A case of intrahepatic cholangiocarcinoma extensive periductal infiltration to the extrahepatic bile duct

Abstract

A 73-year-old man was found to have two mass lesions along the bile duct. The first one was located aroud intrahepatic bile duct, and the other was in the extrahepatic bile duct. He underwent left lobectomy and choledochectomy based on the clinical and radiological diagnosis of double bile duct cancers. Resected specimens revealed two lesions were histologically continuous by extensive periductal infiltration of carcinoma cells. This report presents a rare bile duct tumor showing two mass lesions and extensive perductal infiltration between them.