Abstract
目的了解CARD11在弥漫大B细胞淋巴瘤(DLBCL)中的表达情况及其与预后的关系。方法收集经福尔马林固定、石蜡包埋的DLBCL患者治疗前淋巴结活检病理标本及临床资料,对标本进行组织芯片制备,并采用EnVision两步法对CARD11进行免疫组化染色,同时利用Hans法(CD10、BCL6、MUM1)对DLBCL标本进行分型。分析CARD11表达与患者特征及预后的关系。结果共纳入79例初治DLBCL患者,采用2例反应性增生患者的淋巴结标本作为对照。对77例患者进行生存分析,75例患者可判定CARD11表达结果。在DLBCL组织的肿瘤细胞中,CARD11表达阳性率为65.33%(49/75)。CARD11与患者特征均无显著相关性。CARD11阳性组2年无事件生存(EFS)率低于阴性组(52.03%对86.12%,P=0.036)。在国际预后指数3~5分的患者中CARD11阴性组与阳性组的中位EFS率差异有统计学意义(未达到对18.7个月,P=0.033)。CARD11不是影响预后的独立危险因素。结论在DLBCL中,CARD11阳性患者EFS时间显著短于CARD11阴性患者,在国际预后指数高中危和高危的患者中,这种差异依然存在,提示CARD11有助于对高危DLBCL患者进一步进行预后分层。
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