Noonan's syndrome is a rare genetic disease, estimated to be between 1: 1000 to 1: 2500 and characterized by cardiothoracic malformations, sometimes mental retardation, but also by hematologic abnormalities and joint involvement. These are poorly described in the literature. The aim of this work is therefore to describe the frequency and type of these manifestations in the French pediatric population and to compare patients with and without these disorders.
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Description of joint and hematologic disorders in patients with Noonan syndrome clinically confirmed by Van der Burgt criteria.
Timeframe: Inclusion (Day 0)
Description of joint and hematologic disorders in patients with Noonan syndrome clinically confirmed by Van der Burgt criteria.
Timeframe: Inclusion (Day 0)