• Thomas Raptakis, Paraskevi Boura, Sotirios Tsimpoukis, Ioannis Gkiozos, and Konstantinos N Syrigos.
• Ierapetra General Hospital, Crete, Greece. ksyrigos@med.uoa.gr
• Anticancer Res. 2013 Jun 1;33(6):2369-76.

AbstractInvasive staging of mediastinal lymph nodes is recommended for the majority of patients with potentially resectable non-small cell lung cancer. In the past, 'blind' transbronchial needle aspiration during bronchoscopy and mediastinoscopy, a surgical procedure conducted under general anesthesia, were the only diagnostic methods. The latter is still considered the 'gold standard'; however, two novel, minimally-invasive techniques have emerged for the evaluation of the mediastinum: endoscopic (transesophageal) and endobronchial ultrasound--both performed using a dedicated echoendoscope, facilitating the ultrasound-guided, real-time aspiration of mediastinal lymph nodes. These methods are well-tolerated under local anesthesia and moderate sedation, with very low complication rates. Current guidelines on the invasive mediastinal staging of lung cancer still state that a negative needle aspiration result from these methods should be confirmed by mediastinoscopy. As more experience is gathered and echoendoscopes evolve, a thorough endosonographic evaluation of the mediastinum by both techniques, will obviate the need for surgical staging in the vast majority of patients and reduce the number of futile thoracotomies.

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