A Rare Case of Gastric Metastasis in Ewing’s Sarcoma of the Femur

Figure 4

Histopathological images. (a) Hematoxylin and eosin (H&E) 200x magnification. Photomicrograph shows diffuse sheets of tumour cells. (b) H&E 400x uniform cells with round nuclei; small nucleoli with scant-to-moderate clear cytoplasm. (c) Immunohistochemistry (IHC) staining for CD99 shows crisp cytoplasmic membrane staining. (d) IHC for FLI-1 shows moderate nuclear staining in the tumour cells.

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