PMC3477534_01
Hypercellularand hypocellular areas with prominent vascularity (H&E x100).
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fig1
Alternate hyper and hypocellular areas were seen with prominent vascularity (Figure 1).
Tumor cells are of two populations. One population is of spindle cells. The other population of cells is round with clear cytoplasm (H&E x400).
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fig2
The lobules were composed of spindle-shaped cells along with round clear and signet ring like cells (Figure 2).
Tumor cells revealing diffuse immunoreactivity to smooth muscle actin (IHC for smooth muscle actin 400x).
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fig3
Immunohistochemistry showed the cells to be positive for smooth muscle actin (Figure 3).