Diagnostic yield of cone beam CT based navigation bronchoscopy in patients with metastatic lesions: A propensity score matched case-control study

Marta Viscuso, Roel L.J. Verhoeven, Stephan E.P. Kops, Gerjon Hannink, Rocco Trisolini, Erik H.F.M. Van Der Heijden

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Background: Cone beam CT based Navigation Bronchoscopy (CBCT-NB) has predominantly been investigated as a diagnostic tool in (suspected) primary lung cancers. Small metastatic lesions are clinically considered more challenging to diagnose, but no study has explored the yield of navigation bronchoscopy in patients with pulmonary metastatic lesions (ML) compared to primary lung cancers (PL), correcting for known lesion characteristics affecting diagnostic yield. Materials and methods: This is a single-center, retrospective, propensity score-matched case-control study. We matched a subset of patients who underwent CBCT-NB and received a final diagnosis of pulmonary metastases of solid tumors between December 2017 and 2021 against confirmed primary lung cancer lesions subjected to CBCT-NB in the same time period. The lesions were propensity score matched based on known characteristics affecting yield, including location (upper lobe, lower lobe), size, bronchus sign, and lesion solidity. Results: Fifty-six metastatic pulmonary lesions (mean size 14.7 mm) were individually case-matched to a selection of 297 available primary lung cancer lesions. Case-matching revealed non-significant differences in navigation success rate (PL: 89.3 % vs. ML: 82.1 %, 95%CI on differences: -21.8 to +7.5) and yield (PL: 60.7 % vs. ML: 55.4 %, 95%CI on differences: -25.4 to +14.7). The overall complication rate was comparable (5.4 % in PL vs. 5,4 % in ML). Conclusion: After matching primary and metastatic lesions based on CT assessable lesions characteristics, CBCTNB showed no clinically relevant or significantly different navigation success or yield in either group. We recommend a careful assessment of CT characteristics to determine procedural difficulty rather than selecting based on the suspicion of lesion origin.
Lingua originaleEnglish
pagine (da-a)1-7
Numero di pagine7
RivistaEuropean Journal of Surgical Oncology
Volume50
DOI
Stato di pubblicazionePubblicato - 2024

Keywords

  • Cone beam CT
  • Metastatic lesions
  • Sensitivity
  • Propensity score matching
  • Navigation bronchoscopy

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