title: Idiopathic muscular stricture of the sigmoid colon simulating carcinoma.
mesh_terms: D000368:Aged; D003108:Colonic Diseases / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D006984:Hypertrophy; D008297:Male; D009130:Muscle, Smooth; D009135:Muscular Diseases / Q000175:diagnosis*; D012811:Sigmoid Neoplasms / Q000175:diagnosis*; D012812:Sigmoidoscopy