本文通过对经纤维支气管镜检查及反复痰检未能确诊的230例患者行CT引导下肺穿刺活检,探讨CT引导下肺穿刺活检术的安全性及临床价值。1资料与方法1.1一般资料本组病例包括2004年7月至2009年12月门诊及住院病例共230例,经过纤维支气管镜及反复痰细菌学、细胞学检查临床未能明确诊 In this paper, CT-guided lung biopsy was performed in 230 patients who failed to be diagnosed by fiberoptic bronchoscopy and repeated sputum examination to explore the safety and clinical value of CT guided pulmonary biopsy. 1 Materials and Methods 1.1 General Information The group of patients, including July 2004 to December 2009 outpatient and inpatient cases a total of 230 cases, after fibrobronchoscopy and repeated sputum bacteriology, cytology clinically failed to clear the clinic