• Fu Rong, Shu-Hua Xiao, Jing Liu, Ying-Xiong Li, Hua-Yu Mai, and Yan-Shan Lu.
• The First People's Hospital of Shunde, Guangdong 528300, China.
• Zhonghua Jie He He Hu Xi Za Zhi. 2011 Feb 1;34(2):120-2.

ObjectiveTo compare the diagnostical yields and complication of conventional transbronchial needle aspiration (TBNA) and endobronchial ultrasound guided transbronchial needle aspiration (EBUS-TBNA) for the mediastinum lesions under the same condition.MethodNinety-five patients with mediastinal lesions on chest CT were included. Bronchoscopy was performed under the local anesthesia, TBNA, EBUS-TBNA performed sequentially as a single combined procedure.ResultsOf the 71 patients confirmed to be malignant, the positive rate of TBNA was 92% (65/71), and 96% (68/71) by EBUS-TBNA. There was no difference in malignant and benign lesions between conventional TBNA and EBUS-TBNA, but the success rate for obtaining adequate samples was higher by EBUS-TBNA (39/95) as compared to TBNA (22/95). Accidental injury of the blood vessels occurred in 7 cases by TBNA as compared to 3 cases by EBUS-TBNA, but the difference was not significant.ConclusionSatisfactory diagnostic yields can be obtained by either conventional TBNA or EBUS-TBNA in skilled hands.

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