Mercedes Benz sign or seagull sign is seen in: (A) Gall stones, (B) Renal stones, (C) CBD stones, (D) Hydatid cyst
Answer is A. Mercedes Benz sign or Seagull sign The Centre of gallstone may contain radiolucent gas in a triradiate or biradiate fissure This gives rise to characteristic dark shapes on radiograph, the Mercedes Benz sign or Seagull sign Ref: Bailey and love 27th edition Pgno : 1199