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<meta name="keywords" content="CN032444, autosomal dominant opitz g/bbb syndrome, disease or syndrome, opitz gbbb syndrome, type ii, autosomal dominant, autosomal recessive, birth defects, chromosomal disease, chromosome, clinical features, clinical findings, clinical genetics, clinical recommendations, clinvar, congenital chromosomal disease, consumer genetic resources, cytogenetic location, disease characteristics, disease definitions, disease descriptions, disease ontology, disease synonyms, disease vocabulary, dysmorphology, entrez, familial disease, gene, gene-disease relationship, genereviews, genetic disease, genetic disorder, genetic terminology, genetic testing registry, genetics home reference, genomic disease, gtr, hereditary disease, heritable disease, hpo, human phenotype ontology, inherited disease, management guidelines, maternal inheritance, medgen, medical genetics, medical subject headings, mesh, mitochondrial inheritance, mode of inheritance, national center for biotechnology information, national institutes of health, national library of medicine, ncbi, nih, nlm, omim, ordo, orphanet, paternal inheritance, phenome, position statements, professional practice guidelines, rare disease, reference sequence, refseq, snomed ct, syndrome, undiagnosed diseases, x-linked recessive" /><meta name="description" content="Individuals with 22q11.2 deletion syndrome (22q11.2DS) can present with a wide range of features that are highly variable, even within families. The major clinical manifestations of 22q11.2DS include congenital heart disease, particularly conotruncal malformations (ventricular septal defect, tetralogy of Fallot, interrupted aortic arch, and truncus arteriosus), palatal abnormalities (velopharyngeal incompetence, submucosal cleft palate, bifid uvula, and cleft palate), immune deficiency, characteristic facial features, and learning difficulties. Hearing loss can be sensorineural and/or conductive. Laryngotracheoesophageal, gastrointestinal, ophthalmologic, central nervous system, skeletal, and genitourinary anomalies also occur. Psychiatric illness and autoimmune disorders are more common in individuals with 22q11.2DS." /><meta name="robots" content="index,nofollow,noarchive" />
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<title>Autosomal dominant Opitz G/BBB syndrome (Concept Id: CN032444)
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<!--
UID=1825933
ConceptID=CN032444
-->
<!--imgCountBooks = 1--><div class="ncbi_carousel" data-ncbicarousel-config="imageWidth:'100px',numItemsVisible:2,toggler:false"><div class="nc_header"><span class="img_strip_title">Image</span></div><div class="nc_content"><div class="nc_item"><a class="figpopup"><img alt="Image from GeneReviews" src="/books/NBK1523/bin/gr_22q11deletion-Image001.gif" src-large="/books/NBK1523/bin/gr_22q11deletion-Image001.jpg" /></a><br /><a href="/books/NBK1523/figure/gr_22q11deletion.F1/" title="GeneReviews" target="_blank">details</a></div></div></div><h1 class="medgenTitle"><div class="MedGenTitleText">Autosomal dominant Opitz G/BBB syndrome</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1825933</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier assigned by MedGen (starting with CN) for terms&#10;that cannot be identified in NLM's Unified Medical Language system (UMLS)&#10;Click for more information."><span class="highlight" style="background-color:">CN032444</span></a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonym:</td>
<td>Opitz GBBB syndrome, type II</td></tr>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Disease_characteristics">Disease characteristics</h1><a sid="101" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="excerpt">Excerpted from the <i>GeneReview: </i><a href="/books/NBK1523" target="_blank">22q11.2 Deletion Syndrome</a></div><div>Individuals with 22q11.2 deletion syndrome (22q11.2DS) can present with a wide range of features that are highly variable, even within families. The major clinical manifestations of 22q11.2DS include congenital heart disease, particularly conotruncal malformations (ventricular septal defect, tetralogy of Fallot, interrupted aortic arch, and truncus arteriosus), palatal abnormalities (velopharyngeal incompetence, submucosal cleft palate, bifid uvula, and cleft palate), immune deficiency, characteristic facial features, and learning difficulties. Hearing loss can be sensorineural and/or conductive. Laryngotracheoesophageal, gastrointestinal, ophthalmologic, central nervous system, skeletal, and genitourinary anomalies also occur. Psychiatric illness and autoimmune disorders are more common in individuals with 22q11.2DS. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</div><div class="spaceAbove"><strong>Full text of <i>GeneReview</i> (by section):</strong><br /><a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Summary" target="NBK1523">Summary</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.GeneReview_Scope" target="NBK1523">GeneReview Scope</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Diagnosis" target="NBK1523">Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Clinical_Characteristic" target="NBK1523">Clinical Characteristics</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Genetically_Related_All" target="NBK1523">Genetically Related (Allelic) Disorders</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Differential_Diagnosis" target="NBK1523">Differential Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Management" target="NBK1523">Management</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Genetic_Counseling" target="NBK1523">Genetic Counseling</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Resources" target="NBK1523">Resources</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Molecular_Genetics" target="NBK1523">Molecular Genetics</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.Chapter_Notes" target="NBK1523">Chapter Notes</a>  |  <a class="medgenPMinfo" href="/books/NBK1523#gr_22q11deletion.References" target="NBK1523">References</a></div><div class="spaceAbove"><strong>Authors:</strong><br />
Donna M McDonald-McGinn  |  Heather S Hain  |  Beverly S Emanuel<i>, et. al.</i>   <a href="/books/NBK1523" target="NBK1523" title="NCBI Bookshelf: 22q11.2 Deletion Syndrome">view full author information</a></div></div>
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<div class="portlet mgSection" id="ID_117">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Additional_descriptions">Additional descriptions</h1><a sid="117" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="mgSection"><strong>From MedlinePlus Genetics</strong><br />Because the signs and symptoms of 22q11.2 deletion syndrome are so varied, different groupings of features were once described as separate conditions. Doctors named these conditions DiGeorge syndrome, velocardiofacial syndrome (also called Shprintzen syndrome), and conotruncal anomaly face syndrome. In addition, some children with the 22q11.2 deletion were diagnosed with the autosomal dominant form of Opitz G/BBB syndrome and Cayler cardiofacial syndrome. Once the genetic basis for these disorders was identified, doctors determined that they were all part of a single syndrome with many possible signs and symptoms. To avoid confusion, this condition is usually called 22q11.2 deletion syndrome, a description based on its underlying genetic cause.<br /><br />22q11.2 deletion syndrome (which is also known by several other names, listed below) is a disorder caused by the deletion of a small piece of chromosome 22. The deletion occurs near the middle of the chromosome at a location designated q11.2.<br /><br />22q11.2 deletion syndrome has many possible signs and symptoms that can affect almost any part of the body. The features of this syndrome vary widely, even among affected members of the same family. People with 22q11.2 deletion syndrome commonly have heart abnormalities that are often present from birth, recurrent infections caused by problems with the immune system, and distinctive facial features. In affected individuals, the muscles that form the roof of the mouth (palate) may not close completely, even though the tissue covering them does, resulting in a condition called submucosal cleft palate. The abnormal palate is often highly arched and there may be a split in the soft flap of tissue that hangs from the back of the mouth (bifid uvula). Submucosal cleft palate can also interfere with normal speech by causing air to come out of the nose during speech, leading to nasal-sounding speech. Affected individuals may also have breathing problems, kidney abnormalities, low levels of calcium in the blood (which can result in seizures), a decrease in blood platelets (thrombocytopenia), significant feeding difficulties, gastrointestinal problems, and hearing loss. Skeletal differences are possible, including mild short stature and, less frequently, abnormalities of the spinal bones.<br /><br />Many children with 22q11.2 deletion syndrome have developmental delays, including delayed growth and speech development, and some have mild intellectual disability or learning disabilities. Older affected individuals have difficulty reading, performing tasks involving math, and problem solving. Children with this condition often need help changing and adapting their behaviors when responding to situations. Additionally, affected children are more likely than children without 22q11.2 deletion syndrome to have attention-deficit/hyperactivity disorder (ADHD) and developmental conditions such as autism spectrum disorder that affect communication and social interaction.  <a target="_blank" href="https://medlineplus.gov/genetics/condition/22q112-deletion-syndrome">https://medlineplus.gov/genetics/condition/22q112-deletion-syndrome</a></div><div class="mgSection"><strong>From MedlinePlus Genetics</strong><br />Mild intellectual disability and developmental delay occur in about 50 percent of people with Opitz G/BBB syndrome. Affected individuals have delayed motor skills, such as walking, speech delay, and learning difficulties. Some people with Opitz G/BBB syndrome have features of autistic spectrum disorders, which are characterized by impaired communication and socialization skills. About half of affected individuals also have an opening in the lip (cleft lip) with or without an opening in the roof of the mouth (cleft palate). Some have cleft palate without cleft lip. Less common features of Opitz G/BBB syndrome, affecting less than half of people with this disorder, include minor heart defects, an obstruction of the anal opening (imperforate anus), and brain defects such as a small or absent connection between the left and right halves of the brain (corpus callosum). Distinct facial features that may be seen in this disorder include a prominent forehead, widow's peak hairline, flat nasal bridge, thin upper lip, and low-set ears. These features vary among affected individuals, even within the same family.<br /><br />Nearly everyone with Opitz G/BBB syndrome has wide-spaced eyes (ocular hypertelorism). Affected individuals commonly have defects of the voice box (larynx), windpipe (trachea), or esophagus. These throat abnormalities can cause difficulty swallowing or breathing, in some cases resulting in recurrent pneumonia or life-threatening breathing problems. A common defect is a gap between the trachea and esophagus (laryngeal cleft) that allows food or fluids to enter the airway. The cleft can vary in size, and infants may struggle to breathe when feeding. Most males with Opitz G/BBB syndrome have genital abnormalities such as the urethra opening on the underside of the penis (hypospadias), undescended testes (cryptorchidism), an underdeveloped scrotum, or a scrotum divided into two lobes (bifid scrotum). These genital abnormalities can lead to problems in the urinary tract.<br /><br />Opitz G/BBB syndrome is a genetic condition that causes several abnormalities along the midline of the body. "G/BBB" represents the first letters of the last names of the families first diagnosed with this disorder and "Opitz" is the last name of the doctor who first described the signs and symptoms. There are two forms of Opitz G/BBB syndrome, X-linked Opitz G/BBB syndrome and autosomal dominant Opitz G/BBB syndrome. The two forms are distinguished by their genetic causes and patterns of inheritance. The signs and symptoms of the two forms are generally the same.  <a target="_blank" href="https://medlineplus.gov/genetics/condition/opitz-g-bbb-syndrome">https://medlineplus.gov/genetics/condition/opitz-g-bbb-syndrome</a></div></div>
</div>
<div class="portlet mgSection" id="ID_105">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Professional_guidelines">Professional guidelines</h1><a sid="105" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">PubMed<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpPM"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3>
<div class="nl"><a target="_blank" href="/pubmed/38228406">Primary and secondary defects of the thymus.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Dinges SS,
Amini K,
Notarangelo LD,
Delmonte OM</span><br />
<span class="medgenPMjournal">Immunol Rev</span>
2024 Mar;322(1):178-211.
Epub 2024 Jan 16
doi: 10.1111/imr.13306.
<span class="bold">PMID: </span><a href="/pubmed/38228406" target="_blank">38228406</a><a href="/pmc/articles/PMC10950553" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36897497">Chromosome 22q11.2 Deletion (DiGeorge Syndrome): Immunologic Features, Diagnosis, and Management.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Biggs SE,
Gilchrist B,
May KR</span><br />
<span class="medgenPMjournal">Curr Allergy Asthma Rep</span>
2023 Apr;23(4):213-222.
Epub 2023 Mar 10
doi: 10.1007/s11882-023-01071-4.
<span class="bold">PMID: </span><a href="/pubmed/36897497" target="_blank">36897497</a><a href="/pmc/articles/PMC9999075" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31272925">Juvenile parkinsonism: Differential diagnosis, genetics, and treatment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Niemann N,
Jankovic J</span><br />
<span class="medgenPMjournal">Parkinsonism Relat Disord</span>
2019 Oct;67:74-89.
Epub 2019 Jun 30
doi: 10.1016/j.parkreldis.2019.06.025.
<span class="bold">PMID: </span><a href="/pubmed/31272925" target="_blank">31272925</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(autosomal%20dominant%20opitz%20g%2Fbbb%20syndrome)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (123)</a></div></div>
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<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
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<div class="portlet mgSection" id="ID_103">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
<div class="nl"><a target="_blank" href="/pubmed/11339373">Phenotype of the 22q11.2 deletion in individuals identified through an affected relative: cast a wide FISHing net!</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McDonald-McGinn DM,
Tonnesen MK,
Laufer-Cahana A,
Finucane B,
Driscoll DA,
Emanuel BS,
Zackai EH</span><br />
<span class="medgenPMjournal">Genet Med</span>
2001 Jan-Feb;3(1):23-9.
doi: 10.1097/00125817-200101000-00006.
<span class="bold">PMID: </span><a href="/pubmed/11339373" target="_blank">11339373</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20dominant%20Opitz%20G%2FBBB%20syndrome%22%20AND%20Etiology%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (1)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/25412741">Mutations in SPECC1L, encoding sperm antigen with calponin homology and coiled-coil domains 1-like, are found in some cases of autosomal dominant Opitz G/BBB syndrome.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kruszka P,
Li D,
Harr MH,
Wilson NR,
Swarr D,
McCormick EM,
Chiavacci RM,
Li M,
Martinez AF,
Hart RA,
McDonald-McGinn DM,
Deardorff MA,
Falk MJ,
Allanson JE,
Hudson C,
Johnson JP,
Saadi I,
Hakonarson H,
Muenke M,
Zackai EH</span><br />
<span class="medgenPMjournal">J Med Genet</span>
2015 Feb;52(2):104-10.
Epub 2014 Nov 20
doi: 10.1136/jmedgenet-2014-102677.
<span class="bold">PMID: </span><a href="/pubmed/25412741" target="_blank">25412741</a><a href="/pmc/articles/PMC4393015" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/11339373">Phenotype of the 22q11.2 deletion in individuals identified through an affected relative: cast a wide FISHing net!</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McDonald-McGinn DM,
Tonnesen MK,
Laufer-Cahana A,
Finucane B,
Driscoll DA,
Emanuel BS,
Zackai EH</span><br />
<span class="medgenPMjournal">Genet Med</span>
2001 Jan-Feb;3(1):23-9.
doi: 10.1097/00125817-200101000-00006.
<span class="bold">PMID: </span><a href="/pubmed/11339373" target="_blank">11339373</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20dominant%20Opitz%20G%2FBBB%20syndrome%22%20AND%20Diagnosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (2)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/11339373">Phenotype of the 22q11.2 deletion in individuals identified through an affected relative: cast a wide FISHing net!</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McDonald-McGinn DM,
Tonnesen MK,
Laufer-Cahana A,
Finucane B,
Driscoll DA,
Emanuel BS,
Zackai EH</span><br />
<span class="medgenPMjournal">Genet Med</span>
2001 Jan-Feb;3(1):23-9.
doi: 10.1097/00125817-200101000-00006.
<span class="bold">PMID: </span><a href="/pubmed/11339373" target="_blank">11339373</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20dominant%20Opitz%20G%2FBBB%20syndrome%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (1)</a></div></div>
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<h2 class="offscreen_noflow">Supplemental Content</h2>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=CN032444%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (10)</a></li>
<li><a href="/gtr/tests?term=CN032444%5bDISCUI%5d&amp;filter=method%3A3%5F23" target="_blank">FISH-interphase (1)</a></li>
<li><a href="/gtr/tests?term=CN032444%5bDISCUI%5d&amp;filter=method%3A3%5F24" target="_blank">FISH-metaphase (1)</a></li>
<li><a href="/gtr/tests?term=CN032444%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (14)</a></li>
<li><a href="/gtr/tests?term=CN032444%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (7)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=CN032444%5bDISCUI%5d" target="_blank">See all (16)</a></total></li>
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<div class="portlet_content ln"><ul><li><a href="https://clinicaltrials.gov/search?cond=Autosomal%20dominant%20Opitz%20G/BBB%20syndrome" target="_blank">ClinicalTrials.gov</a></li></ul></div>
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<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(autosomal%20dominant%20opitz%20g%2Fbbb%20syndrome)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">PubMed</a><div class="help-popup">See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li></ul></div>
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<div class="portlet_content ln"><ul><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&amp;query=Autosomal%20dominant%20Opitz%20G/BBB%20syndrome" target="_blank">MedlinePlus</a></li><li><a href="#" class="jig-ncbipopper results_settings" role="button" aria-expanded="false" aria-haspopup="true" data-jigconfig="triggerPosition : 'bottom center',destPosition : 'top center', hasArrow : false,openEvent : 'click',closeEvent : 'click',isTriggerElementCloseClick: false, addCloseButton : false, groupName: 'entrez_pg',destSelector : '#ghrPopup'">MedlinePlusGenetics (GHR)<span class="tgt_dark"></span></a></li></ul><div id="ghrPopup" aria-live="assertive" aria-hidden="true" style="display: none;" class="portlet_popup tabPopper ui-helper-reset ui-ncbipopper-wrapper ui-ncbipopper-basic"><ul class="column_list"><li><a target="_blank" href="https://medlineplus.gov/genetics/condition/22q112-deletion-syndrome">22q112 deletion syndrome</a></li><li><a target="_blank" href="https://medlineplus.gov/genetics/condition/opitz-g-bbb-syndrome">Opitz g bbb syndrome</a></li></ul></div></div>
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