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目的探讨荧光原位杂交(fluorescence in situ hybridization,FISH)和实时荧光定量逆转录聚合酶链反应(realtime quantitative reverse transcriptase-polymerase chain reaction,RT-PCR)技术检测非小细胞肺癌中间变性淋巴瘤激酶(anaplastic lymphoma kinase,ALK)突变的差异性。方法应用FISH及RT-PCR技术分别检测22例非小细胞肺癌中ALK基因突变,采用Spearman Co