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Figure 2h: Patient 17. Peliotic form of liver adenomatosis in 47-year-old woman. (a) On transverse T2-weighted MR image (1600/70, 90° flip angle), multiple adenomas (arrows) are markedly hyperintense relative to liver parenchyma. (b) On T1-weighted MR image (212/4, 80° flip angle), there was no signal dropout after fat-suppressed imaging. (c, d) MR image from combination of (c) in-phase (148/4.6, 80° flip angle) and (d) opposed-phase (148/2.3, 80° flip angle) sequences show no signal dropout of adenomas. (e, f) Contrast-enhanced T1-weighted MR images (212/4, 80° flip angle) show enhancement of adenomas at (e) arterial phase and (f) portal phase. (g) Resected liver specimen (one square = 1 x 1 cm) shows adenoma in left lobe that measures 5 cm in diameter. Tumor was well delimited, was nonencapsulated (arrows), and contained several hemorrhagic areas. (h) At pathologic examination, these areas corresponded to multifocal peliosis. (Hematoxylin-eosin stain; original magnification, x200.)
