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Beckwith-Wiedemann syndrome is a congenital (present from birth) growth disorder that causes large body size, large organs, and other symptoms.
The cause of Beckwith-Wiedemann syndrome is unknown, but it may be genetic. Most cases are associated with a defect in chromosome number 11.
Infancy can be a critical period because of low blood sugar (hypoglycemia), omphalocele (when present), and an increased rate of tumor development. Wilm's tumor and adrenal carcinoma are the most common tumor's in patients with this syndrome.
Cohen P, Shim M. Hyperpituitarism, tall stature, and overgrowth syndromes. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 561.
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