Operative cholangiography were perfomed in six patients and PTC in eleven patients. These patients were classified into two groups according to the radiological findings. Group I: The intrahepatic bile duct was filled with Urographin. Cholangiogram demonstrated that the lumen of these intrahepatic bile ducts were irregular and obstructed partially. Eight patients consisted the group I. Group II: The intrahepatic bile duct was recognized with negative shadow by cholangiography. Nine patients were included in this group. It seems that lymph vessels were vissuarized. Communication between the intrahepatic bile duct and lymph vessels was demonstrated in a patient.
