Clinicopathological analysis of EWSR1/FUS::NFATC2 rearranged sarcoma in the left forearm: A case report

Figure 1 Immunohistochemically, the tumor cells were positive for Vimentin, CD99, NKX2. 2, NKX3.1, INI-1, CyclinD1 and FLI1, and focally positive for epithelial membrane antigen. A: Immunohistochemistry showed a small number of epithelial membrane antigen positives in tumor cells; B: The tumor cells were diffusely positive for Vimentin; C: About 25% of the tumor cells were positive for Ki67; D: Tumor cells were also permeated with CD99 positivity; E-I: Positive for INI1, FLI1, NKX2.2, NKX3.1, and CyclinD1, respectively. Scale bars are in the lower left corner of each image (original magnification, 630 ×).