Figure 2.
Pathological examination. (A) H&E×200/400 cell block shows small round tumour cells; (B) CD99(+)×200/400; (C) AE1/AE3(-)×200/400 (D) TTF-1(-)×200/400 (E) Ki67(appro. 80%+×400); (F) FISH shows EWSR1 gene rearrangement.
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