Proteus syndrome


Type of disease: Congenital onset | Rare conditions

Proteus syndrome is characterized by excessive growth of a part or portion of the body. The overgrowth can cause differences in appearance and with time, an increased risk for blood clots and tumors. It is caused by a change (mutation) in the AKT1 gene. It is not inherited, but occurs as a random mutation in a body cell in a developing baby (fetus) early in pregnancy. The AKT1 gene mutation affects only a portion of the body cells.  This is why only a portion of the body is affected and why individuals with Proteus syndrome can be very differently affected. Management of the condition often requires a team of specialists with knowledge of the wide array of features and complications of this condition. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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