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肺癌患者血清肿瘤标志物与EGFR突变相关性研究 被引量:2

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摘要 目的探究肺癌患者血清细胞角蛋白19片段(CYFRA21-1)、神经元特异烯醇化酶(NSE)、鳞状上皮细胞抗原(SCC)浓度与EGFR(表皮生长因子受体)基因突变的关系,为EGFR基因突变提供可靠的预测指标。方法收集174例肺癌患者术前血清及术后肺癌组织;电化学发光法检测血清肿瘤标志物浓度,利用突变扩增阻滞系统(ARMS)检测肺癌组织EGFR基因突变;分析EGFR突变与肺癌患者临床病理特征的关系;分析血清肿瘤标志物与肺癌患者EGFR突变的关系。结果 174例肺癌患者中,78例发生突变,其中以19号外显子缺失(19-del)和21号外显子L858R突变为主;女性肺癌患者EGFR突变率显著高于男性患者(χ2=34.027,P=0.000),腺癌患者EGFR突变率显著高于鳞癌患者(χ2=34.027,P=0.002),非吸烟患者EGFR突变率显著高于吸烟患者(χ2=40.397,P=0.000);EGFR野生型肺癌患者血清CYFR21-1、NSE、SCC浓度显著高于EGFR突变者[4.80(2.50,8.30)ng/mL vs.2.50(1.90,4.60)ng/mL,P=0.000;13.05(10.63,18.35)U/L vs.11.00(9.20,13.10)U/L,P=0.010;1.00(0.70,1.58)ng/mL vs.0.70(0.55,1.00)ng/mL,P=0.000]。结论EGFR突变多发生在非吸烟女性腺癌患者,血清肿瘤标志物作为EGFR基因突变的预测指标具有一定的临床应用价值,值得扩大样本量进一步研究。
出处 《国际检验医学杂志》 CAS 2018年第20期2562-2565,共4页 International Journal of Laboratory Medicine
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