title: Ischemic proctosigmoiditis: report of a case.
mesh_terms: D003092:Colitis / Q000000981:diagnostic imaging / Q000209:etiology* / Q000473:pathology; D012809:Colon, Sigmoid / Q000098:blood supply*; D006801:Humans; D007511:Ischemia / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009336:Necrosis; D011349:Proctitis / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology; D011859:Radiography; D012007:Rectum / Q000098:blood supply*