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<div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox1289" class="ui-helper-hidden-accessible">Select item 1289</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="1" type="checkbox" id="UidCheckBox1289" value="1289" /><span>1.</span></div><div class="rslt"><p class="title"><a href="/medgen/1289" ref="ordinalpos=1&amp;ncbi_uid=1289&amp;link_uid=1289">Achondroplasia</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Achondroplasia is the most common cause of disproportionate short stature. Affected individuals have rhizomelic shortening of the limbs, macrocephaly, and characteristic facial features with frontal bossing and midface retrusion. In infancy, hypotonia is typical, and acquisition of developmental motor milestones is often both aberrant in pattern and delayed. Intelligence and life span are usually near normal, although craniocervical junction compression increases the risk of death in infancy. Additional complications include obstructive sleep apnea, middle ear dysfunction, kyphosis, and spinal stenosis. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1289</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0001080</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0001080%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1289" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=1289" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/100800" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=1289" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox4385" class="ui-helper-hidden-accessible">Select item 4385</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="2" type="checkbox" id="UidCheckBox4385" value="4385" /><span>2.</span></div><div class="rslt"><p class="title"><a href="/medgen/4385" ref="ordinalpos=2&amp;ncbi_uid=4385&amp;link_uid=4385">Down syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone (hypotonia) in infancy. All affected individuals experience cognitive delays, but the intellectual disability is usually mild to moderate.<br /><br />People with Down syndrome often have a characteristic facial appearance that includes a flattened appearance to the face, outside corners of the eyes that point upward (upslanting palpebral fissures), small ears, a short neck, and a tongue that tends to stick out of the mouth. Affected individuals may have a variety of birth defects. Many people with Down syndrome have small hands and feet and a single crease across the palms of the hands. About half of all affected children are born with a heart defect. Digestive abnormalities, such as a blockage of the intestine, are less common.<br /><br />Individuals with Down syndrome have an increased risk of developing several medical conditions. These include gastroesophageal reflux, which is a backflow of acidic stomach contents into the esophagus, and celiac disease, which is an intolerance of a wheat protein called gluten. About 15 percent of people with Down syndrome have an underactive thyroid gland (hypothyroidism). The thyroid gland is a butterfly-shaped organ in the lower neck that produces hormones. Individuals with Down syndrome also have an increased risk of hearing and vision problems. Additionally, a small percentage of children with Down syndrome develop cancer of blood-forming cells (leukemia).<br /><br />Delayed development and behavioral problems are often reported in children with Down syndrome. Affected individuals can have growth problems and their speech and language develop later and more slowly than in children without Down syndrome. Additionally, speech may be difficult to understand in individuals with Down syndrome. Behavioral issues can include attention problems, obsessive/compulsive behavior, and stubbornness or tantrums. A small percentage of people with Down syndrome are also diagnosed with developmental conditions called autism spectrum disorders, which affect communication and social interaction.<br /><br />People with Down syndrome often experience a gradual decline in thinking ability (cognition) as they age, usually starting around age 50. Down syndrome is also associated with an increased risk of developing Alzheimer's disease, a brain disorder that results in a gradual loss of memory, judgment, and ability to function. Approximately half of adults with Down syndrome develop Alzheimer's disease. Although Alzheimer's disease is usually a disorder that occurs in older adults, people with Down syndrome commonly develop this condition earlier, in their fifties or sixties. [from <a title="MedlinePlus Genetics" href="https://medlineplus.gov/genetics/" class="defSource" target="_blank">MedlinePlus Genetics</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>4385</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0013080</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0013080%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=4385" target="_blank">ClinVar</a></li>
<li><span class="inactive">Genes</span></li>
<li><a href="http://www.omim.org/entry/190685" target="_blank">OMIM</a></li>
<li><span class="inactive"><i>GeneReviews</i></span></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox1638960" class="ui-helper-hidden-accessible">Select item 1638960</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="3" type="checkbox" id="UidCheckBox1638960" value="1638960" /><span>3.</span></div><div class="rslt"><p class="title"><a href="/medgen/1638960" ref="ordinalpos=3&amp;ncbi_uid=1638960&amp;link_uid=1638960">Noonan syndrome 1</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Noonan syndrome (NS) is characterized by characteristic facies, short stature, congenital heart defect, and developmental delay of variable degree. Other findings can include broad or webbed neck, unusual chest shape with superior pectus carinatum and inferior pectus excavatum, cryptorchidism, varied coagulation defects, lymphatic dysplasias, and ocular abnormalities. Although birth length is usually normal, final adult height approaches the lower limit of normal. Congenital heart disease occurs in 50%-80% of individuals. Pulmonary valve stenosis, often with dysplasia, is the most common heart defect and is found in 20%-50% of individuals. Hypertrophic cardiomyopathy, found in 20%-30% of individuals, may be present at birth or develop in infancy or childhood. Other structural defects include atrial and ventricular septal defects, branch pulmonary artery stenosis, and tetralogy of Fallot. Up to one fourth of affected individuals have mild intellectual disability, and language impairments in general are more common in NS than in the general population. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1638960</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4551602</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C4551602%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1638960" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=1638960" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/163950" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=1638960" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox422452" class="ui-helper-hidden-accessible">Select item 422452</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="4" type="checkbox" id="UidCheckBox422452" value="422452" /><span>4.</span></div><div class="rslt"><p class="title"><a href="/medgen/422452" ref="ordinalpos=4&amp;ncbi_uid=422452&amp;link_uid=422452">Bardet-Biedl syndrome 1</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Bardet-Biedl syndrome is an autosomal recessive and genetically heterogeneous ciliopathy characterized by retinitis pigmentosa, obesity, kidney dysfunction, polydactyly, behavioral dysfunction, and hypogonadism (summary by Beales et al., 1999). Eight proteins implicated in the disorder assemble to form the BBSome, a stable complex involved in signaling receptor trafficking to and from cilia (summary by Scheidecker et al., 2014).&#13; Genetic Heterogeneity of Bardet-Biedl Syndrome&#13; BBS2 (615981) is caused by mutation in a gene on 16q13 (606151); BBS3 (600151), by mutation in the ARL6 gene on 3q11 (608845); BBS4 (615982), by mutation in a gene on 15q22 (600374); BBS5 (615983), by mutation in a gene on 2q31 (603650); BBS6 (605231), by mutation in the MKKS gene on 20p12 (604896); BBS7 (615984), by mutation in a gene on 4q27 (607590); BBS8 (615985), by mutation in the TTC8 gene on 14q32 (608132); BBS9 (615986), by mutation in a gene on 7p14 (607968); BBS10 (615987), by mutation in a gene on 12q21 (610148); BBS11 (615988), by mutation in the TRIM32 gene on 9q33 (602290); BBS12 (615989), by mutation in a gene on 4q27 (610683); BBS13 (615990), by mutation in the MKS1 gene (609883) on 17q23; BBS14 (615991), by mutation in the CEP290 gene (610142) on 12q21, BBS15 (615992), by mutation in the WDPCP gene (613580) on 2p15; BBS16 (615993), by mutation in the SDCCAG8 gene (613524) on 1q43; BBS17 (615994), by mutation in the LZTFL1 gene (606568) on 3p21; BBS18 (615995), by mutation in the BBIP1 gene (613605) on 10q25; BBS19 (615996), by mutation in the IFT27 gene (615870) on 22q12; BBS20 (619471), by mutation in the IFT172 gene (607386) on 9p21; BBS21 (617406), by mutation in the CFAP418 gene (614477) on 8q22; and BBS22 (617119), by mutation in the IFT74 gene (608040) on 9p21.&#13; The CCDC28B gene (610162) modifies the expression of BBS phenotypes in patients who have mutations in other genes. Mutations in MKS1, MKS3 (TMEM67; 609884), and C2ORF86 also modify the expression of BBS phenotypes in patients who have mutations in other genes.&#13; Although BBS had originally been thought to be a recessive disorder, Katsanis et al. (2001) demonstrated that clinical manifestation of some forms of Bardet-Biedl syndrome requires recessive mutations in 1 of the 6 loci plus an additional mutation in a second locus. While Katsanis et al. (2001) called this 'triallelic inheritance,' Burghes et al. (2001) suggested the term 'recessive inheritance with a modifier of penetrance.' Mykytyn et al. (2002) found no evidence of involvement of the common BBS1 mutation in triallelic inheritance. However, Fan et al. (2004) found heterozygosity in a mutation of the BBS3 gene (608845.0002) as an apparent modifier of the expression of homozygosity of the met390-to-arg mutation in the BBS1 gene (209901.0001).&#13; Allelic disorders include nonsyndromic forms of retinitis pigmentosa: RP51 (613464), caused by TTC8 mutation, and RP55 (613575), caused by ARL6 mutation. [from <a title="Online Mendelian Inheritance in Man" href="http://www.omim.org" class="defSource" target="_blank">OMIM</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>422452</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C2936862</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C2936862%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=422452" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=422452" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/209900" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=422452" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox1645760" class="ui-helper-hidden-accessible">Select item 1645760</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="5" type="checkbox" id="UidCheckBox1645760" value="1645760" /><span>5.</span></div><div class="rslt"><p class="title"><a href="/medgen/1645760" ref="ordinalpos=5&amp;ncbi_uid=1645760&amp;link_uid=1645760">Cornelia de Lange syndrome 1</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Cornelia de Lange syndrome (CdLS) encompasses a spectrum of findings from mild to severe. Severe (classic) CdLS is characterized by distinctive facial features, growth restriction (prenatal onset; &lt;5th centile throughout life), hypertrichosis, and upper-limb reduction defects that range from subtle phalangeal abnormalities to oligodactyly (missing digits). Craniofacial features include synophrys, highly arched and/or thick eyebrows, long eyelashes, short nasal bridge with anteverted nares, small widely spaced teeth, and microcephaly. Individuals with a milder phenotype have less severe growth, cognitive, and limb involvement, but often have facial features consistent with CdLS. Across the CdLS spectrum IQ ranges from below 30 to 102 (mean: 53). Many individuals demonstrate autistic and self-destructive tendencies. Other frequent findings include cardiac septal defects, gastrointestinal dysfunction, hearing loss, myopia, and cryptorchidism or hypoplastic genitalia. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1645760</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4551851</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C4551851%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1645760" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=1645760" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/122470" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=1645760" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox162881" class="ui-helper-hidden-accessible">Select item 162881</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="6" type="checkbox" id="UidCheckBox162881" value="162881" /><span>6.</span></div><div class="rslt"><p class="title"><a href="/medgen/162881" ref="ordinalpos=6&amp;ncbi_uid=162881&amp;link_uid=162881">Smith-Magenis syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Smith-Magenis syndrome (SMS) is characterized by distinctive physical features (particularly coarse facial features that progress with age), developmental delay, cognitive impairment, behavioral abnormalities, sleep disturbance, and childhood-onset abdominal obesity. Infants have feeding difficulties, failure to thrive, hypotonia, hyporeflexia, prolonged napping or need to be awakened for feeds, and generalized lethargy. The majority of individuals function in the mild-to-moderate range of intellectual disability. The behavioral phenotype, including significant sleep disturbance, stereotypies, and maladaptive and self-injurious behaviors, is generally not recognized until age 18 months or older and continues to change until adulthood. Sensory issues are frequently noted; these may include avoidant behavior, as well as repetitive seeking of textures, sounds, and experiences. Toileting difficulties are common. Significant anxiety is common as are problems with executive functioning, including inattention, distractibility, hyperactivity, and impulsivity. Maladaptive behaviors include frequent outbursts / temper tantrums, attention-seeking behaviors, opposition, aggression, and self-injurious behaviors including self-hitting, self-biting, skin picking, inserting foreign objects into body orifices (polyembolokoilamania), and yanking fingernails and/or toenails (onychotillomania). Among the stereotypic behaviors described, the spasmodic upper-body squeeze or "self-hug" seems to be highly associated with SMS. An underlying developmental asynchrony, specifically emotional maturity delayed beyond intellectual functioning, may also contribute to maladaptive behaviors in people with SMS. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162881</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0795864</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0795864%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=162881" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=162881" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/182290" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=162881" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox95931" class="ui-helper-hidden-accessible">Select item 95931</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="7" type="checkbox" id="UidCheckBox95931" value="95931" /><span>7.</span></div><div class="rslt"><p class="title"><a href="/medgen/95931" ref="ordinalpos=7&amp;ncbi_uid=95931&amp;link_uid=95931">Roberts-SC phocomelia syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">ESCO2 spectrum disorder is characterized by mild-to-severe prenatal growth restriction, limb malformations (which can include bilateral symmetric tetraphocomelia or hypomelia caused by mesomelic shortening), hand anomalies (including oligodactyly, thumb aplasia or hypoplasia, and syndactyly), elbow and knee flexion contractures (involving elbows, wrists, knees, ankles, and feet [talipes equinovarus]), and craniofacial abnormalities (which can include bilateral cleft lip and/or cleft palate, micrognathia, widely spaced eyes, exophthalmos, downslanted palpebral fissures, malar flattening, and underdeveloped ala nasi), ear malformation, and corneal opacities. Intellectual disability (ranging from mild to severe) is common. Early mortality is common among severely affected pregnancies and newborns; mildly affected individuals may survive to adulthood. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>95931</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0392475</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0392475%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=95931" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=95931" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/268300" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=95931" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox355217" class="ui-helper-hidden-accessible">Select item 355217</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="8" type="checkbox" id="UidCheckBox355217" value="355217" /><span>8.</span></div><div class="rslt"><p class="title"><a href="/medgen/355217" ref="ordinalpos=8&amp;ncbi_uid=355217&amp;link_uid=355217">Muenke syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Muenke syndrome is characterized by considerable phenotypic variability; features may include coronal synostosis (more often bilateral than unilateral); synostosis of other sutures, all sutures (pan synostosis), or no sutures; or macrocephaly. Bilateral coronal synostosis typically results in brachycephaly, although turribrachycephaly (a "tower-shaped" skull) or a cloverleaf skull can be observed. Unilateral coronal synostosis results in anterior plagiocephaly. Other craniofacial findings typically include temporal bossing, widely spaced eyes, ptosis or mild proptosis, mild midface retrusion, and highly arched palate or cleft lip and palate. Strabismus is common. Other findings can include hearing loss, developmental delay, intellectual disability, behavioral issues, intracranial anomalies, epilepsy, ocular anomalies, <b>brachydactyly</b>, carpal and/or tarsal bone fusions, broad thumbs and great toes, clinodactyly, and radiographic findings of short and broad middle phalanges and/or cone-shaped epiphyses. Of note, some individuals who have the p.Pro250Arg pathogenic variant may have no signs of Muenke syndrome on physical or radiographic examination. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355217</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1864436</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C1864436%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=355217" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=355217" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/602849" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=355217" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox162915" class="ui-helper-hidden-accessible">Select item 162915</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="9" type="checkbox" id="UidCheckBox162915" value="162915" /><span>9.</span></div><div class="rslt"><p class="title"><a href="/medgen/162915" ref="ordinalpos=9&amp;ncbi_uid=162915&amp;link_uid=162915">Acrocallosal syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Classic Joubert syndrome (JS) is characterized by three primary findings: A distinctive cerebellar and brain stem malformation called the molar tooth sign (MTS). Hypotonia. Developmental delays. Often these findings are accompanied by episodic tachypnea or apnea and/or atypical eye movements. In general, the breathing abnormalities improve with age, truncal ataxia develops over time, and acquisition of gross motor milestones is delayed. Cognitive abilities are variable, ranging from severe intellectual disability to normal. Additional findings can include retinal dystrophy, renal disease, ocular colobomas, occipital encephalocele, hepatic fibrosis, polydactyly, oral hamartomas, and endocrine abnormalities. Both intra- and interfamilial variation are seen. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162915</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0796147</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0796147%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=162915" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=162915" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/200990" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=162915" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox307142" class="ui-helper-hidden-accessible">Select item 307142</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="10" type="checkbox" id="UidCheckBox307142" value="307142" /><span>10.</span></div><div class="rslt"><p class="title"><a href="/medgen/307142" ref="ordinalpos=10&amp;ncbi_uid=307142&amp;link_uid=307142">Orofaciodigital syndrome I</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Oral-facial-digital syndrome type I (OFD1) is usually male lethal during gestation and predominantly affects females. OFD1 is characterized by the following: oral features (lobulated tongue, tongue nodules, cleft of the hard or soft palate, accessory gingival frenulae, hypodontia, and other dental abnormalities); facial features (widely spaced eyes, telecanthus, hypoplasia of the alae nasi, median cleft or pseudocleft of the upper lip, micrognathia); digital features (<b>brachydactyly</b>, syndactyly, clinodactyly of the fifth finger, duplicated great toe); polycystic kidney disease; brain MRI findings (intracerebral cysts, agenesis of the corpus callosum, cerebellar agenesis with or without Dandy-Walker malformation); and intellectual disability (in approximately 50% of affected individuals). [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>307142</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1510460</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C1510460%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=307142" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=307142" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/311200" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=307142" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox120531" class="ui-helper-hidden-accessible">Select item 120531</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="11" type="checkbox" id="UidCheckBox120531" value="120531" /><span>11.</span></div><div class="rslt"><p class="title"><a href="/medgen/120531" ref="ordinalpos=11&amp;ncbi_uid=120531&amp;link_uid=120531">Greig cephalopolysyndactyly syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Typical Greig cephalopolysyndactyly syndrome (GCPS) is characterized by macrocephaly, widely spaced eyes associated with increased interpupillary distance, preaxial polydactyly with or without postaxial polydactyly, and cutaneous syndactyly. Developmental delay, intellectual disability, or seizures appear to be uncommon manifestations (~&lt;10%) of GCPS and may be more common in individuals with large (&gt;300-kb) deletions that encompass GLI3. Approximately 20% of individuals with GCPS have hypoplasia or agenesis of the corpus callosum. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>120531</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0265306</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0265306%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=120531" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=120531" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/175700" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=120531" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox350343" class="ui-helper-hidden-accessible">Select item 350343</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="12" type="checkbox" id="UidCheckBox350343" value="350343" /><span>12.</span></div><div class="rslt"><p class="title"><a href="/medgen/350343" ref="ordinalpos=12&amp;ncbi_uid=350343&amp;link_uid=350343">Pseudohypoparathyroidism type 1B</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Disorders of GNAS inactivation include the phenotypes pseudohypoparathyroidism Ia, Ib, and Ic (PHP-Ia, -Ib, -Ic), pseudopseudohypoparathyroidism (PPHP), progressive osseous heteroplasia (POH), and osteoma cutis (OC). PHP-Ia and PHP-Ic are characterized by: End-organ resistance to endocrine hormones including parathyroid hormone (PTH), thyroid-stimulating hormone (TSH), gonadotropins (LH and FSH), growth hormone-releasing hormone (GHRH), and CNS neurotransmitters (leading to obesity and variable degrees of intellectual disability and developmental delay); and The Albright hereditary osteodystrophy (AHO) phenotype (short stature, round facies, and subcutaneous ossifications) and <b>brachydactyly</b> type E (shortening mainly of the 4th and/or 5th metacarpals and metatarsals and distal phalanx of the thumb). Although PHP-Ib is characterized principally by PTH resistance, some individuals also have partial TSH resistance and mild features of AHO (e.g., <b>brachydactyly</b>). PPHP, a more limited form of PHP-Ia, is characterized by various manifestations of the AHO phenotype without the hormone resistance or obesity. POH and OC are even more restricted variants of PPHP: POH consists of dermal ossification beginning in infancy, followed by increasing and extensive bone formation in deep muscle and fascia. OC consists of extra-skeletal ossification that is limited to the dermis and subcutaneous tissues. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>350343</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1864100</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C1864100%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=350343" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=350343" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/603233" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=350343" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox116061" class="ui-helper-hidden-accessible">Select item 116061</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="13" type="checkbox" id="UidCheckBox116061" value="116061" /><span>13.</span></div><div class="rslt"><p class="title"><a href="/medgen/116061" ref="ordinalpos=13&amp;ncbi_uid=116061&amp;link_uid=116061">Pyknodysostosis</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Pycnodysostosis is characterized by short-limbed short stature, typical facial appearance (convex nasal ridge and small jaw with obtuse mandibular angle), osteosclerosis with increased bone fragility, acroosteolysis of the distal phalanges, delayed closure of the cranial sutures, and dysplasia of the clavicle. In affected individuals, the facial features become more prominent with age, likely due to progressive acroosteolysis of the facial bones, but can usually be appreciated from early childhood, particularly the small jaw and convex nasal ridge. Additional features include dental and nail anomalies. Intelligence is typically normal with mild psychomotor difficulties reported in some individuals. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>116061</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0238402</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0238402%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=116061" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=116061" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/265800" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=116061" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox382398" class="ui-helper-hidden-accessible">Select item 382398</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="14" type="checkbox" id="UidCheckBox382398" value="382398" /><span>14.</span></div><div class="rslt"><p class="title"><a href="/medgen/382398" ref="ordinalpos=14&amp;ncbi_uid=382398&amp;link_uid=382398">Loeys-Dietz syndrome 2</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Loeys-Dietz syndrome (LDS) is characterized by vascular findings (cerebral, thoracic, and abdominal arterial aneurysms and/or dissections), skeletal manifestations (pectus excavatum or pectus carinatum, scoliosis, joint laxity, arachnodactyly, talipes equinovarus, and cervical spine malformation and/or instability), craniofacial features (hypertelorism, strabismus, bifid uvula / cleft palate, and craniosynostosis that can involve any sutures), and cutaneous findings (velvety and translucent skin, easy bruising, and dystrophic scars). Individuals with LDS are predisposed to widespread and aggressive arterial aneurysms and pregnancy-related complications including uterine rupture and death. Individuals with LDS can show a strong predisposition for allergic/inflammatory disease including asthma, eczema, and reactions to food or environmental allergens. There is also an increased incidence of gastrointestinal inflammation including eosinophilic esophagitis and gastritis or inflammatory bowel disease. Wide variation in the distribution and severity of clinical features can be seen in individuals with LDS, even among affected individuals within a family who have the same pathogenic variant. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>382398</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C2674574</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C2674574%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=382398" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=382398" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/610168" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=382398" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox64221" class="ui-helper-hidden-accessible">Select item 64221</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="15" type="checkbox" id="UidCheckBox64221" value="64221" /><span>15.</span></div><div class="rslt"><p class="title"><a href="/medgen/64221" ref="ordinalpos=15&amp;ncbi_uid=64221&amp;link_uid=64221">Saethre-Chotzen syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Classic Saethre-Chotzen syndrome (SCS) is characterized by coronal synostosis (unilateral or bilateral), facial asymmetry (particularly in individuals with unicoronal synostosis), strabismus, ptosis, and characteristic appearance of the ear (small pinna with a prominent superior and/or inferior crus). Syndactyly of digits two and three of the hand is variably present. Cognitive development is usually normal, although those with a large genomic deletion are at an increased risk for intellectual challenges. Less common manifestations of SCS include other skeletal findings (parietal foramina, vertebral segmentation defects, radioulnar synostosis, maxillary hypoplasia, ocular hypertelorism, hallux valgus, duplicated or curved distal hallux), hypertelorism, palatal anomalies, obstructive sleep apnea, increased intracranial pressure, short stature, and congenital heart malformations. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>64221</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0175699</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0175699%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=64221" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=64221" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/101400" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=64221" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox3486" class="ui-helper-hidden-accessible">Select item 3486</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="16" type="checkbox" id="UidCheckBox3486" value="3486" /><span>16.</span></div><div class="rslt"><p class="title"><a href="/medgen/3486" ref="ordinalpos=16&amp;ncbi_uid=3486&amp;link_uid=3486">Cleidocranial dysostosis</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Cleidocranial dysplasia (CCD) spectrum disorder is a skeletal dysplasia that represents a clinical continuum ranging from classic CCD (triad of delayed closure of the cranial sutures, hypoplastic or aplastic clavicles, and dental abnormalities), to mild CCD, to isolated dental anomalies without other skeletal features. Individuals with classic CCD spectrum disorder typically have abnormally large, wide-open fontanelles at birth that may remain open throughout life. Clavicular hypoplasia can result in narrow, sloping shoulders that can be opposed at the midline. Moderate short stature may be observed, with most affected individuals being shorter than their unaffected sibs. Dental anomalies may include delayed eruption of secondary dentition, failure to shed the primary teeth, and supernumerary teeth. Individuals with CCD spectrum disorder are at increased risk of developing recurrent sinus infections, recurrent ear infections leading to conductive hearing loss, and upper airway obstruction. Intelligence is typically normal. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>3486</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0008928</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0008928%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=3486" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=3486" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/119600" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=3486" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox61234" class="ui-helper-hidden-accessible">Select item 61234</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="17" type="checkbox" id="UidCheckBox61234" value="61234" /><span>17.</span></div><div class="rslt"><p class="title"><a href="/medgen/61234" ref="ordinalpos=17&amp;ncbi_uid=61234&amp;link_uid=61234">Aarskog syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Aarskog-Scott syndrome is a genetic disorder that affects the development of many parts of the body, most commonly the head and face, the hands and feet, and the genitals and urinary system (genitourinary tract). This condition mainly affects males, although females may have mild features of the syndrome.<br /><br />People with Aarskog-Scott syndrome often have distinctive facial features, such as widely spaced eyes (hypertelorism), a small nose, a long area between the nose and mouth (philtrum), and a widow's peak hairline. They frequently have mild to moderate short stature during childhood, but their growth usually catches up with that of their peers during puberty. Hand abnormalities are common in this syndrome and include short fingers (<b>brachydactyly</b>), curved pinky fingers (fifth finger clinodactyly), webbing of the skin between some fingers (cutaneous syndactyly), and a single crease across the palm. Affected individuals can also have wide, flat feet with broad, rounded toes. Other abnormalities in people with Aarskog-Scott syndrome include heart defects and a split in the upper lip (cleft lip) with or without an opening in the roof of the mouth (cleft palate).<br /><br />Most males with Aarskog-Scott syndrome have a shawl scrotum, in which the scrotum surrounds the penis instead of hanging below. Less often, they have undescended testes (cryptorchidism) or a soft out-pouching around the belly-button (umbilical hernia) or in the lower abdomen (inguinal hernia).<br /><br />The intellectual development of people with Aarskog-Scott syndrome varies widely. Most individuals with Aarskog-Scott syndrome have normal intelligence; however, some may have mild learning and behavior problems, and in rare cases, severe intellectual disability has been reported. [from <a title="MedlinePlus Genetics" href="https://medlineplus.gov/genetics/" class="defSource" target="_blank">MedlinePlus Genetics</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>61234</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0175701</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0175701%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=61234" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=61234" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/305400" target="_blank">OMIM</a></li>
<li><span class="inactive"><i>GeneReviews</i></span></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox98376" class="ui-helper-hidden-accessible">Select item 98376</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="18" type="checkbox" id="UidCheckBox98376" value="98376" /><span>18.</span></div><div class="rslt"><p class="title"><a href="/medgen/98376" ref="ordinalpos=18&amp;ncbi_uid=98376&amp;link_uid=98376">Hypochondroplasia</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Hypochondroplasia is a skeletal dysplasia characterized by short stature; stocky build; disproportionately short arms and legs; broad, short hands and feet; mild joint laxity; and macrocephaly. Radiologic features include shortening of long bones with mild metaphyseal flare; narrowing of the inferior lumbar interpedicular distances; short, broad femoral neck; and squared, shortened ilia. The skeletal features are very similar to those seen in achondroplasia but tend to be milder. Medical complications common to achondroplasia (e.g., spinal stenosis, tibial bowing, obstructive apnea) occur less frequently in hypochondroplasia but intellectual disability and epilepsy may be more prevalent. Children usually present as toddlers or at early school age with decreased growth velocity leading to short stature and limb disproportion. Other features also become more prominent over time. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98376</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0410529</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C0410529%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=98376" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=98376" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/146000" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=98376" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox488447" class="ui-helper-hidden-accessible">Select item 488447</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="19" type="checkbox" id="UidCheckBox488447" value="488447" /><span>19.</span></div><div class="rslt"><p class="title"><a href="/medgen/488447" ref="ordinalpos=19&amp;ncbi_uid=488447&amp;link_uid=488447">Pseudohypoparathyroidism type I A</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Disorders of GNAS inactivation include the phenotypes pseudohypoparathyroidism Ia, Ib, and Ic (PHP-Ia, -Ib, -Ic), pseudopseudohypoparathyroidism (PPHP), progressive osseous heteroplasia (POH), and osteoma cutis (OC). PHP-Ia and PHP-Ic are characterized by: End-organ resistance to endocrine hormones including parathyroid hormone (PTH), thyroid-stimulating hormone (TSH), gonadotropins (LH and FSH), growth hormone-releasing hormone (GHRH), and CNS neurotransmitters (leading to obesity and variable degrees of intellectual disability and developmental delay); and The Albright hereditary osteodystrophy (AHO) phenotype (short stature, round facies, and subcutaneous ossifications) and <b>brachydactyly</b> type E (shortening mainly of the 4th and/or 5th metacarpals and metatarsals and distal phalanx of the thumb). Although PHP-Ib is characterized principally by PTH resistance, some individuals also have partial TSH resistance and mild features of AHO (e.g., <b>brachydactyly</b>). PPHP, a more limited form of PHP-Ia, is characterized by various manifestations of the AHO phenotype without the hormone resistance or obesity. POH and OC are even more restricted variants of PPHP: POH consists of dermal ossification beginning in infancy, followed by increasing and extensive bone formation in deep muscle and fascia. OC consists of extra-skeletal ossification that is limited to the dermis and subcutaneous tissues. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>488447</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3494506</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C3494506%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=488447" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=488447" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/103580" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=488447" target="_blank"><i>GeneReviews</i></a></li></ul>
</div></div></div></div><div class="rprt"><div class="rprtnum nohighlight"><label for="UidCheckBox327586" class="ui-helper-hidden-accessible">Select item 327586</label><input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.MedGen_RVDocSum.uid" sid="20" type="checkbox" id="UidCheckBox327586" value="327586" /><span>20.</span></div><div class="rslt"><p class="title"><a href="/medgen/327586" ref="ordinalpos=20&amp;ncbi_uid=327586&amp;link_uid=327586">Andersen Tawil syndrome</a></p><div class="supp"><p class="rprtbody"><span class="concept-def">Andersen-Tawil syndrome (ATS) is characterized by a triad of: episodic flaccid muscle weakness (i.e., periodic paralysis); ventricular arrhythmias and prolonged QT interval; and anomalies including low-set ears, widely spaced eyes, small mandible, fifth-digit clinodactyly, syndactyly, short stature, and scoliosis. Affected individuals present in the first or second decade with either cardiac symptoms (palpitations and/or syncope) or weakness that occurs spontaneously following prolonged rest or following rest after exertion. Mild permanent weakness is common. Mild learning difficulties and a distinct neurocognitive phenotype (i.e., deficits in executive function and abstract reasoning) have been described. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</span><br /></p><div class="spaceAboveSmall"><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>327586</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1563715</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div><div>
<ul class="db_links"><li><a href="/gtr/tests/?term=C1563715%5bDISCUI%5d" target="_blank">GTR</a></li>
<li><a href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=327586" target="_blank">ClinVar</a></li>
<li><a href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=327586" target="_blank">Genes</a></li>
<li><a href="http://www.omim.org/entry/170390" target="_blank">OMIM</a></li>
<li><a href="/pubmed?LinkName=medgen_pubmed_genereviews&amp;from_uid=327586" target="_blank"><i>GeneReviews</i></a></li></ul>
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