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Figure 5: (a) Immunohistochemical staining, ×100-Showing keratin positivity by large epitheloid cells. (b) Immunohistochemical staining, ×100-Showing mitosis in the tumor cells. (c) Immunohistochemical staining, ×100-Showing vimentin positivity in both the pigmented epithelioid and neuroblastic cells. (d) Immunohistochemical staining, ×100-Showing nuclear positivity to Ki-67

Figure 5: (a) Immunohistochemical staining, ×100-Showing keratin positivity by large epitheloid cells. (b) Immunohistochemical staining, ×100-Showing mitosis in the tumor cells. (c) Immunohistochemical staining, ×100-Showing vimentin positivity in both the pigmented epithelioid and neuroblastic cells. (d) Immunohistochemical staining, ×100-Showing nuclear positivity to Ki-67