Antenatal Diagnosis of Klippel–Trenaunay–Weber Syndrome

Abstract

AbstractKlippel–Trenaunay–Weber syndrome (KTWS) is a rare congenital disease characterized by cutaneous hemangiomas, soft tissue, and bone hypertrophy. It may be associated with arteriovenous malformation involving deeper pelvic organs. We present a prenatally-diagnosed case of KTWS identified at 26 weeks. Antenatal ultrasound identified subcutaneous hemangioma with soft tissue hypertrophy with unilateral hypertrophy of the lower extremity with right renal hydronephrosis. During the rest antenatal period, KTWS did not deteriorate and was not complicated by acute enlargement and sequestration and Kasabach–Merritt syndrome.