Conclusions CT guided TCNB is a safe reliable method with high accuracy in diagnosis and less complications especially for non lung cancer malignancy and benign lesions .

结论CT 导引下 经 胸 组织 芯肺 活检是一种安全、可靠的 检查方法，诊断准确率高，特别是在非肺癌的恶性病变和良性肺疾病的 特异性诊断中有较高的 应用 价值。

Objective To evaluate the diagnostic value of CT guided percutaneous transthoracic core needle biopsy ( TCNB ) .

目的探讨CT导引经胸组织芯活检（ TCNB）的临床应用价值。