title: Localized colonic ischemia simulating annular carcinoma.
abstract: We report a patient with an unusual ischemic colitis which caused a short circumferential narrowing of the colon simulating an annular carcinoma on a barium examination.
mesh_terms: D002277:Carcinoma / Q000000981:diagnostic imaging; D003106:Colon / Q000098:blood supply*; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D007511:Ischemia / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011859:Radiography