Fig. 2From: Malignant perivascular epithelioid cell tumor (PEComa) of the femur: a case report and literature reviewHistology. Epithelioid cells arranged in nested pattern with delicate arborizing vasculature (×100, a). Sinusoidal-type vasculature in PEComa (×200, b). Nuclear pleomorphism with multinucleate tumor cells and mitotic activity (×200, c). Area of necrosis present within the tumor (×100, d)Back to article page