About The Medical Condition Noonan Syndrome
Find the definition of the medical term Noonan Syndrome. Noonan Syndrome defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Noonan Syndrome
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What's The Definition Of The Medical Condition Noonan Syndrome?
A multifaceted disorder that is characterized by short stature, webbed neck, ptosis, skeletal malformations, hypertelorism, hormonal imbalance, CRYPTORCHIDISM, multiple cardiac abnormalities (most commonly including PULMONARY VALVE STENOSIS), and some degree of MENTAL RETARDATION. The phenotype resembles that of TURNER SYNDROME; however, Noonan syndrome occurs in both males and females with a normal sex chromosome constitution (46,XX and 46,XY). Nevertheless, familial studies suggest that the trait is inherited as an autosomal dominant.
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