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Fig. 3B —79-year-old man with hepatic steatosis and hepatocellular
carcinoma. Peritumoral sparing of fatty infiltration is present around
hepatocellular carcinoma. Unenhanced CT scan shows low hepatic attenuation
suggestive of hepatic steatosis and well-defined hypoattenuating mass.
Ill-defined hyperdense rim (arrowheads) surrounds tumor, which
corresponds to peritumoral hypoechoic area in A. Finding represents
peritumoral sparing of fatty infiltration.