An unusual cause of gastrointestinal haemorrhage.
D000293:Adolescent; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D005770:Gastrointestinal Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology; D006392:Hemangioma, Cavernous / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D011859:Radiography; D012878:Skin Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D013577:Syndrome