低剂量多层螺旋CT在早期肺癌普查中的应用  

Application of low-dose multi-slice spiral CT in early lung cancer screening

作　　者：胡秋根[1] 岑玉坚[1] 黎冠峰[1] 崔冰[1] 

机构地区：[1]佛山市顺德第一人民医院放射科,广东省佛山528300

出　　处：《中国基层医药》2010年第13期1770-1772,1875,共4页Chinese Journal of Primary Medicine and Pharmacy

摘　　要：目的 探讨低剂量多层螺旋CT对高危人群普查早期肺癌的价值.方法 对无症状1200例体检者进行低剂量多层螺旋CT检查.体检者为年龄40岁以上,男女不限,有无抽烟不限.采用120 Kv,30 mAs低剂量多层螺旋CT扫描.结果 低剂量多层螺旋CT共检出钙化性结节32例,18例非钙化性结节,其中恶性3例,包括1例非实性结节,2例实性结节.肺癌的检出率为0.25%.结论 低剂量多层螺旋CT可以有效地观察肺内结节,并对肺内结节进行分类、定性,可用于高危人群普查,以发现早期肺癌.Objective To evaluate the prevalence rate of pulmonary malignant disease in people at high risk of lung cancer through low-dose multi-slice spiral CT. Methods 1 200 symptom-free volunteers were under low-dose spiral CT scans in an on-going screening study. The people tested aged 40 or older regardless of their gender or smoking history. Low-dose CT scans were performed with Iightspeed Plus multi-slice scanner using spiral mode, 120 kV,30 mAs. Results Calcified nodules were detected in 32 participants and non-calcified nodules were detected in 18 participants by low-dose CT,in which 3 were vicious ones,including 1 non-solid lesion and 2 solid lesions. The detection rate of lung cancer was 0. 25%. Conclusion Low-dose multi-slice spiral CT was effective in detecting, classifying and defining lung nodules,and furthermore would make it possible to find lung cancer at earlier stage.

关 键 词：肺肿瘤 体层摄影术 X线计算机 普查 

分 类 号：R730[医药卫生—肿瘤] R734[医药卫生—临床医学]