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肺腺癌EML4-ALK融合基因的检测及其临床病理特征

, PP. 200-203

Keywords: 肺腺癌,间变性淋巴瘤激酶,基因重排

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Abstract:

目的探讨荧光原位杂交(FISH)和免疫组化(IHC)两种方法筛选肺腺癌ALK基因突变患者的敏感性和一致性,并讨论ALK基因突变亚型的临床病理特征。方法收集2012年1月~2013年12月收治的肺腺癌患者标本60例,采用FISH和IHC(克隆号D5F3)检测ALK基因重排状态。结果FISH检测发现11.7%(7/60)的患者发生了ALK基因重排,IHC检测发现13.3%(8/60)的患者有ALK蛋白的表达,以FISH为标准检测方法,则IHC检测ALK突变的敏感性和特异性分别是100%和98.3%,与FISH的一致性达98.4%。ALK基因重排患者年龄偏小,且均为EGFR野生型。结论采用D5F3抗体Ventanna系统进行ALK初筛,再联合FISH进行确认是一种经济、可靠的筛选ALK基因重排肺腺癌的方法。

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