Acute volvulus of the sigmoid colon.
D012809:Colon, Sigmoid / Q000000981:diagnostic imaging*; D003108:Colonic Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011859:Radiography