Acute volvulus of the sigmoid colon.
D000208:Acute Disease; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000601:surgery / Q000628:therapy*; D008297:Male; D012008:Recurrence; D012189:Retrospective Studies; D012810:Sigmoid Diseases / Q000601:surgery / Q000628:therapy*