Intraductal papillary neoplasm of the bile duct developing in a patient with primary sclerosing cholangitis: A case report

Figure 2 Abdominal computed tomography scan shows expansion of the bilateral intrahepatic bile duct. The right lobe has atrophied and the left lobe is enlarged. A posterior branch has expanded in the shape of a cyst. A: 18 mo before surgery; B-E: Enhanced computed tomography (arrow: Middle hepatic vein).