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  Indian J Med Microbiol
 

Figure 1: Case 1. (a) Tumor with peripheral bony spicules. Hematoxylin and Eosin (H and E), × 40. (b) Polygonal tumor cells in a fibromyxoid stroma. Inset: S100-P positivity. Diaminobenzidine (DAB), ×400. (c) Hypercellular tumor nodule (arrow). (H and E, ×200). (d) Tumor cells with hyperchromatic nuclei and scattered mitotic figures, Inset: MIB1/Ki67 highlighting 40% tumor nuclei. (DAB, ×200). (e) INI1/SMARCB1 immunopositivity. (DAB, ×200). (f) Case 2. Tumor with peripheral bone. Upper inset: tumor cells in cords and trabeculae. (H and E, ×200). Lower inset: S100-P positivity. (DAB, × 400)

Figure 1: Case 1. (a) Tumor with peripheral bony spicules. Hematoxylin and Eosin (H and E), × 40. (b) Polygonal tumor cells in a fibromyxoid stroma. Inset: S100-P positivity. Diaminobenzidine (DAB), ×400. (c) Hypercellular tumor nodule (arrow). (H and E, ×200). (d) Tumor cells with hyperchromatic nuclei and scattered mitotic figures, Inset: MIB1/Ki67 highlighting 40% tumor nuclei. (DAB, ×200). (e) INI1/SMARCB1 immunopositivity. (DAB, ×200). (f) Case 2. Tumor with peripheral bone. Upper inset: tumor cells in cords and trabeculae. (H and E, ×200). Lower inset: S100-P positivity. (DAB, × 400)