Abstract
Introduction
Endobronchial ultrasound-transbronchial needle aspiration (EBUS-TBNA) has a cardinal role in the diagnosis and staging of non-small cell lung cancer (NSCLC), providing an accurate nodal staging in a less invasive way than surgical biopsy. The aim of this study was to assess the diagnostic accuracy of EBUS-TBNA in the pre-operative NSCLC mediastinal staging, as well as to evaluate EBUS-TBNA specificity and sensibility in our cohort.
Methods
We retrospectively analyzed data of NSCLC patients who underwent EBUS-TBNA followed by major pulmonary resection between January 2020 and December 2022. EBUS-TBNA was performed in patients with NSCLC (central T ≤ 3 cm, peripheral/central T > 3 cm), following the ESTS guidelines. The target nodes were selected on the basis of their radiologic/metabolic characteristics. Each procedure was conducted together with rapid on-site cytological evaluation (ROSE).
Results
Twenty-five patients were included (M/F = 17/8). At least three needle passages on each target lymph node were performed. No complications during or after the procedures occurred. We found a 100% correspondence between ROSE on the sampled nodes and postoperative pathologic findings. An upstaging occurred in three cases (12%) because of the involvement of stations 5 and 6 (not accessible via EBUS), while the only case of downstaging (N2 → N0, 4%) was probably due to intercurrent neoadjuvant chemotherapy. In all cases, EBUS-TBNA has proved to achieve a diagnostic procedure on the target nodes.
Conclusions
EBUS-TBNA is a safe and effective procedure that offers high sensitivity and specificity when performed together with ROSE, which improves the accuracy of sampling. Doubt on nodal stations 5 and 6 involvement should be settled by other techniques.
Graphical Abstract
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Data availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author, E.G., on reasonable request.
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Conceptualization: MGM, EG, and DB. Data curation: EG, GR, and AP. Formal Analysis: MGM, EG, DB, and VA. Funding acquisition: n.a. Investigation: EG, GR, DB, and GA. Methodology: MGM, DB, and OF. Project administration: ML, MCA, AP, and OF. Resources: MGM, SK, MCA, ML, and GA. Software: DB and EG. Supervision: MGM, ML, and AR. Validation: MCA, ML, and AR. Visualization: all the authors. Writing—original draft: MGM, EG, and DB. Writing—review and editing: all the authors.
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Mastromarino, M.G., Guerrini, E., Rabazzi, G. et al. Endobronchial ultrasound-transbronchial needle aspiration: effectiveness and accuracy in non-small cell lung cancer staging. Updates Surg (2024). https://doi.org/10.1007/s13304-024-01777-8
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DOI: https://doi.org/10.1007/s13304-024-01777-8