本文探讨低剂量螺旋CT在健康体检中对早期周围型肺癌筛查的应用价值。1临床资料1.1一般资料从我院2011年1月开始至2015年7月的企事业单位及个人健康体检人数中,共6200例,经低剂量螺旋CT体检。男4150例,女2050例,年龄35~75岁,均为健康体检人群。采用德国GE螺旋CT扫描,扫描参数:管电压120kV,管电流60mAs,层厚5mm,层间隔5mm,螺距 This article discusses the application of low-dose spiral CT in early detection of peripheral lung cancer in healthy physical examination. 1 Clinical data 1.1 General Information From our hospital from January 2011 to July 2015 in the number of enterprises and individuals health examination, a total of 6,200 cases, low-dose spiral CT examination. 4150 males and 2050 females, aged 35 to 75 years old, are healthy people. Germany GE spiral CT scan, scanning parameters: tube voltage 120kV, tube current 60mAs, layer thickness 5mm, layer spacing 5mm, pitch