PMC5337771_01
CT scan of the abdomen shows a 3 cm splenic mass (note congenital absence of the left kidney).
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F1
A computed tomography (CT) scan revealed a mass in the splenic parenchyma measuring 3x3 cm (figure 1).
Gross of the spleen shows a well-defined 3 cm mass.
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F2
Moreover, serial cut sections showed a well-defined round, pinkish and spongy mass measuring 3x3x3 cm (figure 2).
A) High power view of the tumor cells show monomorphic cells creating different sized vascular channels accompanied with stromal cells. (H&E, x400). B) Sections from immunohistochemistry of the tumor show reactivity of the stromal cells with SMA. The inset shows positive CD31.
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F3
Tumor cells were reactive for CD31 (figure 3a), with low MIB-1 index and negative leukocyte common antigen (LCA). The stromal cells were reactive with smooth muscle actin (SMA) (figure 3b).