PMC5571497_01
Angiosarcoma undifferentiated. Note the presence of anarchic vascular elements not very differentiated with mitoses (arrow) (HE, G X 200 and 400)
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Fig1
As diagnostic hypotheses, we primarily reported angiosarcoma followed by hemangiopericytoma (Fig. 1).
Factor VIII evidence in immunohistochemistry (arrow) (G X 400)
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Fig2
The result of immunohistochemistry analysis was CD31+, CD34+, and Factor VIII+ (Figs. 2, 3 and 4).
Evidence for CD34 tumor markers in immunohistochemistry (arrow) (G X 400)
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Fig3
The result of immunohistochemistry analysis was CD31+, CD34+, and Factor VIII+ (Figs. 2, 3 and 4).
Evidence for CD34 tumor markers in immunohistochemistry (G X 400)
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Fig4
The result of immunohistochemistry analysis was CD31+, CD34+, and Factor VIII+ (Figs. 2, 3 and 4).