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endobronchial ultrasound-guided transbronchial needle aspiration Increases the Yield of transbronchial Lung Biopsy for the Evaluation of Peribronchial Lesions

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Chinese Medical Journal 2017年第1期130卷 11-14页

作者： Cheng Chen Chuan-Yong Mu Mei-Qin Su Jing-Yu Mao Ye-Han Zhu Jian-An Huang Respiratory Department The First Affiliated Hospital of Soochow University Suzhou Jiangsu 215006 China Institute of Respiratory Diseases Soochow University Suzhou Jiangsu 215007 China

Background： Due to absence of visible endobronchial target, the diagnostic yield of flexible bronchoscopy for peribronchial lesions has been unsatisfactory. Convex probe endobronchial ultrasound （CP-EBUS） has allowed for performing real-time transbronchial needle aspiration （TBNA） of enlarged hilar and mediastinal lymph nodes and therefore could also be used as a means of diagnosing proximal peribronchial lesions. Methods： We retrospectively analyzed the results related to 72 patients who underwent CP-EBUS for peribronchial lesions without endobronchial involvement and adjacent to three-grade bronchi based on chest computed tomography （CT） scan. We recorded the images during EBUS as well as the diagnostic results of TBNA and conventional-transbronchial lung biopsy/brush （C-TBLB/b）, and final diagnoses were based on pathologic analysis and follow-up. Results： In all cases, the mass was able to be identified using EBUS in 97.2% patients （70/72） who were performed with EBUS-TBNA ＋ C-TBLB/b. Sixty-six patients had a final diagnosis, 80.0% patients （56/70） had malignancies, and 14.3% patients （10/70） had benign disease. In malignancies, the diagnostic yield of C-TBLB/b was 57.1% （32/56） and in EBUS-TBNA was 85.7% （48/56）, whereas pathologic diagnosis reached 94.6% when EBUS-TBNA was combined with C-TBLB/b. C-TBLB/b ＋ EBUS-TBNA also exhibited stronger potency of histolytic diagnosis for malignancies than either EBUS-TBNA or C-TBLB/b alone. Furthermore, there are data supporting the value of EBUS-TBNA for the diagnosis of benign lung disease. Conclusion： The combined endoscopic approach with EBUS-TBNA and C-TBLB/b is an accurate and effective method for the evaluation of peribronchial lesions, with better results than using each technique alone.

关键词： endobronchial ultrasound transbronchial needle aspiration Peribronchial Lesions transbronchial Lung Biopsy

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