\n\n
大规模临床试验表明,应用 LDCT 对胸部作筛查扫描,能发现更多的早期可切除肺癌,尤其适用于高危人群的肺癌筛查。
\n\nLDCT 发现早期肺癌的敏感度是常规胸片的 4 ~10 倍,可以检出早期周围型肺癌。国际早期肺癌行动计划数据显示,LDCT 年度筛查能发现 85% 的 I 期周围型肺癌,术后 10 年预期生存率达 92% 。美国全国肺癌筛查试验证明,LDCT 筛查可降低 20% 的肺癌死亡率,是目前最有效的肺癌筛查工具。
\n\n美国国立综合癌症网络 (National Comprehensive Cancer Network,NCCN) 指南提出了肺癌筛查的风险评估因素,包括吸烟史(现在和既往)、氡暴露史、职业史、患癌史、肺癌家族史、疾病史(慢阻肺或肺结核)、烟雾接触史(被动吸烟暴露)。 风险状态分 3 组:
\n\nNCCN 指南建议高危组进行肺癌筛查。
\n\n我国 2015 中华医学会放射学分会心胸学组发布的“低剂量螺旋 CT 肺癌筛查专家共识”建议,在高危人群中进行肺癌筛查。高危人群是指:
\n\n我国目前在少数地区开展的癌症筛查与早诊早治试点技术指南中,推荐采用 LDCT 对高危人群进行肺癌筛查。
\n\n因此,LDCT 是早期肺癌诊断的一项重要措施,高危人群接受 LDCT 筛查是必要的。
\n\n关于LDCT筛查,如果您想了解更多,请阅读相关文章:
\n\n \n\n \n\n \n\n \n\n共同作者:广东省人民医院 广东省肺癌研究所 孙月丽医生 黎文峰医生
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