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非小细胞肺癌EGFR表达与临床分期放射敏感性关系的研究 被引量:1

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摘要 目的探讨非小细胞肺癌表皮生长因子受体表达与临床分期、放射敏感性的关系。方法56例无远处转移经病理活检证实的非小细胞肺癌患者,行三维适形放射治疗,放射剂量60~70Gy/30~35F/6~7weeks。放疗结束前后CT胸部增强扫描。病理切片用免疫组化染色法检测EGFR表达情况。结果NSCLC患者EGFR表达水平明显高于正常肺组织(18.8%)(P<0.01),EGFR表达与年龄、性别、病理分类、组织分化程度无关(P>0.05),与TNM分期、淋巴转移显著相关(P<0.01),EGFR的表达与肿瘤消退CR呈负相关(P<0.05)。结论EGFR过度表达可降低肿瘤的放射敏感性,是影响预后的因素之一。提示可以将EGFR作为提高肿瘤敏感性的治疗靶点,为EGFR酪氨酸激酶抑制剂将分子靶向性药物协同放疗治疗NSCLC提供了初步的临床证据。放疗前评估肿瘤EGFR表达水平可以作为预测放疗疗效的指标之一。
出处 《广州医药》 2007年第5期21-23,共3页 Guangzhou Medical Journal
基金 广州市医药卫生科技项目(2005-YB-013)
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同被引文献18

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