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Ⅳ期非小细胞肺癌胰岛素样生长因子-1受体的表达与预后关系

Expression of Insulin-like Growth Factor-1 Receptor in Non-small Cell Lung Carcinoma Stage Ⅳ and Its Relationship with Prognosis
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摘要 [目的]探讨胰岛素样生长因子1受体(IGF-1R)在非小细胞肺癌(NSCLC)中的表达及其临床预后价值。[方法]随访2001年7月至2004年6月细针穿刺或纤维支气管镜病理活检确诊为Ⅳ期NSCLC患者104例,并采用免疫组织化学法检测IGF-1R在NSCLC癌组织的表达情况,Spearman相关分析IGF-1R表达与NSCLC临床特征的关系,生存情况采用Kaplan-Meier分析,Log-rank显著性检验,P<0.05为有显著性差异;影响预后的多因素分析采用Cox比例风险模型。[结果]IGF-1R以细胞膜及胞浆混合型表达为主。NSCLC组织阳性表达率占75.96%,其中呈强阳性表达占38.46%,弱阳性表达占37.5%。Spearman相关分析显示IGF-1R表达与分化程度密切相关(P=0.04)。IGF-1R表达情况对Ⅳ期NSCLC生存期有影响,相对危险度5.15,P值为0.02。IGF-1R表达阴性病例组群曲线从随访的第10个月开始与表达阳性病例组群明显分离,P值为0.0297。[结论]IGF-1R是值得进一步关注的NSCLC的预后指标。
出处 《中国肿瘤》 CAS 2010年第10期689-692,共4页 China Cancer
基金 全军"十五"重点课题(041X012)
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参考文献8

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