Abstract
Endoscopic ultrasound guided fine needle aspiration (EUS-FNA) has been used for lung cancer staging and diagnosis since ‘90s. However, the usefulness of EUS-FNA has not been addressed in the lung cancer field due to the limited accessibility to mediastinal lymph nodes and the low availability of the technique by thoracic physicians. The development of endobronchial ultrasound guided-transbronchial needle aspiration (EBUS-TBNA) changed the staging process of lung cancer markedly. EBUS-TBNA, which can target mediastinal nodal stations accessible by cervical mediastinoscopy, has replaced standard cervical mediastinoscopy.
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