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  Indian J Med Microbiol
 

Figure 2: (a) Hematoxylin and eosin-stained slide of the specimen showing highly polymorphic cells arranged in sheets separated by connective tissues septa. Note the abundance of mitotic figures with marked pleomorphism, anaplasia, and hyperchromasia (×40). (b) Specimen slide showing marked CD99 positivity with diffuse cytoplasmic staining. Note the rosette formation of cells (×10). (c) Specimen slide depicting marked CD99 positivity with a majority of tumor cells depicting features of small round cells (×40)

Figure 2: (a) Hematoxylin and eosin-stained slide of the specimen showing highly polymorphic cells arranged in sheets separated by connective tissues septa. Note the abundance of mitotic figures with marked pleomorphism, anaplasia, and hyperchromasia (×40). (b) Specimen slide showing marked CD99 positivity with diffuse cytoplasmic staining. Note the rosette formation of cells (×10). (c) Specimen slide depicting marked CD99 positivity with a majority of tumor cells depicting features of small round cells (×40)