Neurofibromatosis (von Recklinghausen's disease) and bleeding from the gastrointestinal tract.
D000368:Aged; D000740:Anemia / Q000209:etiology; D004379:Duodenal Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications* / Q000473:pathology; D007583:Jejunum; D008551:Melena / Q000209:etiology; D009456:Neurofibromatosis 1 / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography; D012878:Skin Neoplasms / Q000150:complications / Q000473:pathology