Klatskin tumor is-: (A) Nodular type of cholangiocarcinoma, (B) Fibrolarnellar hepatocellular carcinoma, (C) Gall bladder carcinoma, (D) Hepatocellular carcinoma
Answer is A. Cholangiocarcinoma is classified into two: 1.Intrahepatic 2.Extrahepatuc: which is divided into- Perihilar tumors: these are known as Klatskin tumors and are located at the junction of the right and left hepatic ducts forming the common hepatic duct. Distal bile duct tumors: they arise near the ampulla of Vater REF: GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK FIRST EDITION PAGE 468 IMAGE REF: