Multipanel Figure 3:
Figures 3 A: A striking peliotic pattern was focally noted( Hematoxylin and eosin, magnification × 40).
Figures 3 B: The epithelioid myoid cells had bland vesicular nuclei and a clear cytoplasm ( Hematoxylin and eosin, magnification × 400).
Figures 3 C: The epithelioid myoid cells had bland vesicular nuclei and eosinophilic cytoplasm. Note the melanin pigment( Hematoxylin and eosin, magnification × 400).
Figures 3 D: Immunohistochemical study showing positive immunostaining of the tumor cells with the HMB45 antibody, (Immunohistochemistry, magnification × 400).