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本文对经超声导引纤维支气管镜针吸活检（UffeNA）与普通经纤维支气管外吸活检（TB．NA）就其对检出肿瘤累及的纵隔淋巴结的敏感性以及为明确诊断而作出的穿刺次数进行了对比研究。方法洲例共进行82例次支气管镜检查，术前常规造影剂增强CT检查均发现至少有1个纵隔淋巴结的短轴
This article describes the sensitivity of ultrasound-guided bronchoscopic needle aspiration biopsy (UffeNA) and ordinary transbronchial extracorporeal biopsy (TB.NA) for the detection of tumor-associated mediastinal lymph nodes and the number of punctures made for a definitive diagnosis. A comparative study was conducted. METHODS: A total of 82 bronchoscopic examinations were performed in the Chauzhou case. Conventional pre-operative contrast agent-enhanced CT examination revealed that there was at least 1 short axis of mediastinal lymph nodes.