Large Skin Defect of the Trunk Noted at Birth

A 1-day-old male infant is transferred to the neonatal intensive care unit with a large congenital skin defect of the inferior chest and abdomen extending in a butterfly distribution to the flanks (Figure 1). Figure 1. Well-demarcated butterfly-shaped lesion affecting skin, muscle, and fascia which spares the umbilicus. Photograph taken less than one day after birth. ### Prenatal and Birth Histories Apgar scores were 8 and 9 at 1 and 5 minutes, respectively. ### Physical Examination