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1046</dd><dt><span class="dotprefix"></span>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.">C0009363</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Coloboma is an eye abnormality that occurs before birth. Colobomas are missing pieces of tissue in structures that form the eye. They may appear as notches or gaps in one of several parts of the eye, including the colored part of the eye called the iris; the retina, which is the specialized light-sensitive tissue that lines the back of the eye; the blood vessel layer under the retina called the choroid; or the optic nerves, which carry information from the eyes to the brain.\n\nColobomas may be present in one or both eyes and, depending on their size and location, can affect a person's vision. Colobomas affecting the iris, which result in a "keyhole" appearance of the pupil, generally do not lead to vision loss. Colobomas involving the retina result in vision loss in specific parts of the visual field. Large retinal colobomas or those affecting the optic nerve can cause low vision, which means vision loss that cannot be completely corrected with glasses or contact lenses.\n\nSome people with coloboma also have a condition called microphthalmia. In this condition, one or both eyeballs are abnormally small. In some affected individuals, the eyeball may appear to be completely missing; however, even in these cases some remaining eye tissue is generally present. Such severe microphthalmia should be distinguished from another condition called anophthalmia, in which no eyeball forms at all. However, the terms anophthalmia and severe microphthalmia are often used interchangeably. Microphthalmia may or may not result in significant vision loss.\n\nPeople with coloboma may also have other eye abnormalities, including clouding of the lens of the eye (cataract), increased pressure inside the eye (glaucoma) that can damage the optic nerve, vision problems such as nearsightedness (myopia), involuntary back-and-forth eye movements (nystagmus), or separation of the retina from the back of the eye (retinal detachment).\n\nSome individuals have coloboma as part of a syndrome that affects other organs and tissues in the body. These forms of the condition are described as syndromic. When coloboma occurs by itself, it is described as nonsyndromic or isolated.\n\nColobomas involving the eyeball should be distinguished from gaps that occur in the eyelids. While these eyelid gaps are also called colobomas, they arise from abnormalities in different structures during early development.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1046">Feature record</a> | <a href="/medgen?term=%22Congenital%20ocular%20coloboma%22%5BClinical%20Features%5D%20OR%201046%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_4550"><div><strong>Esotropia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>4550</dd><dt><span class="dotprefix"></span>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.">C0014877</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A form of strabismus with one or both eyes turned inward ('crossed') to a relatively severe degree, usually defined as 10 diopters or more.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/4550">Feature record</a> | <a href="/medgen?term=%22Esotropia%22%5BClinical%20Features%5D%20OR%204550%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_43780"><div><strong>Hypermetropia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>43780</dd><dt><span class="dotprefix"></span>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.">C0020490</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">An abnormality of refraction characterized by the ability to see objects in the distance clearly, while objects nearby appear blurry.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/43780">Feature record</a> | <a href="/medgen?term=%22Hypermetropia%22%5BClinical%20Features%5D%20OR%2043780%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_21337"><div><strong>Strabismus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>21337</dd><dt><span class="dotprefix"></span>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.">C0038379</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A misalignment of the eyes so that the visual axes deviate from bifoveal fixation. The classification of strabismus may be based on a number of features including the relative position of the eyes, whether the deviation is latent or manifest, intermittent or constant, concomitant or otherwise and according to the age of onset and the relevance of any associated refractive error.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/21337">Feature record</a> | <a href="/medgen?term=%22Strabismus%22%5BClinical%20Features%5D%20OR%2021337%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_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></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_3130" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Clubfoot</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_42034" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pes planus</a></span></li></ul></li><li><span class="TLline">Abnormality of the digestive system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_41440" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dysphagia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1997" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Imperforate anus</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_1046" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital ocular coloboma</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_4550" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Esotropia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_43780" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypermetropia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_21337" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Strabismus</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_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_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><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_892680" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular atrophy</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_220387" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Attention deficit hyperactivity disorder</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_163547" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autistic behavior</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_167799" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Broad-based gait</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_849" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar ataxia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_120578" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar hypoplasia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_104498" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Corpus callosum, agenesis of</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_105318" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Delayed speech and language development</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_8510" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dysarthria</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107895" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gait disturbance</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_344654" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Happy demeanor</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_138005" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypoplasia of the corpus callosum</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_341246" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypoplasia of the pons</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_107860" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Inability to walk</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_48638" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, severe</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_196692" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Limb ataxia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_21318" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Motor stereotypies</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107874" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Poor coordination</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_303190" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Reduced eye contact</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_88371" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Self-injurious behavior</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_7753" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spasticity</a></span></li></ul></li><li><span class="TLline">Abnormality of the respiratory system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_812812" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Recurrent respiratory infections</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_488785" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macrotia</a></span></li></ul></li><li><span class="TLline">Growth abnormality</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1806755" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Decreased body weight</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_87607" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Short stature</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="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1261175[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=224703">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=224703" ref="ncbi_uid=224703">V</a></span></span><span class="TLline"><a href="/medgen/224703" ref="tree=GTR&amp;ncbi_uid=224703&amp;link_uid=224703" title="View MedGen record for 'Pontoneocerebellar hypoplasia'">Pontoneocerebellar hypoplasia</a></span><ul><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C5442006[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=1780208">C</a></span><span class="chiclet Rcolor round" title="Research test"><a target="_blank" href="/gtr/tests/?term=C5442006[DISCUI]&amp;test_type=Research&amp;redirect=true" ref="ncbi_uid=1780208">R</a></span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1780208" ref="ncbi_uid=1780208">V</a></span></span><span class="TLline"><a href="/medgen/1780208" ref="tree=GTR&amp;ncbi_uid=1780208&amp;link_uid=1780208" title="View MedGen record for 'Congenital pontocerebellar hypoplasia type 1'">Congenital pontocerebellar hypoplasia type 1</a></span><ul><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1843504[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=335969">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=335969" target="_blank" href="/omim/602168">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=335969" ref="ncbi_uid=335969">V</a></span></span><span class="TLline"><a href="/medgen/335969" ref="tree=GTR&amp;ncbi_uid=335969&amp;link_uid=335969" title="View MedGen record for 'Pontocerebellar hypoplasia type 1A'">Pontocerebellar hypoplasia type 1A</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C3553449[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=766363">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=766363" target="_blank" href="/omim/606489">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK236968/" ref="ncbi_uid=766363">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=766363" ref="ncbi_uid=766363">V</a></span></span><span class="TLline"><a href="/medgen/766363" ref="tree=GTR&amp;ncbi_uid=766363&amp;link_uid=766363" title="View MedGen record for 'Pontocerebellar hypoplasia type 1B'">Pontocerebellar hypoplasia type 1B</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C4015160[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=863597">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=863597" target="_blank" href="/omim/606019">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=863597" ref="ncbi_uid=863597">V</a></span></span><span class="TLline"><a href="/medgen/863597" ref="tree=GTR&amp;ncbi_uid=863597&amp;link_uid=863597" title="View MedGen record for 'Pontocerebellar hypoplasia, type 1C'">Pontocerebellar hypoplasia, type 1C</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C4748058[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=1648387">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=1648387" target="_blank" href="/omim/606180">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1648387" ref="ncbi_uid=1648387">V</a></span></span><span class="TLline"><a href="/medgen/1648387" ref="tree=GTR&amp;ncbi_uid=1648387&amp;link_uid=1648387" title="View MedGen record for 'Pontocerebellar hypoplasia, type 1D'">Pontocerebellar hypoplasia, type 1D</a></span></li></ul></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C2932714[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=420956">C</a></span><span class="chiclet Rcolor round" title="Research test"><a target="_blank" href="/gtr/tests/?term=C2932714[DISCUI]&amp;test_type=Research&amp;redirect=true" ref="ncbi_uid=420956">R</a></span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK9673/" ref="ncbi_uid=420956">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=420956" ref="ncbi_uid=420956">V</a></span></span><span class="TLline"><a href="/medgen/420956" ref="tree=GTR&amp;ncbi_uid=420956&amp;link_uid=420956" title="View MedGen record for 'Pontocerebellar hypoplasia type 2'">Pontocerebellar hypoplasia type 2</a></span><ul><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1848526[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=376379">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=376379" target="_blank" href="/omim/277470">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK9673/" ref="ncbi_uid=376379">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=376379" ref="ncbi_uid=376379">V</a></span></span><span class="TLline"><a href="/medgen/376379" ref="tree=GTR&amp;ncbi_uid=376379&amp;link_uid=376379" title="View MedGen record for 'Pontocerebellar hypoplasia type 2A'">Pontocerebellar hypoplasia type 2A</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C2676466[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=393505">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=393505" target="_blank" href="/omim/608753">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK9673/" ref="ncbi_uid=393505">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=393505" ref="ncbi_uid=393505">V</a></span></span><span class="TLline"><a href="/medgen/393505" ref="tree=GTR&amp;ncbi_uid=393505&amp;link_uid=393505" title="View MedGen record for 'Pontocerebellar hypoplasia type 2B'">Pontocerebellar hypoplasia type 2B</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C2676465[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=382856">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=382856" target="_blank" href="/omim/608754">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK9673/" ref="ncbi_uid=382856">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=382856" ref="ncbi_uid=382856">V</a></span></span><span class="TLline"><a href="/medgen/382856" ref="tree=GTR&amp;ncbi_uid=382856&amp;link_uid=382856" title="View MedGen record for 'Pontocerebellar hypoplasia type 2C'">Pontocerebellar hypoplasia type 2C</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C3151140[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=462490">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=462490" target="_blank" href="/omim/613009">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=462490" ref="ncbi_uid=462490">V</a></span></span><span class="TLline"><a href="/medgen/462490" ref="tree=GTR&amp;ncbi_uid=462490&amp;link_uid=462490" title="View MedGen record for 'Pontocerebellar hypoplasia type 2D'">Pontocerebellar hypoplasia type 2D</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C4014488[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=862925">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=862925" target="_blank" href="/omim/615850">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=862925" ref="ncbi_uid=862925">V</a></span></span><span class="TLline"><a href="/medgen/862925" ref="tree=GTR&amp;ncbi_uid=862925&amp;link_uid=862925" title="View MedGen record for 'Pontocerebellar hypoplasia type 2E'">Pontocerebellar hypoplasia type 2E</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C4310757[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=934724">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=934724" target="_blank" href="/omim/608756">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=934724" ref="ncbi_uid=934724">V</a></span></span><span class="TLline"><a href="/medgen/934724" ref="tree=GTR&amp;ncbi_uid=934724&amp;link_uid=934724" title="View MedGen record for 'Pontocerebellar hypoplasia, type 2F'">Pontocerebellar hypoplasia, type 2F</a></span></li></ul></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1842687[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=334225">C</a></span><span class="chiclet Rcolor round" title="Research test"><a target="_blank" href="/gtr/tests/?term=C1842687[DISCUI]&amp;test_type=Research&amp;redirect=true" ref="ncbi_uid=334225">R</a></span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=334225" target="_blank" href="/omim/604918">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=334225" ref="ncbi_uid=334225">V</a></span></span><span class="TLline"><a href="/medgen/334225" ref="tree=GTR&amp;ncbi_uid=334225&amp;link_uid=334225" title="View MedGen record for 'Pontocerebellar hypoplasia type 3'">Pontocerebellar hypoplasia type 3</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1856974[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=384027">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=384027" target="_blank" href="/omim/225753">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK9673/" ref="ncbi_uid=384027">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=384027" ref="ncbi_uid=384027">V</a></span></span><span class="TLline"><a href="/medgen/384027" ref="tree=GTR&amp;ncbi_uid=384027&amp;link_uid=384027" title="View MedGen record for 'Pontocerebellar hypoplasia type 4'">Pontocerebellar hypoplasia type 4</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1857762[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=341845">C</a></span><span class="chiclet Rcolor round" title="Research test"><a target="_blank" href="/gtr/tests/?term=C1857762[DISCUI]&amp;test_type=Research&amp;redirect=true" ref="ncbi_uid=341845">R</a></span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=341845" target="_blank" href="/omim/608755">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK9673/" ref="ncbi_uid=341845">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=341845" ref="ncbi_uid=341845">V</a></span></span><span class="TLline"><a href="/medgen/341845" ref="tree=GTR&amp;ncbi_uid=341845&amp;link_uid=341845" title="View MedGen record for 'Pontocerebellar hypoplasia type 5'">Pontocerebellar hypoplasia type 5</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1969084[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=370596">C</a></span><span class="chiclet Rcolor round" title="Research test"><a target="_blank" href="/gtr/tests/?term=C1969084[DISCUI]&amp;test_type=Research&amp;redirect=true" ref="ncbi_uid=370596">R</a></span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=370596" target="_blank" href="/omim/611523">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=370596" ref="ncbi_uid=370596">V</a></span></span><span class="TLline"><a href="/medgen/370596" ref="tree=GTR&amp;ncbi_uid=370596&amp;link_uid=370596" title="View MedGen record for 'Pontocerebellar hypoplasia type 6'">Pontocerebellar hypoplasia type 6</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C3554209[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=767123">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=767123" target="_blank" href="/omim/164010">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=767123" ref="ncbi_uid=767123">V</a></span></span><span class="TLline"><a href="/medgen/767123" ref="tree=GTR&amp;ncbi_uid=767123&amp;link_uid=767123" title="View MedGen record for 'Pontocerebellar hypoplasia type 8'">Pontocerebellar hypoplasia type 8</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C4014354[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=862791">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=862791" target="_blank" href="/omim/102771">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=862791" ref="ncbi_uid=862791">V</a></span></span><span class="TLline"><a href="/medgen/862791" ref="tree=GTR&amp;ncbi_uid=862791&amp;link_uid=862791" title="View MedGen record for 'Pontocerebellar hypoplasia type 9'">Pontocerebellar hypoplasia type 9</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C5190575[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=1676575">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=1676575" target="_blank" href="/omim/608757">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1676575" ref="ncbi_uid=1676575">V</a></span></span><span class="TLline"><a href="/medgen/1676575" ref="tree=GTR&amp;ncbi_uid=1676575&amp;link_uid=1676575" title="View MedGen record for 'Pontocerebellar hypoplasia type 10'">Pontocerebellar hypoplasia type 10</a></span></li><li class="matched_ds"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C4540164[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=1627627">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=1627627" target="_blank" href="/omim/617687">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1627627" ref="ncbi_uid=1627627">V</a></span></span><span class="TLline">Pontocerebellar hypoplasia, type 11</span></li></ul></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/1826158" ref="tree=MeSH" title="MedGen record for Multiple congenital anomalies/dysmorphic syndrome-intellectual disability">Multiple congenital anomalies/dysmorphic syndrome-intellectual disability</a></span><ul><li><span class="matched_ds">Pontocerebellar hypoplasia, type 11</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/30921410">Targeting ferroptosis: A novel therapeutic strategy for the treatment of mitochondrial disease-related epilepsy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kahn-Kirby AH,
Amagata A,
Maeder CI,
Mei JJ,
Sideris S,
Kosaka Y,
Hinman A,
Malone SA,
Bruegger JJ,
Wang L,
Kim V,
Shrader WD,
Hoff KG,
Latham JC,
Ashley EA,
Wheeler MT,
Bertini E,
Carrozzo R,
Martinelli D,
Dionisi-Vici C,
Chapman KA,
Enns GM,
Gahl W,
Wolfe L,
Saneto RP,
Johnson SC,
Trimmer JK,
Klein MB,
Holst CR</span><br />
<span class="medgenPMjournal">PLoS One</span>
2019;14(3):e0214250.
Epub 2019 Mar 28
doi: 10.1371/journal.pone.0214250.
<span class="bold">PMID: </span><a href="/pubmed/30921410" target="_blank">30921410</a><a href="/pmc/articles/PMC6438538" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25641760">Targeted carrier screening for four recessive disorders: high detection rate within a founder population.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Mathijssen IB,
Henneman L,
van Eeten-Nijman JM,
Lakeman P,
Ottenheim CP,
Redeker EJ,
Ottenhof W,
Meijers-Heijboer H,
van Maarle MC</span><br />
<span class="medgenPMjournal">Eur J Med Genet</span>
2015 Mar;58(3):123-8.
Epub 2015 Jan 30
doi: 10.1016/j.ejmg.2015.01.004.
<span class="bold">PMID: </span><a href="/pubmed/25641760" target="_blank">25641760</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(pontocerebellar%20hypoplasia%2C%20type%2011)%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 (2)</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/36076253">Clinical, radiological, and genetic variation in pontocerebellar hypoplasia disorder and our clinical experience.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Bilge S,
Mert GG,
Hergüner Ö,
Özcanyüz D,
Bozdoğan ST,
Kaya Ö,
Havalı C</span><br />
<span class="medgenPMjournal">Ital J Pediatr</span>
2022 Sep 8;48(1):169.
doi: 10.1186/s13052-022-01349-9.
<span class="bold">PMID: </span><a href="/pubmed/36076253" target="_blank">36076253</a><a href="/pmc/articles/PMC9461104" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/32360255">Pontocerebellar hypoplasia type 11: Does the genetic defect determine timing of cerebellar pathology?</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Laugwitz L,
Buchert R,
Groeschel S,
Riess A,
Grimmel M,
Beck-Wödl S,
Sturm M,
Gohla G,
Döbler-Neumann M,
Krägeloh-Mann I,
Haack TB</span><br />
<span class="medgenPMjournal">Eur J Med Genet</span>
2020 Jul;63(7):103938.
Epub 2020 Apr 28
doi: 10.1016/j.ejmg.2020.103938.
<span class="bold">PMID: </span><a href="/pubmed/32360255" target="_blank">32360255</a></div>
<div class="nl"><a target="_blank" href="/pubmed/27430971">Brain morphometry in Pontocerebellar Hypoplasia type 2.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ekert K,
Groeschel S,
Sánchez-Albisua I,
Frölich S,
Dieckmann A,
Engel C,
Krägeloh-Mann I</span><br />
<span class="medgenPMjournal">Orphanet J Rare Dis</span>
2016 Jul 19;11(1):100.
doi: 10.1186/s13023-016-0481-4.
<span class="bold">PMID: </span><a href="/pubmed/27430971" target="_blank">27430971</a><a href="/pmc/articles/PMC4950429" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24886362">Natural course of pontocerebellar hypoplasia type 2A.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sánchez-Albisua I,
Frölich S,
Barth PG,
Steinlin M,
Krägeloh-Mann I</span><br />
<span class="medgenPMjournal">Orphanet J Rare Dis</span>
2014 May 5;9:70.
doi: 10.1186/1750-1172-9-70.
<span class="bold">PMID: </span><a href="/pubmed/24886362" target="_blank">24886362</a><a href="/pmc/articles/PMC4019562" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23284067">Pontocerebellar hypoplasia type 1: clinical spectrum and relevance of EXOSC3 mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Rudnik-Schöneborn S,
Senderek J,
Jen JC,
Houge G,
Seeman P,
Puchmajerová A,
Graul-Neumann L,
Seidel U,
Korinthenberg R,
Kirschner J,
Seeger J,
Ryan MM,
Muntoni F,
Steinlin M,
Sztriha L,
Colomer J,
Hübner C,
Brockmann K,
Van Maldergem L,
Schiff M,
Holzinger A,
Barth P,
Reardon W,
Yourshaw M,
Nelson SF,
Eggermann T,
Zerres K</span><br />
<span class="medgenPMjournal">Neurology</span>
2013 Jan 29;80(5):438-46.
Epub 2013 Jan 2
doi: 10.1212/WNL.0b013e31827f0f66.
<span class="bold">PMID: </span><a href="/pubmed/23284067" target="_blank">23284067</a><a href="/pmc/articles/PMC3590055" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Pontocerebellar%20hypoplasia%2C%20type%2011%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 (13)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/36076253">Clinical, radiological, and genetic variation in pontocerebellar hypoplasia disorder and our clinical experience.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Bilge S,
Mert GG,
Hergüner Ö,
Özcanyüz D,
Bozdoğan ST,
Kaya Ö,
Havalı C</span><br />
<span class="medgenPMjournal">Ital J Pediatr</span>
2022 Sep 8;48(1):169.
doi: 10.1186/s13052-022-01349-9.
<span class="bold">PMID: </span><a href="/pubmed/36076253" target="_blank">36076253</a><a href="/pmc/articles/PMC9461104" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26888482">Milder progressive cerebellar atrophy caused by biallelic SEPSECS mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Iwama K,
Sasaki M,
Hirabayashi S,
Ohba C,
Iwabuchi E,
Miyatake S,
Nakashima M,
Miyake N,
Ito S,
Saitsu H,
Matsumoto N</span><br />
<span class="medgenPMjournal">J Hum Genet</span>
2016 Jun;61(6):527-31.
Epub 2016 Feb 18
doi: 10.1038/jhg.2016.9.
<span class="bold">PMID: </span><a href="/pubmed/26888482" target="_blank">26888482</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25289895">Neuropathologic features of pontocerebellar hypoplasia type 6.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Joseph JT,
Innes AM,
Smith AC,
Vanstone MR,
Schwartzentruber JA,
Bulman DE,
Majewski J,
Daza RA,
Hevner RF,
Michaud J,
Boycott KM;
FORGE Canada Consortium</span><br />
<span class="medgenPMjournal">J Neuropathol Exp Neurol</span>
2014 Nov;73(11):1009-25.
doi: 10.1097/NEN.0000000000000123.
<span class="bold">PMID: </span><a href="/pubmed/25289895" target="_blank">25289895</a></div>
<div class="nl"><a target="_blank" href="/pubmed/25149867">Novel EXOSC3 mutation causes complicated hereditary spastic paraplegia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Halevy A,
Lerer I,
Cohen R,
Kornreich L,
Shuper A,
Gamliel M,
Zimerman BE,
Korabi I,
Meiner V,
Straussberg R,
Lossos A</span><br />
<span class="medgenPMjournal">J Neurol</span>
2014 Nov;261(11):2165-9.
Epub 2014 Aug 23
doi: 10.1007/s00415-014-7457-x.
<span class="bold">PMID: </span><a href="/pubmed/25149867" target="_blank">25149867</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24886362">Natural course of pontocerebellar hypoplasia type 2A.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sánchez-Albisua I,
Frölich S,
Barth PG,
Steinlin M,
Krägeloh-Mann I</span><br />
<span class="medgenPMjournal">Orphanet J Rare Dis</span>
2014 May 5;9:70.
doi: 10.1186/1750-1172-9-70.
<span class="bold">PMID: </span><a href="/pubmed/24886362" target="_blank">24886362</a><a href="/pmc/articles/PMC4019562" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Pontocerebellar%20hypoplasia%2C%20type%2011%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 (10)</a></div><h3 class="subhead">Therapy</h3>
<div class="nl"><a target="_blank" href="/pubmed/22992533">Epilepsy in inherited metabolic disorders: a pediatric series.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Vitiello G,
De Clemente V,
Della Casa R,
Romano A,
Rosa M,
Pascarella A,
Riccitelli M,
Parenti G,
Del Giudice E</span><br />
<span class="medgenPMjournal">Minerva Pediatr</span>
2012 Oct;64(5):513-20.
<span class="bold">PMID: </span><a href="/pubmed/22992533" target="_blank">22992533</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Pontocerebellar%20hypoplasia%2C%20type%2011%22%20AND%20Therapy%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (1)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/32875707">Severe intellectual disability, absence of language, epilepsy, microcephaly and progressive cerebellar atrophy related to the recurrent de novo variant p.(P139L) of the CAMK2B gene: A case report and brief review.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Rizzi S,
Spagnoli C,
Salerno GG,
Frattini D,
Caraffi SG,
Trimarchi G,
Moratti C,
Pascarella R,
Garavelli L,
Fusco C</span><br />
<span class="medgenPMjournal">Am J Med Genet A</span>
2020 Nov;182(11):2675-2679.
Epub 2020 Sep 1
doi: 10.1002/ajmg.a.61803.
<span class="bold">PMID: </span><a href="/pubmed/32875707" target="_blank">32875707</a></div>
<div class="nl"><a target="_blank" href="/pubmed/32360255">Pontocerebellar hypoplasia type 11: Does the genetic defect determine timing of cerebellar pathology?</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Laugwitz L,
Buchert R,
Groeschel S,
Riess A,
Grimmel M,
Beck-Wödl S,
Sturm M,
Gohla G,
Döbler-Neumann M,
Krägeloh-Mann I,
Haack TB</span><br />
<span class="medgenPMjournal">Eur J Med Genet</span>
2020 Jul;63(7):103938.
Epub 2020 Apr 28
doi: 10.1016/j.ejmg.2020.103938.
<span class="bold">PMID: </span><a href="/pubmed/32360255" target="_blank">32360255</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26083569">Neuropathologic Characterization of Pontocerebellar Hypoplasia Type 6 Associated With Cardiomyopathy and Hydrops Fetalis and Severe Multisystem Respiratory Chain Deficiency due to Novel RARS2 Mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lax NZ,
Alston CL,
Schon K,
Park SM,
Krishnakumar D,
He L,
Falkous G,
Ogilvy-Stuart A,
Lees C,
King RH,
Hargreaves IP,
Brown GK,
McFarland R,
Dean AF,
Taylor RW</span><br />
<span class="medgenPMjournal">J Neuropathol Exp Neurol</span>
2015 Jul;74(7):688-703.
doi: 10.1097/NEN.0000000000000209.
<span class="bold">PMID: </span><a href="/pubmed/26083569" target="_blank">26083569</a><a href="/pmc/articles/PMC4470523" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24886362">Natural course of pontocerebellar hypoplasia type 2A.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sánchez-Albisua I,
Frölich S,
Barth PG,
Steinlin M,
Krägeloh-Mann I</span><br />
<span class="medgenPMjournal">Orphanet J Rare Dis</span>
2014 May 5;9:70.
doi: 10.1186/1750-1172-9-70.
<span class="bold">PMID: </span><a href="/pubmed/24886362" target="_blank">24886362</a><a href="/pmc/articles/PMC4019562" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23284067">Pontocerebellar hypoplasia type 1: clinical spectrum and relevance of EXOSC3 mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Rudnik-Schöneborn S,
Senderek J,
Jen JC,
Houge G,
Seeman P,
Puchmajerová A,
Graul-Neumann L,
Seidel U,
Korinthenberg R,
Kirschner J,
Seeger J,
Ryan MM,
Muntoni F,
Steinlin M,
Sztriha L,
Colomer J,
Hübner C,
Brockmann K,
Van Maldergem L,
Schiff M,
Holzinger A,
Barth P,
Reardon W,
Yourshaw M,
Nelson SF,
Eggermann T,
Zerres K</span><br />
<span class="medgenPMjournal">Neurology</span>
2013 Jan 29;80(5):438-46.
Epub 2013 Jan 2
doi: 10.1212/WNL.0b013e31827f0f66.
<span class="bold">PMID: </span><a href="/pubmed/23284067" target="_blank">23284067</a><a href="/pmc/articles/PMC3590055" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Pontocerebellar%20hypoplasia%2C%20type%2011%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 (7)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/32360255">Pontocerebellar hypoplasia type 11: Does the genetic defect determine timing of cerebellar pathology?</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Laugwitz L,
Buchert R,
Groeschel S,
Riess A,
Grimmel M,
Beck-Wödl S,
Sturm M,
Gohla G,
Döbler-Neumann M,
Krägeloh-Mann I,
Haack TB</span><br />
<span class="medgenPMjournal">Eur J Med Genet</span>
2020 Jul;63(7):103938.
Epub 2020 Apr 28
doi: 10.1016/j.ejmg.2020.103938.
<span class="bold">PMID: </span><a href="/pubmed/32360255" target="_blank">32360255</a></div>
<div class="nl"><a target="_blank" href="/pubmed/27543974">Loss of function of SLC25A46 causes lethal congenital pontocerebellar hypoplasia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Wan J,
Steffen J,
Yourshaw M,
Mamsa H,
Andersen E,
Rudnik-Schöneborn S,
Pope K,
Howell KB,
McLean CA,
Kornberg AJ,
Joseph J,
Lockhart PJ,
Zerres K,
Ryan MM,
Nelson SF,
Koehler CM,
Jen JC</span><br />
<span class="medgenPMjournal">Brain</span>
2016 Nov 1;139(11):2877-2890.
doi: 10.1093/brain/aww212.
<span class="bold">PMID: </span><a href="/pubmed/27543974" target="_blank">27543974</a><a href="/pmc/articles/PMC5840878" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/27430971">Brain morphometry in Pontocerebellar Hypoplasia type 2.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ekert K,
Groeschel S,
Sánchez-Albisua I,
Frölich S,
Dieckmann A,
Engel C,
Krägeloh-Mann I</span><br />
<span class="medgenPMjournal">Orphanet J Rare Dis</span>
2016 Jul 19;11(1):100.
doi: 10.1186/s13023-016-0481-4.
<span class="bold">PMID: </span><a href="/pubmed/27430971" target="_blank">27430971</a><a href="/pmc/articles/PMC4950429" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23284067">Pontocerebellar hypoplasia type 1: clinical spectrum and relevance of EXOSC3 mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Rudnik-Schöneborn S,
Senderek J,
Jen JC,
Houge G,
Seeman P,
Puchmajerová A,
Graul-Neumann L,
Seidel U,
Korinthenberg R,
Kirschner J,
Seeger J,
Ryan MM,
Muntoni F,
Steinlin M,
Sztriha L,
Colomer J,
Hübner C,
Brockmann K,
Van Maldergem L,
Schiff M,
Holzinger A,
Barth P,
Reardon W,
Yourshaw M,
Nelson SF,
Eggermann T,
Zerres K</span><br />
<span class="medgenPMjournal">Neurology</span>
2013 Jan 29;80(5):438-46.
Epub 2013 Jan 2
doi: 10.1212/WNL.0b013e31827f0f66.
<span class="bold">PMID: </span><a href="/pubmed/23284067" target="_blank">23284067</a><a href="/pmc/articles/PMC3590055" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/22452838">Spectrum of pontocerebellar hypoplasia in 13 girls and boys with CASK mutations: confirmation of a recognizable phenotype and first description of a male mosaic patient.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Burglen L,
Chantot-Bastaraud S,
Garel C,
Milh M,
Touraine R,
Zanni G,
Petit F,
Afenjar A,
Goizet C,
Barresi S,
Coussement A,
Ioos C,
Lazaro L,
Joriot S,
Desguerre I,
Lacombe D,
des Portes V,
Bertini E,
Siffroi JP,
de Villemeur TB,
Rodriguez D</span><br />
<span class="medgenPMjournal">Orphanet J Rare Dis</span>
2012 Mar 27;7:18.
doi: 10.1186/1750-1172-7-18.
<span class="bold">PMID: </span><a href="/pubmed/22452838" target="_blank">22452838</a><a href="/pmc/articles/PMC3351739" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Pontocerebellar%20hypoplasia%2C%20type%2011%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 (7)</a></div></div>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C4540164%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (4)</a></li>
<li><a href="/gtr/tests?term=C4540164%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (6)</a></li>
<li><a href="/gtr/tests?term=C4540164%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (1)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C4540164%5bDISCUI%5d" target="_blank">See all (6)</a></total></li>
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<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(pontocerebellar%20hypoplasia%2C%20type%2011)%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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