Mass forming lesion Liver

Q) A 55 year old male presents with obstructive jaundice. Ultrasound evaluation reveals a hyperechoic 4 cm mass in segment VI of liver with peripheral duct dilatation. CT abdomen shows a hypodense mass with delayed enhancement in portal pahse. What is the most likely diagnosis

a) Hepatocellular carcinoma

b) Intrahepatic cholangiocarcinoma

c) Metastatic Adenocarcinoma

d) Carcinoid 

Answer 

b) Intrahepatic cholangiocarcinoma (IHCC)

IHCC - Mass forming type- have gradual central enhancement and variable delayed enhancement on portal phase

Hepatocellular carcinoma present ....Premium content at Questions on Bile ducts Q16-20