低剂量螺旋CT筛查早期肺癌的研究进展

被引:22
作者
王威清
熊曾
刘进康
机构
[1] 中南大学湘雅医院放射科
基金
湖南省自然科学基金;
关键词
低剂量螺旋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
肺癌是目前世界范围内发病率和死亡率最高的恶性肿瘤,因出现症状而就诊的肺癌多属晚期,预后甚差,因而通过筛查发现早期肺癌成为改善肺癌预后的关键。低剂量螺旋CT(LDSCT)是目前肺癌筛查中最有前景的一种方法,具有辐射剂量小、敏感性高、筛查程序相对确定等优点。但也存在有效性不确定,稳定性不高,存在过度诊断,良恶结节定性困难,成本-效益尚有争论,人群的依从性不确定等问题。LDSCT需要解决这些问题,并通过循证医学的论证,成为公认有效的早期肺癌筛查手段,才能大规模地应用于临床。
引用
收藏
页码:146 / 149
页数:4
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