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Fig. 3 | BMC Ophthalmology

Fig. 3

From: Primary orbital extraskeletal osteosarcoma and review of literature

Fig. 3

a Hematoxylin-eosin staining with low-power view showing bizarre tumor cells and osteoid with atypical mitotic figures. (hematoxylin-eosin, original magnification× 200). b High-power view of the cellular area showing malignant spindle cells with abundant neoplastic bone and cartilage formation (hematoxylin-eosin, original magnification× 400). c-d Immunohistochemical examination showing positivity of tumor cells to S-100(c) and Vimentin (d) (original magnification× 400)

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