Figure 2c: Transverse MR images show solitary HCC in 44-year-old obese man with type 2 diabetes and abnormal liver function test results. (a) T2-weighted turbo spin-echo image (repetition time msec/echo time msec, 3250/110) shows a large mass (arrows) with well-defined margins and a regular surface in the left lobe. The mass is heterogeneously hyperintense to liver. (b) Unenhanced fat-saturated T1-weighted image (160/4.9, 80° flip angle) shows that the tumor (arrows) is mildly hypointense to the adjacent liver. (c) Contrast-enhanced fat-saturated T1-weighted image (160/4.9, 80° flip angle) obtained during hepatic arterial phase demonstrates heterogeneous enhancement of the tumor (arrows). (d) Image obtained during portal venous phase shows that the tumor (arrows) is mildly hyperintense to adjacent liver parenchyma, with small areas of hypointensity.