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乳腺癌术后患者调强放疗致放射性肺损伤的相关因素分析 被引量:9

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摘要 目的:分析影响乳腺癌术后患者调强放疗致放射性肺损伤的各种相关因素。方法:109例女性乳腺癌患者术后均接受调强放疗,根据是否发生放射性肺损伤进行回顾性对照研究,对年龄、手术方式、化疗周期数、临床分期及肺相关的物理学参数进行单因素及多因素分析。结果:109例患者中共有10例发生放射性肺损伤,放射性肺损伤发生率为9.17%(10/109)。单因素分析结果显示,化疗周期数(χ2=5.825,P<0.05)、患侧肺平均量(t=-4.011,P<0.05)、患侧肺V5(t=-2.771,P<0.05)、V10(t=-3.683,P<0.05)、V15(t=-4.113,P<0.05)、V20(t=-4.541,P<0.05)、V25(t=-2.747,P<0.05)与放射性肺损伤的发生有关。多因素分析结果显示,V20是放射性肺损伤的独立危险因素。以V20=29.03%为诊断界值点,对放射性肺损伤的预测灵敏度为80%,特异度为96%。结论:V20是乳腺癌术后患者调强放疗致放射性肺损伤发生的独立危险因素,V20=29.03%可以作为有效的剂量学指标来评估发生放射性肺损伤的风险。
出处 《广西医科大学学报》 CAS 2015年第1期83-86,共4页 Journal of Guangxi Medical University
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共引文献201

同被引文献97

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