A newborn with an incomplete form of Beckwith-Wiedemann Syndrome associated with bilateral multiple adrenal pseudocysts is presented for the first time. A high index of suspicion and detailed diagnostic studies are required in the differential diagnosis of benign and malignant cystic lesions of the adrenal gland in the newborn. Exploratory laparotomy is warranted in selected cases. Copyright (C) 1997 by W.B. Saunders Company.