ＣＴ引导经皮肺穿刺在临床上常用于孤立性肺结节的定性诊断 ,穿刺结果的准确性和操作时间的长短在很大程度上取决于ＣＴ扫描的方法和技巧。现将我们的一些作法和体会介绍如下。1.选择病人体位 :病人的体位可选择正位、侧位和斜位 ,但无论选择何种体位都要尽量使距病灶近的一侧 CT-guided percutaneous pulmonary puncture is commonly used in clinical diagnosis of solitary pulmonary nodules, puncture the accuracy of the results and the length of operation depends largely on the methods and techniques of CT scanning. Now some of our practices and experiences are introduced below. 1. Select the patient’s position: the patient’s position can choose orthographic, lateral and oblique position, but no matter what kind of position should be selected as far as possible from the side of the lesion