title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 30-1981.
mesh_terms: D000792:Angiography; D001165:Arteriovenous Malformations / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D004379:Duodenal Neoplasms / Q000175:diagnosis; D004381:Duodenal Ulcer / Q000473:pathology; D004386:Duodenum / Q000098:blood supply*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007889:Leiomyoma / Q000175:diagnosis; D008297:Male; D008875:Middle Aged