An ultrasound examination shows dilated intrahepatic biliary channels with a small gall bladder. The most likely possibility is -: (A) Gall Bladder stone, (B) Pancreatic calculus, (C) Common bile duct stone, (D) Carcinoma of the head of the pancreas
Answer is C. Ans. is 'c' i.e. Common bile duct stone * In Ca Head of Pancreas, GB will also be distended.