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Figure 1f: Patient 3. Steatotic form of liver adenomatosis in 30-year-old woman. (a) On transverse T2-weighted MR image (1900/96, 80° flip angle), multiple adenomas (arrows) are slightly hyperintense relative to liver parenchyma. (b) On transverse T1-weighted MR image (174/4, 75° flip angle), adenomas are isointense relative to liver parenchyma. (c) After fat-suppressed imaging (174/4, 75° flip angle), adenomas have signal dropout, which indicates lipid content. (d) Contrast-enhanced T1-weighted image (174/4, 75° flip angle) at portal venous phase shows no enhancement of multiple adenomas. (e) Surgical specimen (one square = 1 x 1 cm) was almost entirely occupied by nonencapsulated tumor that contained several yellow zones. (f) At pathologic examination, these zones consisted of proliferation of hepatocytes showing extensive macro- and microvesicular steatosis. (Hematoxylin-eosin stain; original magnification, x100.)
