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CT引导下经皮肺穿刺活检术是诊断肺部恶性肿瘤的重要手段。本文收集了25例，兹分析总结如下。一、资料与方法（一）临床资料：男性16例，女性9例；年龄35～70岁，平均52．6岁。临床表现：咳嗽13例，血丝痰9例，胸痛、胸闷不适12例，19例发生远处转移。25例摄胸正侧位片，并行胸
CT-guided percutaneous transthoracic needle biopsy is an important method for diagnosing malignant lung cancer. This article has collected 25 cases, which are summarized as follows. First, data and methods (a) clinical data: 16 males and 9 females; aged 35 to 70 years, mean 52.6 years old. Clinical manifestations: 13 cases of cough, 9 cases of fibrin fistula, chest pain, chest discomfort in 12 cases, 19 cases of distant metastasis. 25 cases of chest and lateral radiographs, parallel chest