Thursday, 13 June 2019

Noonan syndrome


Features

Failure to thrive
Congenital heart defects
Bleeding disorders
Usually normal intelligence

 

Genetics

Caused by a mutation in one of several genes
Usually autosomal dominant inheritance

 

Pathophysiology

In 70% of cases, the affected genes play a role in the Ras/mitogen activated protein kinase signaling pathways.

 

Complications

Leukaemia

 

Management

Growth hormone may help children to reach 

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