Rigler's triad consists of all except: (A) Intestinal obstruction, (B) Gas in bile duct, (C) Cholangitis, (D) Ectopic gallstone
Answer is C. Gall stone ileus Passage of stone through a spontaneous biliary-enteric fistula leading to a mechanical bowel obstruction Clinical features Rigler's triad : Classic plain abdominal film triad of small bowel obstruction, pneumobilia & ectopic gallstone Ref: Sabiston 20th edition Pgno :1506-1507