PMC4893283_01
low-power view showing uniform, short spindle-shaped cells
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PMC4893283_01_12907_2016_30_Fig1_HTML.jpg
Fig1
On low-power examination, hypocellular and hypercellular areas, composed of uniform, short spindle-shaped cells, proliferating in an edematous to fibrous stroma (Fig. 1).
Numerous small to medium-sized with thick and hyalinized walls
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PMC4893283_01_12907_2016_30_Fig2_HTML.jpg
Fig2
Numerous small to medium-sized thick-walled vessels were also seen (Fig. 2).
tumour cells exhibiting diffuse positivity with CD34
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PMC4893283_01_12907_2016_30_Fig4_HTML.jpg
Fig4
Immunohistochemical staining was positive for vimentin, CD34 (Fig. 4), focally for actin, and negative for protein S-100, and desmin.