Disease or Syndrome
Myhre syndrome
Myhre syn·drome
Definitions related to myhre syndrome:
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A rare, autosomal dominant inherited disorder caused by mutations in the SMAD4 gene. It is characterized by developmental abnormalities, mild to moderate intellectual disability, hearing loss, skin stiffness, skeletal abnormalities, and typical facial features (short palpebral fissures, shortened distance between the nose and upper lip, midface hypoplasia, prognathism, cleft palate, and/or cleft lip).NCI ThesaurusU.S. National Cancer Institute, 2021
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Myhre syndrome is a connective tissue disorder with multisystem involvement, progressive and proliferative fibrosis that may occur spontaneously or following trauma or surgery, mild-to-moderate intellectual disability, and in some instances, autistic-like behaviors. Organ systems primarily involved include: cardiovascular (congenital heart defects, long- and short-segment stenosis of the aorta and peripheral arteries, pericardial effusion, constrictive pericarditis, restrictive cardiomyopathy, and hypertension); respiratory (choanal stenosis, laryngotracheal narrowing, obstructive airway disease, or restrictive pulmonary disease), gastrointestinal (pyloric stenosis, duodenal strictures, severe constipation); and skin (thickened particularly on the hands and extensor surfaces). Additional findings include distinctive craniofacial features and skeletal involvement (intrauterine growth restriction, short stature, limited joint range of motion). To date, 55 individuals with molecularly confirmed Myhre syndrome have been reported.GeneReviewsUniversity of Washington, 2021
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Myhre syndrome is a rare, connective tissue disorder that affects many parts of the body. Signs and symptoms include fibrosis (thickening and scarring of connective tissue), intellectual disability, distinctive facial features, skeletal abnormalities, and/or various birth defects. The syndrome may affect the structure or function of the...National Center for Advancing Translational Sciences
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