Fig. 2From: Unresectable hepatic PEComa: a rare malignancy treated with stereotactic body radiation therapy (SBRT) followed by complete resectionHistologic appearance of the PEComa: a hematoxylin-eosin stain revealing a pleomorphic tumor. The tumor cells did not produce PAS-positive material (b) and showed strong expression of vimentin (c) with at least partial co-positivity for MelanA (d). Proliferative activity in MIB1/KI-67 stain was very high (e) and cytokeratin reaction was negative (f). 40× magnificationBack to article page