Case 172:   Steatosis / Steatohepatitis

Diagnostic Category:

Clinical Presentation:

37 year old man with incidental finding in liver

CT: Typical, mass like, left lobe

Imaging Findings:

CT shows incidental finding of a steatotic liver with a large area of fat sparing in segment 3, confirmed by MRI, mimicking a mass ("pseudotumor"). Fat sparing is this location is typically a result of third inflow from the gastroduodenal veins, replacing portions of the sinusoids. Note also typical subcapsular fat sparing in segment 4B.