An unusual cause of gastrointestinal hemorrhage systemic neurofibromatosis with involvement of the duodenum.
D004386:Duodenum; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006470:Hemorrhage; D006801:Humans; D009369:Neoplasms; D017253:Neurofibromatoses / Q000150:complications*
DUODENUM/neoplasms; HEMORRHAGE, GASTROINTESTINAL/etiology; NEUROFIBROMATOSIS/complications