Radiographic and sonographic findings in spontaneous retrograde intussusception.
Spontaneous retrograde intussusception causing obstruction is rare. We describe the radiographic and sonographic appearances, which should have been sufficient for preoperative diagnosis, in one patient.
D000230:Adenocarcinoma / Q000000981:diagnostic imaging; D000236:Adenoma / Q000000981:diagnostic imaging; D000368:Aged; D003108:Colonic Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging*; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging; D007443:Intussusception / Q000175:diagnosis / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography; D014463:Ultrasonography