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目的 :探讨促纤维增生性小圆细胞肿瘤的诊断及鉴别诊断。方法 :通过 HE、免疫组化染色观察 1例腹腔内促纤维增生性小圆细胞肿瘤 ,并复习文献。结果 :肿瘤组织由小圆形瘤细胞巢及周围硬化性纤维间质所组成。免疫组化染色显示有上皮性、间叶性及神经性标记物共同表达。结论 :促纤维增生性小圆细胞肿瘤是一种特殊的高度恶性肿瘤。
Objective: To investigate the diagnosis and differential diagnosis of fibroproliferative small round cell tumors. Methods : One case of intraperitoneal fibroproliferative small round cell tumor was observed by HE and immunohistochemical staining. The literature was reviewed. Results: The tumor tissue consisted of small round tumor cell nests and surrounding sclerotic fibrous stroma. Immunohistochemical staining showed that epithelial, mesenchymal and neurogenic markers were co-expressed. Conclusion : The fibroproliferative small round cell tumor is a special kind of high malignant tumor.