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炎性假瘤样滤泡树突状细胞肉瘤8例临床病理分析 被引量:2

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摘要 目的探讨炎性假瘤样滤泡树突状细胞肉瘤(inflammatory pseudotumor-like follicular dendritic cell sarcoma,IPT-like FDCS)的临床病理学特征、免疫表型、诊断、治疗及预后。方法回顾性分析8例IPT-like FDCS的临床病理学特征、免疫表型、EBER检测、PBRM1和NTRK2突变、治疗和预后,并复习相关文献。结果8例中女性6例,男性2例,年龄31~71岁,平均54.1岁,中位年龄58.5岁。5例肿瘤发生于脾脏,3例发生于肝脏。肿瘤最大径1.5~10 cm。免疫表型:CD21(8/8)、CD35(8/8)、CD23(6/8)、vimentin、SMA和S-100蛋白均阳性。8例EBER原位杂交均阳性。其中1例肿瘤出现淋巴结转移,随访3年后复发,行二代测序检测发现伴PBRM1和NTRK2突变。8例均行手术切除,其中1例复发后行二次肿瘤切除并化疗。8例获得随访,时间6~42个月,7例患者无瘤生存,1例复发后继续化疗。结论IPT-like FDCS形态学特点与炎性假瘤和炎性肌纤维母细胞瘤相似,易误诊,免疫组化及EBER原位杂交检测可协助诊断;IPT-like FDCS手术切除后预后较好,少数病例术后易复发,需长期随诊、及时治疗。
出处 《临床与实验病理学杂志》 CAS 北大核心 2023年第3期363-366,共4页 Chinese Journal of Clinical and Experimental Pathology
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