Large abdominal purpuras may be caused by retroperitoneal kaposiform hemangioendothelioma with consumptive coagulopathy. Clinicians should perform serial ultrasonography studies to detect the sings of tumor until the final diagnosis is confirmed.
Keywords: Kasabach‐Merritt phenomenon; kaposiform hemangioendothelioma; purpura.
© 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.