title: Rectosigmoid pseudostenosis due to urinary retention.
abstract: Pseudostenosis of the rectosigmoid colon due to compression by a dilated urinary bladder may pose a diagnostic problem. Although probably quite common, it has not received much attention in the radiological literature. Four cases are presented and the radiological features on barium enema are described.
mesh_terms: D000368:Aged; D012809:Colon, Sigmoid / Q000000981:diagnostic imaging*; D003108:Colonic Diseases / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011312:Pressure; D011859:Radiography; D012002:Rectal Diseases / Q000000981:diagnostic imaging*; D014555:Urination Disorders / Q000150:complications* / Q000000981:diagnostic imaging