Methods Thirty-nine patients which were performed percutaneous automatic gun biopsy of pulmonary or mediastinal lesions by SCT-guided three-dimensional reconstruction and multipoint orientation.

• 方法39例肺内病变或纵隔内病变患者；在螺旋CT引导下三维重建、多点定位；应用自动活检枪取材。所有病例行组织学检查。结果本组2例出现气胸；发生率为5.；1%25;