Noonan Syndrome (Genetic Birth Defects Disorder) Causes, Features & Treatment on MedicineNet.com

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September 5, 2008

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Noonan Syndrome Index

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Noonan syndrome is a genetic disorder that causes birth defects (congenital malformations) such as short stature, caved-in chestbone, webbing of the neck as well as heart and blood vessel defects. Named after Dr. Jacqueline A. Noonan it is inherited as an autosomal dominant disorder. The Noonan gene (NS1) is on a nonsex (autosomal) chromosome (number 12) and is transmitted from a parent with a 50% probability to boy or girl. Treatment for Noonan syndrome is directed toward the problems that may occur in a given affected individual. The heart defects may require surgical treatment. The expected outcome (prognosis) depends on the extent and severity of the features that are present.

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Terms related to Noonan Syndrome:

Familial Turner Syndrome
Female Pseudo-Turner Syndrome
Male Turner Syndrome
Noonan-Ehmke Syndrome
Pseudo-Ullrich-Turner Syndrome
Turner Syndrome in Female with X chromosome
Turner's Phenotype, Karyotype Normal
Turner-like Syndrome
Ullrich-Noonan Syndrome

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