低剂量CT筛查肺癌之现状和展望附视频

被引:3
作者
鲍润贤
机构
[1] 天津市肿瘤防治重点实验天津医大附属肿瘤医院放射科
关键词
低剂量CT; 肺癌; 筛查;
D O I
暂无
中图分类号
R734.2 [肺肿瘤];
学科分类号
100117 [系统生物医学];
摘要
肺癌高居全球癌症死亡的首位。遗憾的是,因出现症状而就诊的肺癌多属晚期,预后甚差。肺癌筛查的想法可追溯到上世纪五十年代,摄胸片筛查了6 000名男性志愿者,虽生存期较有症状组稍有延长,但死亡率无明显差异。随着低剂量CT检查技术的开展,于上世纪九十年代中、晚期报道,用低剂量CT筛查有较高的早期肺癌检出率,使肺癌筛查重又燃起希望。但因这些筛查试验缺乏对照组,故不足以确定低剂量CT筛查是否能降低肺癌死亡率。文献中对仍有很多争论。为确定CT筛查是否真正有益,美国全国肺癌筛查试验及NELS0N试验进行之中,预计2010年可得出最终结果。肺癌筛查是一复杂的有争议的问题,通过CT筛查是否能实质性地降低肺癌死亡率,仍不清楚。尽管CT筛查充满希望,但仍存在一些问题有待解决,在采取大面积筛查前须对其有所了解。
引用
收藏
页码:301 / 307
页数:7
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