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广西地区成熟T和NK细胞淋巴瘤与EB病毒感染的关系 被引量:3

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摘要 目的探讨成熟T和NK细胞淋巴瘤与EB病毒(EBV)感染的关系。方法用原位杂交法检测184例成熟T和NK细胞淋巴瘤EBER(EBV编码的小RNA)表达情况,统计不同类型成熟T和NK细胞淋巴瘤与EBV感染相关性。结果 184例成熟T和NK细胞淋巴瘤EBER阳性率为69%,EBER表达与组织学类型和发生部位有关(P<0.001),不同类型淋巴瘤EBER表达率不同:结外鼻型NK/T细胞淋巴瘤(ENKCL)为100%,EBER阳性细胞数超过30%;血管免疫母细胞性T细胞淋巴瘤(AITL)为83%,阳性细胞数不到10%,阳性细胞多为反应性B细胞;外周T细胞淋巴瘤,非特殊型(PT,NOS)为40%;肠病相关性T细胞淋巴瘤(EATL)为28%;间变性大细胞淋巴瘤(ALCL)ALK+为18%。结外成熟T和NK细胞淋巴瘤EBER表达率显著高于结区的(P<0.01),两组EBER阳性细胞及其分布也不同。结外EBER表达率为81%,阳性细胞多为肿瘤细胞,阳性细胞多超过30%;而结内者表达率为43%,阳性细胞多为母化的肿瘤细胞或反应性B淋巴细胞,阳性细胞不到10%。结论结外成熟T和NK细胞淋巴瘤发生与EBV感染密切相关,而结内成熟T和NK细胞淋巴瘤EBV感染可能为继发感染。检测肿瘤组织EBER表达有助于成熟T和NK细胞淋巴瘤的诊断和治疗。
出处 《广东医学》 CAS CSCD 北大核心 2012年第20期3105-3107,共3页 Guangdong Medical Journal
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