case_images: PMC3162849_01
case_images: An expansile, lytic mass involving right zygoma and lateral wall of right orbit (Contrast enhancing computed tomography)
case_images: JOMFP-13-18-g001.jpg
case_images: PMC3162849_01_JOMFP-13-18-g001.jpg
case_images: F1
case_images: It had resulted in cortical thinning with discontinuity of the cortex at multiple sites [Figure 1].
case_images: Cytological smear showing pleomorphic round cells with pleomorphic nuclei and scanty cytoplasm (PAP stain, 1000x)
case_images: JOMFP-13-18-g002.jpg
case_images: PMC3162849_01_JOMFP-13-18-g002.jpg
case_images: F2
case_images: Cells showed scanty amount of cytoplasm with nuclear pleomorphism [Figure 2].
case_images: Round blue tumor cells infi ltrating the peripheral tissue with few infl ammatory cells. A bony spicule is seen on the top left side (H and E, 40x)
case_images: JOMFP-13-18-g003.jpg
case_images: PMC3162849_01_JOMFP-13-18-g003.jpg
case_images: F3
case_images: The nuclei were large, vesicular, and almost occupying the cell [Figure 3].
case_images: Small sheets of round blue tumor cells with thin connective tissue septa and capillaries in between (H and E, 100x)
case_images: JOMFP-13-18-g004.jpg
case_images: PMC3162849_01_JOMFP-13-18-g004.jpg
case_images: F4
case_images: Thin connective tissue septa with capillaries were seen in between sheets of round cells [Figure 4].
case_images: High power field demonstrates pleomorphic round cells with large vesicular nuclei and scanty cytoplasm (H and E, 400x)
case_images: JOMFP-13-18-g005.jpg
case_images: PMC3162849_01_JOMFP-13-18-g005.jpg
case_images: F5
case_images: The section of the peripheral tumor tissue showed connective tissue with few inflammatory cells, some bony spicules, infiltrated by small, round neoplastic cells [Figure 5].
case_images: Round cells showing immunopositivity for vimentin (IHC, 400x)
case_images: JOMFP-13-18-g006.jpg
case_images: PMC3162849_01_JOMFP-13-18-g006.jpg
case_images: F6
case_images: The neoplastic cells were immunopositive for vimentin and MIC-2 [Figure 6, Figure 7].
case_images: Immunohistochemical expression of MIC-2 in cytoplasm of tumor cells (IHC, MIC-2 400x)
case_images: JOMFP-13-18-g007.jpg
case_images: PMC3162849_01_JOMFP-13-18-g007.jpg
case_images: F7
case_images: The neoplastic cells were immunopositive for vimentin and MIC-2 [Figure 6, Figure 7].