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目的探讨淋巴结内栅栏状肌纤维母细胞瘤的临床病理学特征及诊断、鉴别诊断要点。方法对1例淋巴结内栅栏状肌纤维母细胞瘤进行临床病理学、免疫组化及电镜研究。结果患者男性,51岁。临床上发现右腹股沟包块8年。组织学:梭形细胞交织束状、栅栏状排列,细胞之间存在石棉样纤维。免疫组化:S-100(-),FN和actin(+)。结论淋巴结内栅栏状肌纤维母细胞瘤是主要发生于成人淋巴结内的罕见的良性间叶性肿瘤,手术切除后不复发、不转移,预后良好。
Objective To investigate the clinicopathological features and diagnostic and differential diagnosis of Fibroblastoma in lymph nodes. Methods One case of FML with FAG was studied by clinicopathological, immunohistochemical and electron microscopy. Results The patient was male, 51 years old. Clinically found right groin mass 8 years. Histology: spindle-shaped cells intertwined bundle, palisading arrangement, asbestos-like fibers between cells. Immunohistochemistry: S-100 (-), FN and actin (+). Conclusion Fibroblastoma in lymph nodes is a rare benign mesenchymal tumor mainly occurring in adult lymph nodes. After resection, it does not recur and metastasis, and the prognosis is good.