title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 17-1994. A 38-year-old man with AIDS, sudden abdominal pain, and bleeding from the rectum.
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000473:pathology*; D015746:Abdominal Pain; D000328:Adult; D003092:Colitis / Q000150:complications / Q000382:microbiology / Q000473:pathology*; D003586:Cytomegalovirus Infections / Q000150:complications / Q000473:pathology*; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007580:Jejunal Neoplasms / Q000150:complications / Q000473:pathology*; D008297:Male; D009336:Necrosis; D010538:Peritonitis / Q000473:pathology; D012514:Sarcoma, Kaposi / Q000150:complications / Q000473:pathology*; D014657:Vasculitis / Q000150:complications / Q000473:pathology*