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. 2016 Jan 11;16:8. doi: 10.1186/s12886-016-0185-5

Fig. 2.

Fig. 2

Grossly, the tumor is a 1.8 × 1.8 × 1.3 cm yellowish, encapsulated, solid mass (a). Microscopic features of the tumor shows it is comprised of spindle to ovoid-shaped muscle cells interspersed with irregular vascular channels and mature adipocytes (b, hematoxylin and eosin stain, original magnification, ×100). Immunohistochemical staining reveals that the proliferating vessels are positive for CD34 (c) and smooth muscle cells are positive for HHF-35 (d) (original magnification, ×100)