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小细胞肺癌化疗后肿瘤体积变化规律及影响因素 被引量:7

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摘要 目的通过分析小细胞肺癌(SCLC)化疗后肿瘤体积的变化规律及可能影响其变化的相关因素,为诱导化疗的最佳周期数选择及放射治疗的最佳介入时机提供理论依据。方法回顾性分析行多周期诱导化疗的首诊SCLC患者的疗效。使用治疗计划系统自带体积测量软件及Image J图像处理软件测量肿瘤体积,分析诱导化疗不同周期后的体积变化情况,并分析可能的影响因素(性别、年龄、大体类型、患者ECOG评分、化疗前肿瘤体积、T分期)对其的影响。结果 (1)共有34例SCLC患者入组,化疗前和化疗1、2、3、4、5、6个周期后的肿瘤绝对体积分别为63 002.89(18 488.99,130 598.54)、40 523.12(12 083.03,77 139.65)、12 145.31(2 758.06,67 560.39)、18 141.67(4 498.78,7 0062.25)、13 864.67(2 940.28,71 071.43)、20 964.56(1 854.63,85 806.55)和19 600.00(5 698.36,151 165.90)mm3。(2)化疗前和化疗1个周期后绝对体积之间差异有统计学意义(t=3.157,P=0.004),两组的相对体积(假定化疗前肿瘤体积为1)差异也有统计学意义(t=3.312,P=0.003),第3周期较第2周期化疗无效例数明显升高(P=0.025),其他各相邻周期间差异无统计学意义。(3)logistic回归分析发现,T分期(2=5.512,P=0.019,OR=0.099)是SCLC化疗1个周期后肿瘤消退率的独立影响因素。结论SCLC患者多周期化疗后体积变化呈现一定的规律。化疗1个周期后SCLC平均原发灶肿瘤体积明显下降,化疗3个周期后可能出现反弹。若采用诱导化疗,1个周期即可。T3-4期较T1-2期的第1周期肿瘤退缩效果相对较好。
出处 《广东医学》 CAS 北大核心 2015年第1期85-88,共4页 Guangdong Medical Journal
基金 福建省自然科学基金资助项目(编号:2012J01338) 福建省医学创新课题(编号:2012-CX-20) 福建省卫生厅青年科研课题(编号:2013-1-30)
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参考文献8

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