• Eur J Cardiothorac Surg · Feb 2009

    Endobronchial ultrasound-guided needle aspiration in the non-small cell lung cancer staging.

    • Artur Szlubowski, Jarosław Kuzdzał, Marcin Kołodziej, Jerzy Soja, Juliusz Pankowski, Anna Obrochta, Piotr Kopiński, and Marcin Zieliński.
    • Department of Thoracic Surgery, Sokołowski Pulmonary Hospital, Zakopane, Poland.
    • Eur J Cardiothorac Surg. 2009 Feb 1;35(2):332-5; discussion 335-6.

    ObjectiveThe aim of the study was to assess the diagnostic yield of the endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-NA) in the mediastinal staging in non-small cell lung cancer (NSCLC) patients.MethodsConsecutive NSCLC patients with enlarged or normal mediastinal nodes on CT scans underwent EBUS-NA. All patients with negative EBUS-NA subsequently underwent the transcervical extended bilateral mediastinal lymphadenectomy (TEMLA) as a confirmatory test.ResultsTwo hundred and twenty-six patients underwent EBUS-NA between 1.02.07 and 30.04.08. There were 320 mediastinal lymph nodes biopsied (stations: 2R - 8, 4R - 83, 2L - 1, 4L - 61, 7 - 167). EBUS-NA revealed metastatic lymph node involvement in 129/226 patients (57.1%) and in 171/320 biopsies (53.4%). In 97 patients with negative EBUS-NA, who underwent subsequent TEMLA, metastatic nodes were diagnosed in 16 patients (7.1%) - in 12 (5.3%) in stations accessible for EBUS-NA (stations: 4R - 3, 4L - 2, 7 - 8) and in 4 (1.8%) in stations not accessible for EBUS-NA (stations: 5 - 4, 6 - 1). All positive N2 nodes diagnosed by the TEMLA contained only small metastatic deposits. A diagnostic sensitivity, specificity, accuracy, PPV and NPV of EBUS-NA were 89.0%, 100%, 92.9%, 100% and 83.5%, respectively. No complications of EBUS-NA were observed.Conclusions(1) EBUS-NA is an effective and safe technique for mediastinal staging in NSCLC patients. (2) In patients with negative results of EBUS-NA, surgical exploration of the mediastinum should be performed.

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