You are using an outdated browser. Please upgrade your browser to improve your experience.

Noonan syndrome 4

Disease Summary
Associated Targets (1)


Mondo Description Any Noonan syndrome in which the cause of the disease is a mutation in the SOS1 gene.
Uniprot Description A form of Noonan syndrome, a disease characterized by short stature, facial dysmorphic features such as hypertelorism, a downward eyeslant and low-set posteriorly rotated ears, and a high incidence of congenital heart defects and hypertrophic cardiomyopathy. Other features can include a short neck with webbing or redundancy of skin, deafness, motor delay, variable intellectual deficits, multiple skeletal defects, cryptorchidism, and bleeding diathesis. Individuals with Noonan syndrome are at risk of juvenile myelomonocytic leukemia, a myeloproliferative disorder characterized by excessive production of myelomonocytic cells. Some patients with NS4 have polyarticular villonodular synovitis.
Mondo Term and Equivalent IDs
MONDO:0012547:  Noonan syndrome 4