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- #606170 - GENITOPATELLAR SYNDROME; GTPTS
- OMIM
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<span class="h4">#606170</span>
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<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<a href="/clinicalSynopsis/606170"><strong>Clinical Synopsis</strong></a>
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<a href="#description">Description</a>
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<a href="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#diagnosis">Diagnosis</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#molecularGenetics">Molecular Genetics</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#genotypePhenotypeCorrelations">Genotype/Phenotype Correlations</a>
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<li role="presentation">
<a href="#references"><strong>References</strong></a>
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<li role="presentation">
<a href="#contributors"><strong>Contributors</strong></a>
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<a href="#creationDate"><strong>Creation Date</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=GENITOPATELLAR SYNDROME" class="mim-tip-hint" title="A registry of federally and privately supported clinical trials conducted in the United States and around the world." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Clinical Trials', 'domain': 'clinicaltrials.gov'})">Clinical Trials</a></div>
<div><a href="https://www.orpha.net/consor/cgi-bin/ClinicalLabs_Search_Simple.php?lng=EN&LnkId=11659&Typ=Pat" class="mim-tip-hint" title="A list of European laboratories that offer genetic testing." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">EuroGentest</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/books/NBK114806/" class="mim-tip-hint" title="Expert-authored, peer-reviewed descriptions of inherited disorders including the uses of genetic testing in diagnosis, management, and genetic counseling." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Gene Reviews', 'domain': 'ncbi.nlm.nih.gov'})">Gene Reviews</a></div>
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<div><a href="https://medlineplus.gov/genetics/condition/genitopatellar-syndrome" class="mim-tip-hint" title="Consumer-friendly information about the effects of genetic variation on human health." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MedlinePlus Genetics', 'domain': 'medlineplus.gov'})">MedlinePlus Genetics</a></div>
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<div><a href="https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=85201" class="mim-tip-hint" title="European reference portal for information on rare diseases and orphan drugs." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrphaNet', 'domain': 'orpha.net'})">OrphaNet</a></div>
<div><a href="https://www.possumcore.com/nuxeo/nxdoc/default/a15bbe61-0f4a-41e9-8528-5a3eacf8dc9d/view_documents?source=omim" class="mim-tip-hint" title="A dysmorphology database of multiple malformations; metabolic, teratogenic, chromosomal, and skeletal syndromes; and their images." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'POSSUM', 'domain': 'possum.net.au'})">POSSUM</a></div>
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<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>SNOMEDCT:</strong> 702367005<br />
<strong>ORPHA:</strong> 85201<br />
">ICD+</a>
</div>
<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Phenotype description, molecular basis known">
<span class="text-danger"><strong>#</strong></span>
606170
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
GENITOPATELLAR SYNDROME; GTPTS
</span>
</h3>
</div>
<div>
<br />
</div>
<div>
<a id="alternativeTitles" class="mim-anchor"></a>
<div>
<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
ABSENT PATELLAE, SCROTAL HYPOPLASIA, RENAL ANOMALIES, FACIAL DYSMORPHISM, AND MENTAL RETARDATION
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/315?start=-3&limit=10&highlight=315">
10q22.2
</a>
</span>
</td>
<td>
<span class="mim-font">
Genitopatellar syndrome
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606170"> 606170 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
KAT6B
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605880"> 605880 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group ">
<a href="/clinicalSynopsis/606170" class="btn btn-warning" role="button"> Clinical Synopsis </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-warning dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimClinicalSynopsisFold" onclick="ga('send', 'event', 'Unfurl', 'ClinicalSynopsis', 'omim.org')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
</div>
&nbsp;
<div class="btn-group">
<button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
PheneGene Graphics <span class="caret"></span>
</button>
<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/606170" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/606170" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Radial'})"> Radial </a></li>
</ul>
</div>
<span class="glyphicon glyphicon-question-sign mim-tip-hint" title="OMIM PheneGene graphics depict relationships between phenotypes, groups of related phenotypes (Phenotypic Series), and genes.<br /><a href='/static/omim/pdf/OMIM_Graphics.pdf' target='_blank'>A quick reference overview and guide (PDF)</a>"></span>
<div>
<p />
</div>
<div id="mimClinicalSynopsisFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small" style="margin: 5px">
<div>
<div>
<span class="h5 mim-font">
<strong> INHERITANCE </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Autosomal dominant <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/263681008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">263681008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/771269000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">771269000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0443147&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0443147</a>, <a href="https://bioportal.bioontology.org/search?q=C1867440&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1867440</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> HEAD & NECK </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Head </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Microcephaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1148757008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1148757008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q02" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q02</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/742.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">742.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4551563&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551563</a>, <a href="https://bioportal.bioontology.org/search?q=C0025958&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0025958</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000252</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000252</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=0584d323b99dcd7001cc50e224947aca" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Microcephaly-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=0584d323b99dcd7001cc50e224947aca&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Face </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Coarse facies <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1845847&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1845847</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000280" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000280</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000280" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000280</a>]</span><br /> -
Micrognathia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/32958008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">32958008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M26.04" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M26.04</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/524.04" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">524.04</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0025990&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0025990</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000347" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000347</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000347" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000347</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=9149eccae19753e96defbd69602ab882" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Micrognathia-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=9149eccae19753e96defbd69602ab882&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Ears </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hearing loss <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/103276001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">103276001</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/343087000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">343087000</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/15188001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">15188001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H91.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H91.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/389.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">389.9</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/389" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">389</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0011053&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0011053</a>, <a href="https://bioportal.bioontology.org/search?q=C0018772&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0018772</a>, <a href="https://bioportal.bioontology.org/search?q=C1384666&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1384666</a>, <a href="https://bioportal.bioontology.org/search?q=C3887873&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3887873</a>, <a href="https://bioportal.bioontology.org/search?q=C2029884&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2029884</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000365" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000365</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000365" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000365</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Eyes </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Downslanting palpebral fissures <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/246800008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">246800008</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0423110&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0423110</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000494" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000494</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000494" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000494</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Nose </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Broad nose <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/249321001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">249321001</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0426421&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0426421</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000445" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000445</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000445" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000445</a>]</span><br /> -
Large nose <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/249311009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">249311009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0426415&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0426415</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000448" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000448</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000448" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000448</a>]</span><br /> -
High nasal bridge <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1854113&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1854113</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000426" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000426</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000426" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000426</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=25fd1a02ef10b4687f73378521b408f6" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Nasal_Bridge,Prominent-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=25fd1a02ef10b4687f73378521b408f6&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Teeth </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Delayed tooth eruption <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/5639000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">5639000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0239174&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0239174</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000684" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000684</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000684" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000684</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> CARDIOVASCULAR </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Heart </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Atrial septal defect <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/253366007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">253366007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/405752007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">405752007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/70142008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">70142008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q21.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q21.1</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q21.10" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q21.10</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0018817&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0018817</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001631" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001631</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001631" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001631</a>]</span><br /> -
Ventricular septal defect <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/30288003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">30288003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/253549006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">253549006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/768552007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">768552007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q21.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q21.0</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/745.4" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">745.4</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0018818&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0018818</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001629" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001629</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001629" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001629</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> RESPIRATORY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Larynx </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Laryngomalacia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/38086007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">38086007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0264303&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0264303</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001601" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001601</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001601" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001601</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Lung </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Pulmonary hypoplasia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/80825009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">80825009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0265783&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0265783</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002089" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002089</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002089" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002089</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> ABDOMEN </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Gastrointestinal </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Anteriorly positioned anus <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2676357&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2676357</a>]</span><br /> -
Swallowing difficulties <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/288939007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">288939007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/40739000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">40739000</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/R13.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R13.1</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/R13.10" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R13.10</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/787.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">787.2</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/787.20" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">787.20</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0011168&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0011168</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002015" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002015</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002015" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002015</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> GENITOURINARY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Hypoplastic perineum <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2676355&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2676355</a>]</span><br />
</span>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> External Genitalia (Male) </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hypoplasic scrotum <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2676356&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2676356</a>]</span><br /> -
Micropenis <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/34911001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">34911001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q55.62" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q55.62</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/752.64" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">752.64</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0266435&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0266435</a>, <a href="https://bioportal.bioontology.org/search?q=C4551492&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551492</a>, <a href="https://bioportal.bioontology.org/search?q=C1387005&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1387005</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008736" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008736</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0000054" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000054</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000054" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000054</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> External Genitalia (Female) </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Clitoral hypertrophy <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/80212005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">80212005</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/N90.89" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">N90.89</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/624.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">624.2</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0156394&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0156394</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008665" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008665</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008665" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008665</a>]</span><br /> -
Labia minora hypertrophy <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1849358&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1849358</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008683" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008683</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008683" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008683</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Internal Genitalia (Male) </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Cryptorchidism <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/204878001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">204878001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q53.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q53.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/752.51" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">752.51</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0010417&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0010417</a>, <a href="https://bioportal.bioontology.org/search?q=C5441920&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5441920</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000028" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000028</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000028" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000028</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Kidneys </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Multicystic kidneys <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/737562008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">737562008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q61.4" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q61.4</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3714581&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3714581</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000003</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000003</a>]</span><br /> -
Hydronephrosis <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/43064006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">43064006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/N13.30" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">N13.30</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/591" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">591</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0020295&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0020295</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000126" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000126</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000126" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000126</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKELETAL </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Pelvis </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hip contractures <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/202283002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">202283002</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M24.55" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M24.55</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0409354&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0409354</a>, <a href="https://bioportal.bioontology.org/search?q=C0019553&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0019553</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003273" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003273</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003273" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003273</a>]</span><br /> -
Hip flexion deformities <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M21.25" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M21.25</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1853572&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1853572</a>]</span><br /> -
Hypoplastic ischia <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1859447&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1859447</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003175</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003175</a>]</span><br /> -
Hypoplastic inferior pubic rami <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1853573&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1853573</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008823" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008823</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008823" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008823</a>]</span><br /> -
Congenital hip dislocation <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/52781008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">52781008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/48334007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">48334007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q65.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q65.2</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/754.3" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">754.3</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4551649&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551649</a>, <a href="https://bioportal.bioontology.org/search?q=C0019555&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0019555</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001374" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001374</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001385" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001385</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001374" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001374</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Limbs </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Limb contractures <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969879&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969879</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003121" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003121</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003121" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003121</a>]</span><br /> -
Absent patellae <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/737219008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">737219008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/309244002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">309244002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1868578&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1868578</a>, <a href="https://bioportal.bioontology.org/search?q=C0586734&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0586734</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006443" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006443</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006443" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006443</a>]</span><br /> -
Knee flexion deformities <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/202289003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">202289003</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0409355&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0409355</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006380" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006380</a>]</span><br /> -
Dislocated patellae <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/263029007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">263029007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1135812&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1135812</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002999" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002999</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002999" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002999</a>]</span><br /> -
Radioulnar synostosis (reported in 1 patient) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/33313004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">33313004</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q74.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q74.0</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/755.53" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">755.53</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0158761&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0158761</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002974" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002974</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002974" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002974</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Hands </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Brachydactyly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/43476002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">43476002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0221357&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0221357</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001156" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001156</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001156" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001156</a>]</span><br /> -
Short phalanges <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0877165&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0877165</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0009803" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0009803</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0009803" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0009803</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Feet </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Club feet <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/397932003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">397932003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1156475005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1156475005</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q66.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q66.0</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q66.89" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q66.89</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/754.51" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">754.51</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0009081&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0009081</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001762" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001762</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001762" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001762</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKIN, NAILS, & HAIR </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Skin </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Dimple overlying knee <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1853574&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1853574</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Hair </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Sparse scalp hair <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1857042&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1857042</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002209" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002209</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002209" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002209</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=0794250547c51da4a5a0f6e06193a00b" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Scalp_Hair,Sparse-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=0794250547c51da4a5a0f6e06193a00b&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> NEUROLOGIC </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Central Nervous System </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Agenesis of corpus callosum <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/5102002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">5102002</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q04.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q04.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0175754&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0175754</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001274" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001274</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001274" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001274</a>]</span><br /> -
Psychomotor retardation, severe <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1854919&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1854919</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011344" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011344</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/398991009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">398991009</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1144814003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1144814003</a>]</span><br /> -
Hypotonia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/398151007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">398151007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/398152000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">398152000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0026827&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0026827</a>, <a href="https://bioportal.bioontology.org/search?q=C1858120&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858120</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001290" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001290</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001252</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001252</a>]</span><br /> -
Colpocephaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/253160006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">253160006</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0431384&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0431384</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0030048" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0030048</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0030048" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0030048</a>]</span><br /> -
Periventricular neuronal heterotopia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/816068000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">816068000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C5399973&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5399973</a>, <a href="https://bioportal.bioontology.org/search?q=C1868720&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1868720</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007165" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007165</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0032388" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0032388</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007165" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007165</a>]</span><br />
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<strong> PRENATAL MANIFESTATIONS </strong>
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- Polyhydramnios <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/86203003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">86203003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/O40" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">O40</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/657.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">657.0</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/657" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">657</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0020224&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0020224</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001561" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001561</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001561" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001561</a>]</span><br />
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<strong> MOLECULAR BASIS </strong>
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- Caused by mutation in the K(lysine) acetyltransferase 6B gene (KAT6B, <a href="/entry/605880#0005">605880.0005</a>)<br />
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<p>A number sign (#) is used with this entry because of evidence that genitopatellar syndrome (GTPTS) can be caused by heterozygous mutation in the KAT6B gene (<a href="/entry/605880">605880</a>) on chromosome 10q22.</p><p>The Say-Barber-Biesecker variant of Ohdo syndrome (SBBYS; <a href="/entry/603736">603736</a>), which has many overlapping features with GTPTS, can also be caused by heterozygous mutation in the KAT6B gene.</p>
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<strong>Description</strong>
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<p>Genitopatellar syndrome is a rare disorder consisting of microcephaly, severe psychomotor retardation, and characteristic coarse facial features, including broad nose and small or retracted chin, associated with congenital flexion contractures of the lower extremities, abnormal or missing patellae, and urogenital anomalies (summary by <a href="#11" class="mim-tip-reference" title="Penttinen, M., Koillinen, H., Niinikoski, H., Makitie, O., Hietala, M. &lt;strong&gt;Genitopatellar syndrome in an adolescent female with severe osteoporosis and endocrine abnormalities.&lt;/strong&gt; Am. J. Med. Genet. 149A: 451-455, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19208376/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;19208376&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.32644&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="19208376">Penttinen et al., 2009</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19208376" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>Clinical Features</strong>
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<p><a href="#6" class="mim-tip-reference" title="Cormier-Daire, V., Chauvet, M.-L., Lyonnet, S., Briard, M.-L., Munnich, A., Le Merrer, M. &lt;strong&gt;Genitopatellar syndrome: a new condition comprising absent patellae, scrotal hypoplasia, renal anomalies, facial dysmorphism, and mental retardation.&lt;/strong&gt; J. Med. Genet. 37: 520-524, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10882755/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10882755&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.37.7.520&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10882755">Cormier-Daire et al. (2000)</a> reported the association of absent patellae, genital and renal anomalies, dysmorphic features, and mental retardation in 6 boys and 1 girl belonging to 5 unrelated families. Flexion deformities of the knees and hips with clubfeet and absent patellae were consistently observed, and scrotal hypoplasia and cryptorchidism were present in all boys. Dysmorphic features included coarse facies, prominent nose with a high nasal bridge, and microcephaly. Multicystic kidneys or hydronephrosis were present in all cases. Agenesis of the corpus callosum was present in 4 cases. Micrognathia was found in 4 cases and pulmonary hypoplasia in 3. Other radiographic features included bilateral hypoplasia of the ischia and brachydactyly. Two of the 7 cases were detected by prenatal ultrasound and resulted in termination of pregnancy. Three of the remaining 5 children died within the first 3 years of life; 2 died within the first 6 months. The remaining children were alive at 10 and 12 years, respectively, but neither had achieved walking or had any speech. Cytogenetic analysis was normal in all cases. <a href="#6" class="mim-tip-reference" title="Cormier-Daire, V., Chauvet, M.-L., Lyonnet, S., Briard, M.-L., Munnich, A., Le Merrer, M. &lt;strong&gt;Genitopatellar syndrome: a new condition comprising absent patellae, scrotal hypoplasia, renal anomalies, facial dysmorphism, and mental retardation.&lt;/strong&gt; J. Med. Genet. 37: 520-524, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10882755/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10882755&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.37.7.520&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10882755">Cormier-Daire et al. (2000)</a> noted the report of a similar association by <a href="#7" class="mim-tip-reference" title="Goldblatt, J., Wallis, C., Zieff, S. &lt;strong&gt;A syndrome of hypoplastic patellae, mental retardation, skeletal and genitourinary anomalies with normal chromosomes.&lt;/strong&gt; Dysmorph. Clin. Genet. 2: 91-93, 1988."None>Goldblatt et al. (1988)</a> of a 4-year-old boy who presented with hypoplastic patellae, mental retardation, scrotal hypospadias, skeletal deformities, fused renal ectopia, flattened nasal bridge, and short stature. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10882755" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#6" class="mim-tip-reference" title="Cormier-Daire, V., Chauvet, M.-L., Lyonnet, S., Briard, M.-L., Munnich, A., Le Merrer, M. &lt;strong&gt;Genitopatellar syndrome: a new condition comprising absent patellae, scrotal hypoplasia, renal anomalies, facial dysmorphism, and mental retardation.&lt;/strong&gt; J. Med. Genet. 37: 520-524, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10882755/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10882755&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.37.7.520&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10882755">Cormier-Daire et al. (2000)</a> reported the first female patient with genitopatellar syndrome, who had clitoral hypertrophy and prominent labia minora. <a href="#8" class="mim-tip-reference" title="Lammer, E. J., Abrams, L. &lt;strong&gt;Genitopatellar syndrome: delineating the anomalies of female genitalia.&lt;/strong&gt; Am. J. Med. Genet. 111: 316-318, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12210330/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12210330&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.10582&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12210330">Lammer and Abrams (2002)</a> reported the second female patient with the syndrome; she had a small clitoris, and underdeveloped labia minora with anteriorly displaced anus. The patient also had severe mental retardation and microcephaly with absence of the corpus callosum, absent/hypoplastic patellae, and hydronephrosis. In a male patient reported by <a href="#12" class="mim-tip-reference" title="Reardon, W. &lt;strong&gt;Genitopatellar syndrome: a recognizable phenotype.&lt;/strong&gt; Am. J. Med. Genet. 111: 313-315, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12210329/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12210329&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.10590&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12210329">Reardon (2002)</a>, arthrogryposis of the hips and knees, talipes calcaneovalgus, and absent scrotum were noted at birth. The facies showed prominent nasal bridge and broad nose. <a href="#8" class="mim-tip-reference" title="Lammer, E. J., Abrams, L. &lt;strong&gt;Genitopatellar syndrome: delineating the anomalies of female genitalia.&lt;/strong&gt; Am. J. Med. Genet. 111: 316-318, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12210330/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12210330&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.10582&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12210330">Lammer and Abrams (2002)</a> commented that positioning of the legs with flexion contractures at the hips and knees, with the feet hyperflexed and varus, seemed to be characteristic for the syndrome. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=10882755+12210330+12210329" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#2" class="mim-tip-reference" title="Armstrong, L., Clarke, J. T. R. &lt;strong&gt;Report of a new case of &#x27;genitopatellar&#x27; syndrome which challenges the importance of absent patellae as a defining feature. (Letter)&lt;/strong&gt; J. Med. Genet. 39: 933-934, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12471209/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12471209&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.39.12.933&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12471209">Armstrong and Clarke (2002)</a> described a 3-month-old male patient with genitopatellar syndrome, born to nonconsanguineous parents. He had an abnormal neurologic examination, microcephaly, agenesis of the corpus callosum, and neuronal heterotopia. He had dysmorphic features, congenital heart disease, 11 thoracic ribs, cryptorchidism, scrotal hypoplasia, ureterohydronephrosis, and a multicystic kidney. His legs were relatively short, with flexion contractures of the knees and bilateral clubfeet. The extensor surfaces of the knees were dimpled and the patellae could not be palpated, but dislocated patellae were seen on ultrasound. <a href="#2" class="mim-tip-reference" title="Armstrong, L., Clarke, J. T. R. &lt;strong&gt;Report of a new case of &#x27;genitopatellar&#x27; syndrome which challenges the importance of absent patellae as a defining feature. (Letter)&lt;/strong&gt; J. Med. Genet. 39: 933-934, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12471209/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12471209&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.39.12.933&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12471209">Armstrong and Clarke (2002)</a> suggested that this patient challenged the importance of absent patellae as a defining feature. They noted the observation of <a href="#7" class="mim-tip-reference" title="Goldblatt, J., Wallis, C., Zieff, S. &lt;strong&gt;A syndrome of hypoplastic patellae, mental retardation, skeletal and genitourinary anomalies with normal chromosomes.&lt;/strong&gt; Dysmorph. Clin. Genet. 2: 91-93, 1988."None>Goldblatt et al. (1988)</a> that absent patellae had been associated with multiple joint contracture syndromes, suggesting that maldevelopment of the patellae may be secondary to intrauterine knee contractures. Thus flexion deformities may be the primary knee problem in genitopatellar syndrome, not absence of the patellae. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12471209" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#9" class="mim-tip-reference" title="Lifchez, C. A., Rhead, W. J., Leuthner, S. R., Lubinsky, M. S. &lt;strong&gt;Genitopatellar syndrome: expanding the phenotype.&lt;/strong&gt; Am. J. Med. Genet. 122A: 80-83, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12949978/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12949978&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.20268&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12949978">Lifchez et al. (2003)</a> described another patient who, in addition to previously described features of genitopatellar syndrome, had a congenital heart defect, anal anomalies, and features of an ectodermal dysplasia. Cardiac defect and anal anomaly had been observed previously by <a href="#8" class="mim-tip-reference" title="Lammer, E. J., Abrams, L. &lt;strong&gt;Genitopatellar syndrome: delineating the anomalies of female genitalia.&lt;/strong&gt; Am. J. Med. Genet. 111: 316-318, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12210330/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12210330&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.10582&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12210330">Lammer and Abrams (2002)</a>. Furthermore, sparse scalp hair was present in both cases. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=12949978+12210330" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#1" class="mim-tip-reference" title="Abdul-Rahman, O. A., La, T. H., Kwan, A., Schlaubitz, S., Barsh, G. S., Enns, G. M., Hudgins, L. &lt;strong&gt;Genitopatellar syndrome: expanding the phenotype and excluding mutations in LMX1B and TBX4.&lt;/strong&gt; Am. J. Med. Genet. 140A: 1567-1572, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16761293/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;16761293&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31258&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="16761293">Abdul-Rahman et al. (2006)</a> reported 2 unrelated patients with a clinical phenotype consistent with genitopatellar syndrome. In addition, both patients showed mild bilateral hearing loss, and 1 had radioulnar synostosis. Mutation screening excluded mutations in the LMX1B (<a href="/entry/602575">602575</a>) and TBX4 (<a href="/entry/601719">601719</a>) genes. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16761293" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#11" class="mim-tip-reference" title="Penttinen, M., Koillinen, H., Niinikoski, H., Makitie, O., Hietala, M. &lt;strong&gt;Genitopatellar syndrome in an adolescent female with severe osteoporosis and endocrine abnormalities.&lt;/strong&gt; Am. J. Med. Genet. 149A: 451-455, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19208376/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;19208376&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.32644&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="19208376">Penttinen et al. (2009)</a> reported a 17-year-old Finnish girl with a phenotype consistent with genitopatellar syndrome who also had symptomatic osteoporosis with severe kyphoscoliosis and anterior wedging of osteopenic vertebrae, abnormal bone structure with undertubulation of long bones, primary hypothyroidism, and delayed puberty. The authors stated that this was the oldest reported patient with genitopatellar syndrome, and suggested that her severe osteoporosis and endocrine abnormalities were manifestations of the syndrome. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19208376" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#4" class="mim-tip-reference" title="Brugha, R., Kinali, M., Aminu, K., Bridges, N., Holder, S. E. &lt;strong&gt;Genitopatellar syndrome: a further case.&lt;/strong&gt; Clin. Dysmorph. 20: 163-165, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21412151/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;21412151&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/MCD.0b013e328345a1dd&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21412151">Brugha et al. (2011)</a> reported a 16-month-old girl with severe genitopatellar syndrome, the fourth daughter of consanguineous parents, who had 3 healthy older sisters. Examination at 16 months of age showed microcephaly and developmental delay: she was unable to sit unsupported and had marked head lag; she had very little visual attention but normal hearing. She had constant tongue thrusting, poor swallowing, and required frequent suctioning of the upper airways; she had a primitive palmar grasp and generalized hypotonia. At 6 weeks of age she had developed upper airway edema secondary to severe gastroesophageal reflux and had undergone tracheostomy; she later underwent tracheal reconstruction after resection of a subglottic cartilaginous ridge, which was believed to be the primary pathology contributing to her being tracheostomy-dependent. Her face was long, with bitemporal narrowing, slightly upslanting palpebral fissures, broad nose with short columella, full cheeks, and downturned corners of the mouth. MRI of the brain at 2 weeks of age showed absent corpus callosum with ventriculomegaly. She had multiple urinary tract infections and bilateral hydronephrosis; she had clitoromegaly at birth but by 6 months of age the appearance was of hypoplastic labia majora. Echocardiography initially showed an atrial septal defect, ventricular septal defect (VSD), and patent ductus arteriosus (PDA); the VSD and PDA subsequently resolved. She had flexion deformity of the right knee with no palpable patella; knee ultrasound showed normal left knee, but no extensor tendon or patella on the right side. Radiographs of the upper limbs also showed bilateral radioulnar synostosis, and <a href="#4" class="mim-tip-reference" title="Brugha, R., Kinali, M., Aminu, K., Bridges, N., Holder, S. E. &lt;strong&gt;Genitopatellar syndrome: a further case.&lt;/strong&gt; Clin. Dysmorph. 20: 163-165, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21412151/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;21412151&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/MCD.0b013e328345a1dd&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21412151">Brugha et al. (2011)</a> noted that this feature had been reported in 2 earlier cases (<a href="#1" class="mim-tip-reference" title="Abdul-Rahman, O. A., La, T. H., Kwan, A., Schlaubitz, S., Barsh, G. S., Enns, G. M., Hudgins, L. &lt;strong&gt;Genitopatellar syndrome: expanding the phenotype and excluding mutations in LMX1B and TBX4.&lt;/strong&gt; Am. J. Med. Genet. 140A: 1567-1572, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16761293/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;16761293&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31258&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="16761293">Abdul-Rahman et al., 2006</a>; <a href="#3" class="mim-tip-reference" title="Bergmann, C., Spranger, S., Javaher, P., Ptok, M. &lt;strong&gt;Genitopatellar syndrome, sensorineural hearing loss, and cleft palate.&lt;/strong&gt; Oral Maxillofac. Surg. 15: 103-106, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20182757/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;20182757&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/s10006-009-0202-4&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="20182757">Bergmann et al., 2011</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=16761293+21412151+20182757" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="diagnosis" class="mim-anchor"></a>
<h4 href="#mimDiagnosisFold" id="mimDiagnosisToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Diagnosis</strong>
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<div id="mimDiagnosisFold" class="collapse in mimTextToggleFold">
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<p><strong><em>Differential Diagnosis</em></strong></p><p>
<a href="#5" class="mim-tip-reference" title="Campeau, P. M., Kim, J. C., Lu, J. T., Schwartzentruber, J. A., Abdul-Rahman, O. A., Schlaubitz, S., Murdock, D. M., Jiang, M.-M., Lammer, E. J., Enns, G. M., Rhead, W. J., Rowland, J., and 9 others. &lt;strong&gt;Mutations in KAT6B, encoding a histone acetyltransferase, cause genitopatellar syndrome.&lt;/strong&gt; Am. J. Hum. Genet. 90: 282-289, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22265014/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22265014&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22265014[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.ajhg.2011.11.023&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22265014">Campeau et al. (2012)</a> noted that mutations in the KAT6B gene can also cause SBBYSS, a disorder with features overlapping those of genitopatellar syndrome, but with clinical differences: structural brain defects, skeletal defects, anogenital anomalies, and renal defects are more severe or frequent in genitopatellar syndrome, whereas ocular, dental, palatal, and thyroid defects are more severe or frequent in SBBYSS. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22265014" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#10" class="mim-tip-reference" title="Lonardo, F., Lonardo, M. S., Acquaviva, F., Della Monica, M., Scarano, F., Scarano, G. &lt;strong&gt;Say-Barber-Biesecker-Young-Simpson syndrome and genitopatellar syndrome: lumping or splitting?&lt;/strong&gt; Clin. Genet. 95: 253-261, 2019.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/28857140/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;28857140&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/cge.13127&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="28857140">Lonardo et al. (2019)</a> discussed the issue of whether SBBYSS and GTPTS, both caused by pathogenic heterozygous mutation in the KAT6B gene, should be considered the same or distinct conditions. They noted that whereas both phenotypes have several features in common, including global developmental delay/impaired intellectual development, hypotonia, genital abnormalities, patellar hypoplasia/agenesis, congenital heart defects, dental abnormalities, hearing loss, and thyroid anomalies, there are clinical features that could help to differentiate the disorders, the most notable being the facial features seen in patients with SBBYSS (i.e., mask-like facies, blepharophimosis, and ptosis). They did note, however, that the overlapping features may make it difficult to distinguish between the 2 disorders. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=28857140" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="inheritance" class="mim-anchor"></a>
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<strong>Inheritance</strong>
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<p><a href="#6" class="mim-tip-reference" title="Cormier-Daire, V., Chauvet, M.-L., Lyonnet, S., Briard, M.-L., Munnich, A., Le Merrer, M. &lt;strong&gt;Genitopatellar syndrome: a new condition comprising absent patellae, scrotal hypoplasia, renal anomalies, facial dysmorphism, and mental retardation.&lt;/strong&gt; J. Med. Genet. 37: 520-524, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10882755/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10882755&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.37.7.520&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10882755">Cormier-Daire et al. (2000)</a> proposed recessive inheritance for this disorder. However, the finding of heterozygous mutations by <a href="#5" class="mim-tip-reference" title="Campeau, P. M., Kim, J. C., Lu, J. T., Schwartzentruber, J. A., Abdul-Rahman, O. A., Schlaubitz, S., Murdock, D. M., Jiang, M.-M., Lammer, E. J., Enns, G. M., Rhead, W. J., Rowland, J., and 9 others. &lt;strong&gt;Mutations in KAT6B, encoding a histone acetyltransferase, cause genitopatellar syndrome.&lt;/strong&gt; Am. J. Hum. Genet. 90: 282-289, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22265014/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22265014&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22265014[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.ajhg.2011.11.023&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22265014">Campeau et al. (2012)</a> and <a href="#13" class="mim-tip-reference" title="Simpson, M. A., Deshpande, C., Dafou, D., Vissers, L. E. L. M., Woollard, W. J., Holder, S. E., Gillessen-Kaesbach, G., Derks, R., White, S. M., Cohen-Snuijf, R., Kant, S. G., Hoefsloot, L. H., Reardon, W., Brunner, H. G., Bongers, E. M. H. F., Trembath, R. C. &lt;strong&gt;De novo mutations of the gene encoding the histone acetyltransferase KAT6B cause genitopatellar syndrome.&lt;/strong&gt; Am. J. Hum. Genet. 90: 290-294, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22265017/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22265017&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22265017[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.ajhg.2011.11.024&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22265017">Simpson et al. (2012)</a> demonstrated autosomal dominant inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=10882755+22265014+22265017" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="molecularGenetics" class="mim-anchor"></a>
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<strong>Molecular Genetics</strong>
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<p><a href="#5" class="mim-tip-reference" title="Campeau, P. M., Kim, J. C., Lu, J. T., Schwartzentruber, J. A., Abdul-Rahman, O. A., Schlaubitz, S., Murdock, D. M., Jiang, M.-M., Lammer, E. J., Enns, G. M., Rhead, W. J., Rowland, J., and 9 others. &lt;strong&gt;Mutations in KAT6B, encoding a histone acetyltransferase, cause genitopatellar syndrome.&lt;/strong&gt; Am. J. Hum. Genet. 90: 282-289, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22265014/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22265014&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22265014[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.ajhg.2011.11.023&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22265014">Campeau et al. (2012)</a> performed whole-exome sequencing in 3 patients with genitopatellar syndrome, including 1 patient ('patient 2') previously reported by <a href="#1" class="mim-tip-reference" title="Abdul-Rahman, O. A., La, T. H., Kwan, A., Schlaubitz, S., Barsh, G. S., Enns, G. M., Hudgins, L. &lt;strong&gt;Genitopatellar syndrome: expanding the phenotype and excluding mutations in LMX1B and TBX4.&lt;/strong&gt; Am. J. Med. Genet. 140A: 1567-1572, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16761293/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;16761293&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31258&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="16761293">Abdul-Rahman et al. (2006)</a> and 1 patient previously reported by <a href="#9" class="mim-tip-reference" title="Lifchez, C. A., Rhead, W. J., Leuthner, S. R., Lubinsky, M. S. &lt;strong&gt;Genitopatellar syndrome: expanding the phenotype.&lt;/strong&gt; Am. J. Med. Genet. 122A: 80-83, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12949978/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12949978&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.20268&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12949978">Lifchez et al. (2003)</a>, and identified heterozygosity for 3 different frameshift mutations in the KAT6B gene (<a href="/entry/605880#0005">605880.0005</a>-<a href="/entry/605880#0007">605880.0007</a>). After confirmation of the variants by Sanger sequencing, the KAT6B gene was sequenced in 3 additional patients with genitopatellar syndrome, including 'patient 1' of <a href="#1" class="mim-tip-reference" title="Abdul-Rahman, O. A., La, T. H., Kwan, A., Schlaubitz, S., Barsh, G. S., Enns, G. M., Hudgins, L. &lt;strong&gt;Genitopatellar syndrome: expanding the phenotype and excluding mutations in LMX1B and TBX4.&lt;/strong&gt; Am. J. Med. Genet. 140A: 1567-1572, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16761293/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;16761293&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31258&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="16761293">Abdul-Rahman et al. (2006)</a> and a patient previously reported by <a href="#8" class="mim-tip-reference" title="Lammer, E. J., Abrams, L. &lt;strong&gt;Genitopatellar syndrome: delineating the anomalies of female genitalia.&lt;/strong&gt; Am. J. Med. Genet. 111: 316-318, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12210330/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12210330&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.10582&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12210330">Lammer and Abrams (2002)</a>, with identification of heterozygous mutations in all 3 (<a href="/entry/605880#0006">605880.0006</a> and <a href="/entry/605880#0008">605880.0008</a>-<a href="/entry/605880#0009">605880.0009</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=12210330+12949978+16761293+22265014" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#13" class="mim-tip-reference" title="Simpson, M. A., Deshpande, C., Dafou, D., Vissers, L. E. L. M., Woollard, W. J., Holder, S. E., Gillessen-Kaesbach, G., Derks, R., White, S. M., Cohen-Snuijf, R., Kant, S. G., Hoefsloot, L. H., Reardon, W., Brunner, H. G., Bongers, E. M. H. F., Trembath, R. C. &lt;strong&gt;De novo mutations of the gene encoding the histone acetyltransferase KAT6B cause genitopatellar syndrome.&lt;/strong&gt; Am. J. Hum. Genet. 90: 290-294, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22265017/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22265017&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22265017[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.ajhg.2011.11.024&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22265017">Simpson et al. (2012)</a> performed whole-exome sequencing in 6 unrelated patients with genitopatellar syndrome, including 1 patient originally reported by <a href="#12" class="mim-tip-reference" title="Reardon, W. &lt;strong&gt;Genitopatellar syndrome: a recognizable phenotype.&lt;/strong&gt; Am. J. Med. Genet. 111: 313-315, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12210329/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12210329&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.10590&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12210329">Reardon (2002)</a> and 1 patient reported by <a href="#4" class="mim-tip-reference" title="Brugha, R., Kinali, M., Aminu, K., Bridges, N., Holder, S. E. &lt;strong&gt;Genitopatellar syndrome: a further case.&lt;/strong&gt; Clin. Dysmorph. 20: 163-165, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21412151/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;21412151&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/MCD.0b013e328345a1dd&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21412151">Brugha et al. (2011)</a>, and identified 4 different truncating mutations in the KAT6B gene in 5 of them (see, e.g., <a href="/entry/605880#0006">605880.0006</a> and <a href="/entry/605880#0010">605880.0010</a>). The patient of <a href="#4" class="mim-tip-reference" title="Brugha, R., Kinali, M., Aminu, K., Bridges, N., Holder, S. E. &lt;strong&gt;Genitopatellar syndrome: a further case.&lt;/strong&gt; Clin. Dysmorph. 20: 163-165, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21412151/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;21412151&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/MCD.0b013e328345a1dd&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21412151">Brugha et al. (2011)</a> did not show variation in KAT6B by exome or Sanger sequencing, and high-resolution CGH microarray analysis did not reveal any CNVs affecting KAT6B or any other genomic abnormalities that might explain the phenotype, suggesting that the case might represent a phenocopy or genetic heterogeneity of genitopatellar syndrome. <a href="#13" class="mim-tip-reference" title="Simpson, M. A., Deshpande, C., Dafou, D., Vissers, L. E. L. M., Woollard, W. J., Holder, S. E., Gillessen-Kaesbach, G., Derks, R., White, S. M., Cohen-Snuijf, R., Kant, S. G., Hoefsloot, L. H., Reardon, W., Brunner, H. G., Bongers, E. M. H. F., Trembath, R. C. &lt;strong&gt;De novo mutations of the gene encoding the histone acetyltransferase KAT6B cause genitopatellar syndrome.&lt;/strong&gt; Am. J. Hum. Genet. 90: 290-294, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22265017/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22265017&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22265017[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.ajhg.2011.11.024&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22265017">Simpson et al. (2012)</a> also stated that the form of Ohdo syndrome (SBBYS) in which mutations in KAT6B had been found is phenotypically distinct from genitopatellar syndrome. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=21412151+12210329+22265017" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="genotypePhenotypeCorrelations" class="mim-anchor"></a>
<h4 href="#mimGenotypePhenotypeCorrelationsFold" id="mimGenotypePhenotypeCorrelationsToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Genotype/Phenotype Correlations</strong>
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<p><a href="#14" class="mim-tip-reference" title="Szakszon, K., Salpietro, C., Kakar, N., Knegt, A. C., Olah, E., Dallapiccola, B., Borck, G. &lt;strong&gt;De novo mutations of the gene encoding the histone acetyltransferase KAT6B in two patients with Say-Barber/Biesecker/Young-Simpson syndrome.&lt;/strong&gt; Am. J. Med. Genet. 161A: 884-888, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23436491/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;23436491&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.35848&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="23436491">Szakszon et al. (2013)</a> noted that truncating mutations of KAT6B exon 18 between positions c.3018 and c.3892 had been shown to cause GTPTS, whereas truncating mutations distal to position c.4069 in the same exon cause SBBYSS (with one exception, a c.4360_4368delins mutation in a patient with GTPTS; see <a href="/entry/605880#0005">605880.0005</a>). They stated that their finding of truncating mutations of KAT6B exon 18 at positions c.5064_5071 (<a href="/entry/605880#0011">605880.0011</a>) and c.5389 (<a href="/entry/605880#0012">605880.0012</a>) in patients with SBBYSS confirmed this genotype-phenotype correlation. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23436491" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#10" class="mim-tip-reference" title="Lonardo, F., Lonardo, M. S., Acquaviva, F., Della Monica, M., Scarano, F., Scarano, G. &lt;strong&gt;Say-Barber-Biesecker-Young-Simpson syndrome and genitopatellar syndrome: lumping or splitting?&lt;/strong&gt; Clin. Genet. 95: 253-261, 2019.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/28857140/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;28857140&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/cge.13127&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="28857140">Lonardo et al. (2019)</a> reviewed the issue of whether SBBYSS and GTPTS should be considered distinct disorders or variations of the same disorder, given that they are both caused by pathogenic variants in the KAT6B gene. The authors noted that patients with mutations that occur more proximally, which are subject to nonsense-mediated decay (NMD), are more likely to present with a milder SBBYSS phenotype caused by haploinsufficiency. Variants not subject to NMD that affect critical binding sites of KAT6B are more likely to cause a more severe GTPTS phenotype. Variants that occur more distally and escape NMD but do not interfere with critical KAT6B binding sites are more likely to cause the SBBYSS phenotype rather than GTPTS. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=28857140" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>REFERENCES</strong>
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<a id="1" class="mim-anchor"></a>
<a id="Abdul-Rahman2006" class="mim-anchor"></a>
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<p class="mim-text-font">
Abdul-Rahman, O. A., La, T. H., Kwan, A., Schlaubitz, S., Barsh, G. S., Enns, G. M., Hudgins, L.
<strong>Genitopatellar syndrome: expanding the phenotype and excluding mutations in LMX1B and TBX4.</strong>
Am. J. Med. Genet. 140A: 1567-1572, 2006.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/16761293/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">16761293</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16761293" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.a.31258" target="_blank">Full Text</a>]
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<a id="Armstrong2002" class="mim-anchor"></a>
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<p class="mim-text-font">
Armstrong, L., Clarke, J. T. R.
<strong>Report of a new case of 'genitopatellar' syndrome which challenges the importance of absent patellae as a defining feature. (Letter)</strong>
J. Med. Genet. 39: 933-934, 2002.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12471209/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12471209</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12471209" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1136/jmg.39.12.933" target="_blank">Full Text</a>]
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<a id="Bergmann2011" class="mim-anchor"></a>
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Bergmann, C., Spranger, S., Javaher, P., Ptok, M.
<strong>Genitopatellar syndrome, sensorineural hearing loss, and cleft palate.</strong>
Oral Maxillofac. Surg. 15: 103-106, 2011.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/20182757/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">20182757</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20182757" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1007/s10006-009-0202-4" target="_blank">Full Text</a>]
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<a id="4" class="mim-anchor"></a>
<a id="Brugha2011" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Brugha, R., Kinali, M., Aminu, K., Bridges, N., Holder, S. E.
<strong>Genitopatellar syndrome: a further case.</strong>
Clin. Dysmorph. 20: 163-165, 2011.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/21412151/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">21412151</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=21412151" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1097/MCD.0b013e328345a1dd" target="_blank">Full Text</a>]
</p>
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<a id="5" class="mim-anchor"></a>
<a id="Campeau2012" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Campeau, P. M., Kim, J. C., Lu, J. T., Schwartzentruber, J. A., Abdul-Rahman, O. A., Schlaubitz, S., Murdock, D. M., Jiang, M.-M., Lammer, E. J., Enns, G. M., Rhead, W. J., Rowland, J., and 9 others.
<strong>Mutations in KAT6B, encoding a histone acetyltransferase, cause genitopatellar syndrome.</strong>
Am. J. Hum. Genet. 90: 282-289, 2012.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/22265014/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">22265014</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=22265014[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22265014" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/j.ajhg.2011.11.023" target="_blank">Full Text</a>]
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<a id="Cormier-Daire2000" class="mim-anchor"></a>
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Cormier-Daire, V., Chauvet, M.-L., Lyonnet, S., Briard, M.-L., Munnich, A., Le Merrer, M.
<strong>Genitopatellar syndrome: a new condition comprising absent patellae, scrotal hypoplasia, renal anomalies, facial dysmorphism, and mental retardation.</strong>
J. Med. Genet. 37: 520-524, 2000.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10882755/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10882755</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10882755" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1136/jmg.37.7.520" target="_blank">Full Text</a>]
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<a id="Goldblatt1988" class="mim-anchor"></a>
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Goldblatt, J., Wallis, C., Zieff, S.
<strong>A syndrome of hypoplastic patellae, mental retardation, skeletal and genitourinary anomalies with normal chromosomes.</strong>
Dysmorph. Clin. Genet. 2: 91-93, 1988.
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<a id="Lammer2002" class="mim-anchor"></a>
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Lammer, E. J., Abrams, L.
<strong>Genitopatellar syndrome: delineating the anomalies of female genitalia.</strong>
Am. J. Med. Genet. 111: 316-318, 2002.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12210330/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12210330</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12210330" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.10582" target="_blank">Full Text</a>]
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<a id="9" class="mim-anchor"></a>
<a id="Lifchez2003" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Lifchez, C. A., Rhead, W. J., Leuthner, S. R., Lubinsky, M. S.
<strong>Genitopatellar syndrome: expanding the phenotype.</strong>
Am. J. Med. Genet. 122A: 80-83, 2003.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12949978/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12949978</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12949978" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.a.20268" target="_blank">Full Text</a>]
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<a id="10" class="mim-anchor"></a>
<a id="Lonardo2019" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Lonardo, F., Lonardo, M. S., Acquaviva, F., Della Monica, M., Scarano, F., Scarano, G.
<strong>Say-Barber-Biesecker-Young-Simpson syndrome and genitopatellar syndrome: lumping or splitting?</strong>
Clin. Genet. 95: 253-261, 2019.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/28857140/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">28857140</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=28857140" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1111/cge.13127" target="_blank">Full Text</a>]
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<a id="11" class="mim-anchor"></a>
<a id="Penttinen2009" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Penttinen, M., Koillinen, H., Niinikoski, H., Makitie, O., Hietala, M.
<strong>Genitopatellar syndrome in an adolescent female with severe osteoporosis and endocrine abnormalities.</strong>
Am. J. Med. Genet. 149A: 451-455, 2009.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/19208376/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">19208376</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19208376" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.a.32644" target="_blank">Full Text</a>]
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<a id="12" class="mim-anchor"></a>
<a id="Reardon2002" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Reardon, W.
<strong>Genitopatellar syndrome: a recognizable phenotype.</strong>
Am. J. Med. Genet. 111: 313-315, 2002.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12210329/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12210329</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12210329" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.10590" target="_blank">Full Text</a>]
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<a id="13" class="mim-anchor"></a>
<a id="Simpson2012" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Simpson, M. A., Deshpande, C., Dafou, D., Vissers, L. E. L. M., Woollard, W. J., Holder, S. E., Gillessen-Kaesbach, G., Derks, R., White, S. M., Cohen-Snuijf, R., Kant, S. G., Hoefsloot, L. H., Reardon, W., Brunner, H. G., Bongers, E. M. H. F., Trembath, R. C.
<strong>De novo mutations of the gene encoding the histone acetyltransferase KAT6B cause genitopatellar syndrome.</strong>
Am. J. Hum. Genet. 90: 290-294, 2012.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/22265017/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">22265017</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=22265017[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22265017" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/j.ajhg.2011.11.024" target="_blank">Full Text</a>]
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<a id="14" class="mim-anchor"></a>
<a id="Szakszon2013" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Szakszon, K., Salpietro, C., Kakar, N., Knegt, A. C., Olah, E., Dallapiccola, B., Borck, G.
<strong>De novo mutations of the gene encoding the histone acetyltransferase KAT6B in two patients with Say-Barber/Biesecker/Young-Simpson syndrome.</strong>
Am. J. Med. Genet. 161A: 884-888, 2013.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/23436491/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">23436491</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23436491" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.a.35848" target="_blank">Full Text</a>]
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Sonja A. Rasmussen - updated : 08/18/2020
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Marla J. F. O'Neill - updated : 4/10/2012<br>Marla J. F. O'Neill - updated : 12/15/2011<br>Marla J. F. O'Neill - updated : 8/27/2010<br>Cassandra L. Kniffin - updated : 8/18/2006<br>Victor A. McKusick - updated : 9/25/2003<br>Victor A. McKusick - updated : 6/30/2003<br>Victor A. McKusick - updated : 9/19/2002
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Creation Date:
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Michael J. Wright : 8/2/2001
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carol : 08/18/2020
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joanna : 07/06/2015<br>carol : 4/24/2012<br>carol : 4/10/2012<br>terry : 4/10/2012<br>carol : 12/15/2011<br>terry : 12/15/2011<br>carol : 8/23/2011<br>wwang : 9/1/2010<br>terry : 8/27/2010<br>wwang : 8/25/2006<br>ckniffin : 8/18/2006<br>mgross : 3/17/2004<br>cwells : 9/25/2003<br>tkritzer : 7/8/2003<br>terry : 6/30/2003<br>tkritzer : 9/19/2002<br>tkritzer : 9/19/2002<br>alopez : 8/2/2001
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<strong>#</strong> 606170
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GENITOPATELLAR SYNDROME; GTPTS
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<em>Alternative titles; symbols</em>
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ABSENT PATELLAE, SCROTAL HYPOPLASIA, RENAL ANOMALIES, FACIAL DYSMORPHISM, AND MENTAL RETARDATION
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<strong>SNOMEDCT:</strong> 702367005; &nbsp;
<strong>ORPHA:</strong> 85201; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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</h4>
<div>
<table class="table table-bordered table-condensed small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
10q22.2
</span>
</td>
<td>
<span class="mim-font">
Genitopatellar syndrome
</span>
</td>
<td>
<span class="mim-font">
606170
</span>
</td>
<td>
<span class="mim-font">
Autosomal dominant
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
<td>
<span class="mim-font">
KAT6B
</span>
</td>
<td>
<span class="mim-font">
605880
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>TEXT</strong>
</span>
</h4>
<span class="mim-text-font">
<p>A number sign (#) is used with this entry because of evidence that genitopatellar syndrome (GTPTS) can be caused by heterozygous mutation in the KAT6B gene (605880) on chromosome 10q22.</p><p>The Say-Barber-Biesecker variant of Ohdo syndrome (SBBYS; 603736), which has many overlapping features with GTPTS, can also be caused by heterozygous mutation in the KAT6B gene.</p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Description</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Genitopatellar syndrome is a rare disorder consisting of microcephaly, severe psychomotor retardation, and characteristic coarse facial features, including broad nose and small or retracted chin, associated with congenital flexion contractures of the lower extremities, abnormal or missing patellae, and urogenital anomalies (summary by Penttinen et al., 2009). </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Clinical Features</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Cormier-Daire et al. (2000) reported the association of absent patellae, genital and renal anomalies, dysmorphic features, and mental retardation in 6 boys and 1 girl belonging to 5 unrelated families. Flexion deformities of the knees and hips with clubfeet and absent patellae were consistently observed, and scrotal hypoplasia and cryptorchidism were present in all boys. Dysmorphic features included coarse facies, prominent nose with a high nasal bridge, and microcephaly. Multicystic kidneys or hydronephrosis were present in all cases. Agenesis of the corpus callosum was present in 4 cases. Micrognathia was found in 4 cases and pulmonary hypoplasia in 3. Other radiographic features included bilateral hypoplasia of the ischia and brachydactyly. Two of the 7 cases were detected by prenatal ultrasound and resulted in termination of pregnancy. Three of the remaining 5 children died within the first 3 years of life; 2 died within the first 6 months. The remaining children were alive at 10 and 12 years, respectively, but neither had achieved walking or had any speech. Cytogenetic analysis was normal in all cases. Cormier-Daire et al. (2000) noted the report of a similar association by Goldblatt et al. (1988) of a 4-year-old boy who presented with hypoplastic patellae, mental retardation, scrotal hypospadias, skeletal deformities, fused renal ectopia, flattened nasal bridge, and short stature. </p><p>Cormier-Daire et al. (2000) reported the first female patient with genitopatellar syndrome, who had clitoral hypertrophy and prominent labia minora. Lammer and Abrams (2002) reported the second female patient with the syndrome; she had a small clitoris, and underdeveloped labia minora with anteriorly displaced anus. The patient also had severe mental retardation and microcephaly with absence of the corpus callosum, absent/hypoplastic patellae, and hydronephrosis. In a male patient reported by Reardon (2002), arthrogryposis of the hips and knees, talipes calcaneovalgus, and absent scrotum were noted at birth. The facies showed prominent nasal bridge and broad nose. Lammer and Abrams (2002) commented that positioning of the legs with flexion contractures at the hips and knees, with the feet hyperflexed and varus, seemed to be characteristic for the syndrome. </p><p>Armstrong and Clarke (2002) described a 3-month-old male patient with genitopatellar syndrome, born to nonconsanguineous parents. He had an abnormal neurologic examination, microcephaly, agenesis of the corpus callosum, and neuronal heterotopia. He had dysmorphic features, congenital heart disease, 11 thoracic ribs, cryptorchidism, scrotal hypoplasia, ureterohydronephrosis, and a multicystic kidney. His legs were relatively short, with flexion contractures of the knees and bilateral clubfeet. The extensor surfaces of the knees were dimpled and the patellae could not be palpated, but dislocated patellae were seen on ultrasound. Armstrong and Clarke (2002) suggested that this patient challenged the importance of absent patellae as a defining feature. They noted the observation of Goldblatt et al. (1988) that absent patellae had been associated with multiple joint contracture syndromes, suggesting that maldevelopment of the patellae may be secondary to intrauterine knee contractures. Thus flexion deformities may be the primary knee problem in genitopatellar syndrome, not absence of the patellae. </p><p>Lifchez et al. (2003) described another patient who, in addition to previously described features of genitopatellar syndrome, had a congenital heart defect, anal anomalies, and features of an ectodermal dysplasia. Cardiac defect and anal anomaly had been observed previously by Lammer and Abrams (2002). Furthermore, sparse scalp hair was present in both cases. </p><p>Abdul-Rahman et al. (2006) reported 2 unrelated patients with a clinical phenotype consistent with genitopatellar syndrome. In addition, both patients showed mild bilateral hearing loss, and 1 had radioulnar synostosis. Mutation screening excluded mutations in the LMX1B (602575) and TBX4 (601719) genes. </p><p>Penttinen et al. (2009) reported a 17-year-old Finnish girl with a phenotype consistent with genitopatellar syndrome who also had symptomatic osteoporosis with severe kyphoscoliosis and anterior wedging of osteopenic vertebrae, abnormal bone structure with undertubulation of long bones, primary hypothyroidism, and delayed puberty. The authors stated that this was the oldest reported patient with genitopatellar syndrome, and suggested that her severe osteoporosis and endocrine abnormalities were manifestations of the syndrome. </p><p>Brugha et al. (2011) reported a 16-month-old girl with severe genitopatellar syndrome, the fourth daughter of consanguineous parents, who had 3 healthy older sisters. Examination at 16 months of age showed microcephaly and developmental delay: she was unable to sit unsupported and had marked head lag; she had very little visual attention but normal hearing. She had constant tongue thrusting, poor swallowing, and required frequent suctioning of the upper airways; she had a primitive palmar grasp and generalized hypotonia. At 6 weeks of age she had developed upper airway edema secondary to severe gastroesophageal reflux and had undergone tracheostomy; she later underwent tracheal reconstruction after resection of a subglottic cartilaginous ridge, which was believed to be the primary pathology contributing to her being tracheostomy-dependent. Her face was long, with bitemporal narrowing, slightly upslanting palpebral fissures, broad nose with short columella, full cheeks, and downturned corners of the mouth. MRI of the brain at 2 weeks of age showed absent corpus callosum with ventriculomegaly. She had multiple urinary tract infections and bilateral hydronephrosis; she had clitoromegaly at birth but by 6 months of age the appearance was of hypoplastic labia majora. Echocardiography initially showed an atrial septal defect, ventricular septal defect (VSD), and patent ductus arteriosus (PDA); the VSD and PDA subsequently resolved. She had flexion deformity of the right knee with no palpable patella; knee ultrasound showed normal left knee, but no extensor tendon or patella on the right side. Radiographs of the upper limbs also showed bilateral radioulnar synostosis, and Brugha et al. (2011) noted that this feature had been reported in 2 earlier cases (Abdul-Rahman et al., 2006; Bergmann et al., 2011). </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Diagnosis</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p><strong><em>Differential Diagnosis</em></strong></p><p>
Campeau et al. (2012) noted that mutations in the KAT6B gene can also cause SBBYSS, a disorder with features overlapping those of genitopatellar syndrome, but with clinical differences: structural brain defects, skeletal defects, anogenital anomalies, and renal defects are more severe or frequent in genitopatellar syndrome, whereas ocular, dental, palatal, and thyroid defects are more severe or frequent in SBBYSS. </p><p>Lonardo et al. (2019) discussed the issue of whether SBBYSS and GTPTS, both caused by pathogenic heterozygous mutation in the KAT6B gene, should be considered the same or distinct conditions. They noted that whereas both phenotypes have several features in common, including global developmental delay/impaired intellectual development, hypotonia, genital abnormalities, patellar hypoplasia/agenesis, congenital heart defects, dental abnormalities, hearing loss, and thyroid anomalies, there are clinical features that could help to differentiate the disorders, the most notable being the facial features seen in patients with SBBYSS (i.e., mask-like facies, blepharophimosis, and ptosis). They did note, however, that the overlapping features may make it difficult to distinguish between the 2 disorders. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Inheritance</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Cormier-Daire et al. (2000) proposed recessive inheritance for this disorder. However, the finding of heterozygous mutations by Campeau et al. (2012) and Simpson et al. (2012) demonstrated autosomal dominant inheritance. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Campeau et al. (2012) performed whole-exome sequencing in 3 patients with genitopatellar syndrome, including 1 patient ('patient 2') previously reported by Abdul-Rahman et al. (2006) and 1 patient previously reported by Lifchez et al. (2003), and identified heterozygosity for 3 different frameshift mutations in the KAT6B gene (605880.0005-605880.0007). After confirmation of the variants by Sanger sequencing, the KAT6B gene was sequenced in 3 additional patients with genitopatellar syndrome, including 'patient 1' of Abdul-Rahman et al. (2006) and a patient previously reported by Lammer and Abrams (2002), with identification of heterozygous mutations in all 3 (605880.0006 and 605880.0008-605880.0009). </p><p>Simpson et al. (2012) performed whole-exome sequencing in 6 unrelated patients with genitopatellar syndrome, including 1 patient originally reported by Reardon (2002) and 1 patient reported by Brugha et al. (2011), and identified 4 different truncating mutations in the KAT6B gene in 5 of them (see, e.g., 605880.0006 and 605880.0010). The patient of Brugha et al. (2011) did not show variation in KAT6B by exome or Sanger sequencing, and high-resolution CGH microarray analysis did not reveal any CNVs affecting KAT6B or any other genomic abnormalities that might explain the phenotype, suggesting that the case might represent a phenocopy or genetic heterogeneity of genitopatellar syndrome. Simpson et al. (2012) also stated that the form of Ohdo syndrome (SBBYS) in which mutations in KAT6B had been found is phenotypically distinct from genitopatellar syndrome. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Genotype/Phenotype Correlations</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Szakszon et al. (2013) noted that truncating mutations of KAT6B exon 18 between positions c.3018 and c.3892 had been shown to cause GTPTS, whereas truncating mutations distal to position c.4069 in the same exon cause SBBYSS (with one exception, a c.4360_4368delins mutation in a patient with GTPTS; see 605880.0005). They stated that their finding of truncating mutations of KAT6B exon 18 at positions c.5064_5071 (605880.0011) and c.5389 (605880.0012) in patients with SBBYSS confirmed this genotype-phenotype correlation. </p><p>Lonardo et al. (2019) reviewed the issue of whether SBBYSS and GTPTS should be considered distinct disorders or variations of the same disorder, given that they are both caused by pathogenic variants in the KAT6B gene. The authors noted that patients with mutations that occur more proximally, which are subject to nonsense-mediated decay (NMD), are more likely to present with a milder SBBYSS phenotype caused by haploinsufficiency. Variants not subject to NMD that affect critical binding sites of KAT6B are more likely to cause a more severe GTPTS phenotype. Variants that occur more distally and escape NMD but do not interfere with critical KAT6B binding sites are more likely to cause the SBBYSS phenotype rather than GTPTS. </p>
</span>
<div>
<br />
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<ol>
<li>
<p class="mim-text-font">
Abdul-Rahman, O. A., La, T. H., Kwan, A., Schlaubitz, S., Barsh, G. S., Enns, G. M., Hudgins, L.
<strong>Genitopatellar syndrome: expanding the phenotype and excluding mutations in LMX1B and TBX4.</strong>
Am. J. Med. Genet. 140A: 1567-1572, 2006.
[PubMed: 16761293]
[Full Text: https://doi.org/10.1002/ajmg.a.31258]
</p>
</li>
<li>
<p class="mim-text-font">
Armstrong, L., Clarke, J. T. R.
<strong>Report of a new case of &#x27;genitopatellar&#x27; syndrome which challenges the importance of absent patellae as a defining feature. (Letter)</strong>
J. Med. Genet. 39: 933-934, 2002.
[PubMed: 12471209]
[Full Text: https://doi.org/10.1136/jmg.39.12.933]
</p>
</li>
<li>
<p class="mim-text-font">
Bergmann, C., Spranger, S., Javaher, P., Ptok, M.
<strong>Genitopatellar syndrome, sensorineural hearing loss, and cleft palate.</strong>
Oral Maxillofac. Surg. 15: 103-106, 2011.
[PubMed: 20182757]
[Full Text: https://doi.org/10.1007/s10006-009-0202-4]
</p>
</li>
<li>
<p class="mim-text-font">
Brugha, R., Kinali, M., Aminu, K., Bridges, N., Holder, S. E.
<strong>Genitopatellar syndrome: a further case.</strong>
Clin. Dysmorph. 20: 163-165, 2011.
[PubMed: 21412151]
[Full Text: https://doi.org/10.1097/MCD.0b013e328345a1dd]
</p>
</li>
<li>
<p class="mim-text-font">
Campeau, P. M., Kim, J. C., Lu, J. T., Schwartzentruber, J. A., Abdul-Rahman, O. A., Schlaubitz, S., Murdock, D. M., Jiang, M.-M., Lammer, E. J., Enns, G. M., Rhead, W. J., Rowland, J., and 9 others.
<strong>Mutations in KAT6B, encoding a histone acetyltransferase, cause genitopatellar syndrome.</strong>
Am. J. Hum. Genet. 90: 282-289, 2012.
[PubMed: 22265014]
[Full Text: https://doi.org/10.1016/j.ajhg.2011.11.023]
</p>
</li>
<li>
<p class="mim-text-font">
Cormier-Daire, V., Chauvet, M.-L., Lyonnet, S., Briard, M.-L., Munnich, A., Le Merrer, M.
<strong>Genitopatellar syndrome: a new condition comprising absent patellae, scrotal hypoplasia, renal anomalies, facial dysmorphism, and mental retardation.</strong>
J. Med. Genet. 37: 520-524, 2000.
[PubMed: 10882755]
[Full Text: https://doi.org/10.1136/jmg.37.7.520]
</p>
</li>
<li>
<p class="mim-text-font">
Goldblatt, J., Wallis, C., Zieff, S.
<strong>A syndrome of hypoplastic patellae, mental retardation, skeletal and genitourinary anomalies with normal chromosomes.</strong>
Dysmorph. Clin. Genet. 2: 91-93, 1988.
</p>
</li>
<li>
<p class="mim-text-font">
Lammer, E. J., Abrams, L.
<strong>Genitopatellar syndrome: delineating the anomalies of female genitalia.</strong>
Am. J. Med. Genet. 111: 316-318, 2002.
[PubMed: 12210330]
[Full Text: https://doi.org/10.1002/ajmg.10582]
</p>
</li>
<li>
<p class="mim-text-font">
Lifchez, C. A., Rhead, W. J., Leuthner, S. R., Lubinsky, M. S.
<strong>Genitopatellar syndrome: expanding the phenotype.</strong>
Am. J. Med. Genet. 122A: 80-83, 2003.
[PubMed: 12949978]
[Full Text: https://doi.org/10.1002/ajmg.a.20268]
</p>
</li>
<li>
<p class="mim-text-font">
Lonardo, F., Lonardo, M. S., Acquaviva, F., Della Monica, M., Scarano, F., Scarano, G.
<strong>Say-Barber-Biesecker-Young-Simpson syndrome and genitopatellar syndrome: lumping or splitting?</strong>
Clin. Genet. 95: 253-261, 2019.
[PubMed: 28857140]
[Full Text: https://doi.org/10.1111/cge.13127]
</p>
</li>
<li>
<p class="mim-text-font">
Penttinen, M., Koillinen, H., Niinikoski, H., Makitie, O., Hietala, M.
<strong>Genitopatellar syndrome in an adolescent female with severe osteoporosis and endocrine abnormalities.</strong>
Am. J. Med. Genet. 149A: 451-455, 2009.
[PubMed: 19208376]
[Full Text: https://doi.org/10.1002/ajmg.a.32644]
</p>
</li>
<li>
<p class="mim-text-font">
Reardon, W.
<strong>Genitopatellar syndrome: a recognizable phenotype.</strong>
Am. J. Med. Genet. 111: 313-315, 2002.
[PubMed: 12210329]
[Full Text: https://doi.org/10.1002/ajmg.10590]
</p>
</li>
<li>
<p class="mim-text-font">
Simpson, M. A., Deshpande, C., Dafou, D., Vissers, L. E. L. M., Woollard, W. J., Holder, S. E., Gillessen-Kaesbach, G., Derks, R., White, S. M., Cohen-Snuijf, R., Kant, S. G., Hoefsloot, L. H., Reardon, W., Brunner, H. G., Bongers, E. M. H. F., Trembath, R. C.
<strong>De novo mutations of the gene encoding the histone acetyltransferase KAT6B cause genitopatellar syndrome.</strong>
Am. J. Hum. Genet. 90: 290-294, 2012.
[PubMed: 22265017]
[Full Text: https://doi.org/10.1016/j.ajhg.2011.11.024]
</p>
</li>
<li>
<p class="mim-text-font">
Szakszon, K., Salpietro, C., Kakar, N., Knegt, A. C., Olah, E., Dallapiccola, B., Borck, G.
<strong>De novo mutations of the gene encoding the histone acetyltransferase KAT6B in two patients with Say-Barber/Biesecker/Young-Simpson syndrome.</strong>
Am. J. Med. Genet. 161A: 884-888, 2013.
[PubMed: 23436491]
[Full Text: https://doi.org/10.1002/ajmg.a.35848]
</p>
</li>
</ol>
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Sonja A. Rasmussen - updated : 08/18/2020<br>Marla J. F. O&#x27;Neill - updated : 4/10/2012<br>Marla J. F. O&#x27;Neill - updated : 12/15/2011<br>Marla J. F. O&#x27;Neill - updated : 8/27/2010<br>Cassandra L. Kniffin - updated : 8/18/2006<br>Victor A. McKusick - updated : 9/25/2003<br>Victor A. McKusick - updated : 6/30/2003<br>Victor A. McKusick - updated : 9/19/2002
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