Recognition and management of the infant with Beckwith-Wiedemann Syndrome.

Beckwith-Wiedemann Syndrome (BWS) is the most common overgrowth syndrome in infancy. The characteristic findings are macroglossia, abdominal wall defects, and macrosomia. Genetic studies in infants with BWS demonstrate 3 major subgroups of patients: familial, sporadic, or chromosomally abnormal.