Extrahepatic Bile Duct Cancer

Extrahepatic bile duct cancer is a rare disease in which cancer cells form in the ducts that are outside the liver. The extrahepatic bile duct is made up of two parts:

• The common hepatic duct, which is also called the perihilar part of the extrahepatic duct.
• The common bile duct, which is also called the distal part of the extrahepatic duct.

Risk factors for extrahepatic bile duct cancer include the following disorders:

• Primary sclerosing cholangitis.
• Chronic ulcerative colitis.
• Choledochal cysts.
• Infection with a Chinese liver fluke parasite.

Bile Duct Cancer (Cholangiocarcinoma) Treatment (PDQ®)

Source: National Cancer Institute