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  Indian J Med Microbiol
 

Figure 6: Primitive neurectodermal tumor. (a) Uniformly small hyperchromatic cells in sheets (H and E, ×200); (b) CD99 expression by tumor cells (IHC stain, CD99, ×200)

Figure 6: Primitive neurectodermal tumor. (a) Uniformly small hyperchromatic cells in sheets (H and E, ×200); (b) CD99 expression by tumor cells (IHC stain, CD99, ×200)