...室资料进行诊断，仍有难以诊断的肺部弥漫性病变，经支气管镜进行支气管肺泡灌洗和经支气管镜肺活检(transbronchial lung biopsy, TBLB)，以明确病因为目前最常用的方法。
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目的探讨数字减影(DSA)定位下经支气管镜肺活检(TBLB)对肺部周围型病变的诊断价值。
To estimate the diagnostic value of transbronchial lung biopsy (TBLB) under digital subtraction angiography (DSA) in peripheral lung lesions.
目的：探讨数字减影（DSA）定位下经支气管镜肺活检（TBLB）对肺部周围型病变的诊断价值。
Objective: To estimate the diagnostic value of transbronchial lung biopsy(TBLB) under digital subtraction angiography(DSA) in peripheral lung lesions.
结论经支气管镜肺活检检查是确诊周围型肺癌的重要手段之一，联合应用多种取材方法和技术可提高周围型肺癌的诊断准确率。
Conclusion Transbronchial lung biopsy is an important method in diagnosing of peripheral lung cancer. Combination of TBLB can increase the diagnostic positive rate of peripheral lung cancer.
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