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In potentially resectable non-small cell lung cancer (NSCLC) accurate mediastinal staging is crucial not only to offer the optimal management but also to avoid unnecessary surgery. Mediastinal staging is generally performed by the use of imaging techniques (computed tomography and positron emission tomography). However, the accuracy of radiological imaging in mediastinal staging is suboptimal. Therefore, additional invasive mediastinal staging is frequently required to select patients who can benefit from a neoadjuvant treatment. In recent years, endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has progressively replaced mediastinoscopy as a test for invasive mediastinal staging. The considerable potential of EBUS-TBNA as minimally invasive staging method has been understood by pulmonologists since the early 2000s but only recently by thoracic surgeons. The clinical impact of this diagnostic technology has been broadly highlighted in the literature and EBUS-TBNA is currently considered the test of first choice in preoperative nodal staging of NSCLC. We analyze the actual role of EBUS-TBNA in invasive mediastinal staging of NSCLC patients from the thoracic surgeon point of view, with particular emphasis on the performance characteristics of this endoscopic diagnostic method as well as its clinical use within the published guidelines.

Role of endobronchial ultrasound-guided transbronchial needle aspiration in staging of lung cancer: a thoracic surgeon’s perspective