A full-term, 5-day-old male neonate presented with a large area with bluish-red discolouration over his left back. The parents reported that the skin lesion had rapidly spread over the past 12 hours. He was febrile and lethargic on admission. Physical examination revealed an extensive erythematous and oedematous area, and there was fluctuation over this tender area (figure 1). He had elevated levels of …