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Fig. 3 | Diagnostic Pathology

Fig. 3

From: Primary mediastinal clear cell sarcoma: a case report and review of the literature

Fig. 3

a Immunohistochemical examination showed positive expression of vimentin (magnification × 400). b Immunohistochemical examination showed positive expression of HMB45 (magnification × 400). c Approximately 30% of the tumour cells were positive for the proliferation marker (Ki67, magnification × 200). d Dual color interphase fluorescence in situ hybridisation utilizing the EWSR1 break-apart probe. Split red and green signals within a single cell demonstrated the presence of a EWSR1 rearrangement (indicated by white arrows)

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