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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Primary intradural extramedullary spinal mesenchymal chondrosarcoma: case report and literature review

Fig. 2

a At the × 100 magnification, the tumor is hypercellular and composed of spindle and round cells with a high nucleocytoplasmic ratio accompanied by scattered eosinophilic chondroid matrix. b At the × 200 magnification, the tumor cells have ovoid to round nuclei and inconspicuous cytoplasm, arranged in vague fascicles. Note the eosinophilic chondroid matrix (left field). c RT-PCR confirmed the presence of HEY1-NCOA2 fusion

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