Figure 3
Light microscopy picture of a specimen of the resected mass. A: the tumor is characterized by myxoid and fibrous-like stroma, showing large areas of necrosis (hematoxylin and eosin staining, original magnification ×100). B: at higher magnification the tumor was constituted by blastomatous areas, containing epithelioid cells, and sarcomatous areas, containing fusiform cells (hematoxylin and eosin staining, original magnification ×250).