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Figure 3: (a) Photomicrograph showing reticulin fibers restricted to the sarcomatous component with intervening reticulin-poor gial component (reticulin ×200) (b) Photomicrograph showing area with high Ki-67 index (immunoperoxidase ×400) (c) Photomicrograph showing GFAP-positive glial component alternating with GFAP-negative sarcomatous component (immunoperoxidase ×400) (d) hotomicrograph showing strong vimentin positivity in both components (immunoperoxidase ×400)

Figure 3: (a) Photomicrograph showing reticulin fibers restricted to the sarcomatous component with intervening reticulin-poor gial component (reticulin ×200) (b) Photomicrograph showing area with high Ki-67 index (immunoperoxidase ×400) (c) Photomicrograph showing GFAP-positive glial component alternating with GFAP-negative sarcomatous component (immunoperoxidase ×400) (d)  hotomicrograph showing strong vimentin positivity in both components (immunoperoxidase ×400)