PMC5350412_01
Well-limited solidocystic paratesticular tumor.
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fig1
The spermatic cord was unremarkable measuring 11 x 2 cm (Figure 1).
Proliferation of small caliber blood vessels with turgescent endothelial cells, surrounded by clusters of epithelioid cells, and associated with spindle cells proliferation.
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fig2
They were mixed with spindle cells around the vessel walls (Figures 2 and 3).
Epithelioid cells have large and big regular nuclei. See the presence of mitosis with no atypia.
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fig3
They were mixed with spindle cells around the vessel walls (Figures 2 and 3).
Smooth Muscle Actin immunostaining x200. Diffuse and intense staining of the spindle cells surrounding the vessels.
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fig4
On immunohistochemistry, the spindle cells were intensely and diffusely staining for the Desmin and Smooth Muscle Actin (AML) (Figure 4).
CD34 immunostaining x400. An intense expression of CD34 by the endothelial cells and the epithelioid cells.
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fig5
The large epithelioid cells and the endothelial cells were intensely positive for CD34 and CD31 (Figure 5).