von Recklinghausen's disease with angiosarcoma in a child.
D002648:Child; D006258:Head and Neck Neoplasms / Q000473:pathology; D006394:Hemangiosarcoma / Q000473:pathology*; D006801:Humans; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D009456:Neurofibromatosis 1 / Q000473:pathology*