This primary carcinoma of the bile ducts is discussed more fully. Most commonly seen affecting the main biliary ducts, it also occurs in the
intrahepatic biliary tree where it infiltrates the surrounding liver parenchyma, having the appearance of a solid mass. It may be solitary or multifocal and
a clue to its location is often the focal dilatation of ducts proximal to the obstructing mass.
TABEL BELOW :
Common solid focal liver lesions: differential diagnoses