PMC5043388_01
Spindled and epithelioid cells with perivascular localisation.
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PMC5043388_01_gr1.jpg
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Histopathology report showed that all the tumors removed were of mesenchymal origin with epithelioid and necrotic characteristics (Fig. 1).
PMC5043388_02
Immunohistochemical stain HMB-45 positive.
gr2.jpg
PMC5043388_02_gr2.jpg
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Immunohistochemistry report was positive for the melanocytic marker HMB-45 (Fig. 2) and the smooth muscle markers SMA and desmin, while h-caldesmon marker was negative.