Perivascular epithelioid cell tumor of the liver: A report of two cases and review of the literature

Figure 1 The PEComa of the liver in a 56-year-old woman. A: Contrast-enhanced CT scan shows significant and heterogeneous enhancement of the lesion; B: Photomicrograph shows polygonal or short spindle cells with oval nuclei and clear abundant cytoplasm (HE, × 200).

Figure 2 The PEComa in the lobus caudatus of the liver in a 63-year-old woman. A: Contrast-enhanced CT scan demonstrates a tumor in the lobus caudatus; B: Axial T2-weighted (7058/84) MR image shows a hyperintense mass with well-demarcated tumor margins.