低剂量和常规剂量螺旋CT胸部平扫对肺部结节显示的差异分析
24-row spiral CT low-dose scan of pulmonary nodules and the diagnostic value of early lung cancer
黄嘉本 1农凡平 1胡意扬 1赵贞翔1
作者信息
- 1. 533000 广西壮族自治区百色市中医医院影像科
- 折叠
摘要
目的 探讨早期肺癌中 24 排螺旋CT低剂量扫描的应用价值.方法 取 2022 年 1 月至 2023年 10 月我院接收的 42 例肺结节及早期肺癌患者.入选患者均接受 24 排螺旋CT常规剂量和低剂量扫描,分析、比较其扫描结果.结果 2 组肺结节直径及其检出率比较差异无统计学意义(P＞0.05);低剂量组确诊率较常规剂量组高,而漏诊率低(P<0.05);2 组图像优良率比较差异无统计学意义(P＞0.05);低剂量组的最小红斑量(MERD)、剂量长度乘积(DLP)、扫描总电流时间积(mAs)及权重CT剂量指数(CTDIW)指标均较常规剂量组低,而有效扫描mAs指标则较高(P<0.05).结论 在肺部结节和早期肺癌诊断中,24 排螺旋CT低剂量扫描可提高肺结节检出率,且辐射损害小,利于后期方案的针对性实施.
Abstract
Objective To investigate the application value of 24-slice spiral CT low-dose scanning in early lung cancer.Methods From January 2022 to October 2023,42 patients with lung nodules and early lung cancer were selected.All the enrolled patients received 24-slice spiral CT conventional dose and low-dose scanning,and the scanning results were analyzed and compared.Results There was no difference in lung nodule diameter and detection rate between the two groups(P＞0.05).The diagnosis rate of low-dose group was higher than that of conventional dose group,but the missed diagnosis rate was lower(P<0.05).There was no difference between the two components(P＞0.05).MERD,DLP,total mAs and CTDIW indexes in low-dose group were lower than those in conventional dose group,while mAs indexes in effective scan were higher(P<0.05).Conclusion In the diagnosis of pulmonary nodules and early lung cancer,low-dose 24-hour spiral CT scanning can improve the detection rate of pulmonary nodules and reduce radiation damage,which is conducive to the targeted implementation of later plans.
关键词
肺肿瘤/体层摄影术,螺旋计算机/低剂量扫描/肺部结节/检出率Key words
Lung neoplasms/Tomography,spiral computed/Low-dose scanning/Pulmonary nodules/Detection rate引用本文复制引用
出版年
2024
NETL
NSTL
维普
万方数据