Fig. 2From: Primary extraskeletal intradural Ewing sarcoma with acute hemorrhage: a case report and review of the literaturePhotomicrograph of resected samples. A High-power image of hematoxylin and eosin stain showing uniform small round cells with fine stippled chromatin, inconspicuous nucleoli, scant clear to eosinophilic cytoplasm, indistinct cytoplasmic membranes, and focal necrosis. Immunohistochemical findings revealed positive staining for B CD99 and C NKX2.2Back to article page