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EBV阳性弥漫大B细胞淋巴瘤18例临床病理分析 被引量:9

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摘要 目的观察EBV阳性弥漫大B细胞淋巴瘤(diffuse large B cell lymphoma,DLBCL)的临床病理特点并探索可能的预后相关因素。方法回顾性分析2012年~2017年间福建医科大学附属协和医院诊断的18例EBV阳性DLBCL病例临床特点、病理形态、免疫表型及EBER原位杂交等相关资料,并随访患者,采用Kaplan-Meier法进行生存分析。结果EBV阳性DLBCL仅占EBV感染状态明确DLBCL病例的3.7%(18/483);发病年龄33~79岁,中位发病年龄69岁;男女比为2.6∶1;50岁以下的患者仅4例(22%,4/18);发病部位以淋巴结病变为主;临床上多数患者血常规表现为贫血、白细胞减少或血小板减低,血乳酸脱氢酶水平明显增加;9例血清EBV DNA载量明显升高(64.3%,9/14);肿瘤细胞形态以多形性为主(88.9%,16/18)。免疫表型非生发中心起源型(non-germinal center origin subtype,non-GCB型)稍多(55.5%,10/18),多数病例表达CD30(62.5%,10/16);患者随访2~47个月,8例死亡,7例存活,3例失访,中位生存时间为16个月;发病部位的不同与患者生存时间的长短有一定的关系(P=0.022)。结论EBV阳性DLBCL是一类以老年男性为主、淋巴结病变多见的高侵袭性淋巴瘤,病理以多形性型及non-GCB免疫表型为主,总体病死率高,仅发生淋巴结病变的患者预后相对更差。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2019年第8期953-956,共4页 Chinese Journal of Clinical and Experimental Pathology
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