Immunohistochemical staining showed cytokeratin ( CK ), epithelial membrane antigen ( EMA ), vimentin ( Vim ), S - 100 was positive. Conclusion : Epithelioid sarcoma is an unusual malignant tumor.

免疫组化示细胞角蛋白 ( Cytokeratin, CK ), 上皮膜抗原 ( epithelialmembraneantigen,EMA ), 波形蛋白 ( vimentin, Vim), 和S -100 蛋白(S-100 ) 阳性.

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