Table 3.

Ancillary imaging features in favoring diagnosis of HCC and favoring benignity

Favor HCC	Favor benignity
Mild to moderate T2 hyperintensity	Uniform marked T2 hyperintensity
Subthreshold growth	Uniform marked T2 hypointensity
Mosaic architecture	Normal, undistorted vessels crossing through region of interest
Fat deposition disproportionate to that in the surrounding fat	Blood pool enhancement characteristics
Restricted diffusion	Decrease in diameter of 10+ mm without treatment
Iron sparing in an iron overloaded liver

Abbreviation: HCC, hepatocellular carcinoma.