Pneumobilia is seen in: (A) Gallstone ileus, (B) TPN, (C) Volvulus, (D) Ruptured hydatid cyst
Answer is A. Causes of pneumobilia Previous surgery (papillotomy, choledochojejunostomy, ERCP with sphincterectomy) Gallstone ileus Emphysematous cholecystitis Choledochoduodenal or cholecystocolic fistula Tracheobiliary fistula Suppurative cholangitis Mirriz's syndrome (Due to cholecystoenteric fistula) Ref: Sabiston 20th edition Pgno :1570