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Fig. 2 | BMC Surgery

Fig. 2

From: Primary Ewing sarcoma/peripheral primitive neuroectodermal tumors in the cranial bone and mobile spine: what is the difference?

Fig. 2

Histopathological, immunohistochemical, and cytogenetic examination of bony ES/pPNET. a Small, round-to-oval tumor cells with prominent perivascular arrangement (hematoxylin–eosin-stained, × 100). b Immunohistochemical staining showed strong positivity for CD99 (× 100). c Immunohistochemistry utilizing anti-MIB-1 (Ki-67) antibodies revealed a high proliferative index (× 100). d Representative image of FISH labeling using EWS break-apart probes

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BMC Surgery

ISSN: 1471-2482

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