肺滑膜肉瘤3例报道及文献复习
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摘要: 目的: 探讨肺滑膜肉瘤(SS)的临床表现、病理形态、影像学表现、免疫组织化学(免疫组化)、生物学行为和预后, 提高诊断水平。方法: 对3例肺SS的相关临床资料、CT特点、肿块大体特点及镜下特点, 结合免疫组化标记结果及预后进行分析总结。结果: 肺SS CT显示肺野密度不均匀的团块状阴影, 界尚清。镜下见肿瘤细胞呈梭形或胖梭形, 核呈梭形或卵圆形, 胞质少而不清晰, 瘤细胞间可见多少不等的胶原纤维。免疫组化结果EMA (+)、CK(+)、CD99(+)、Vim(+)。结论: 通过CT检查及免疫组化标记可以提高肺SS的诊断及鉴别诊断水平, 减少误诊。
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