Beckwith-Wiedemann syndrome

Definition of Beckwith-Wiedemann syndrome

Beckwith-Wiedemann syndrome (BEK-with-VEE-deh-mahn SIN-drome): A rare, overgrowth disorder in which babies are large at birth and may develop low blood sugar. Other common symptoms are a large tongue, large internal organs, and defects of the abdominal wall near the navel. Beckwith-Wiedemann syndrome increases the risk of developing certain cancers, especially Wilms tumor.

Source: NCI Dictionary of Cancer Terms