All are true about pigmented stones except:: (A) Seen in cholangiohepatitis, (B) Secondary CBD stones, (C) Primary CBD stones, (D) More common in Asians
Answer is B. Ans. (b) Secondary CBD stonesRef: Sabiston 19/e p 1485-1486* Black pigmented stones are seen in hemolytic states.* Brown pigmented stones can form in the bile duct itself (Primary Bile duct stone)* MC stone in Asian People* Hepato lithiasis - the commonest stone is Earthy Brown Stones