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Cone-Beam Computed Tomography (CBCT) Versus CT in Lung Ablation Procedure: Which is Faster?

  • Clinical Investigation
  • Published:
CardioVascular and Interventional Radiology Aims and scope Submit manuscript

Abstract

Aim

To compare cone-beam CT (CBCT) versus computed tomography (CT) guidance in terms of time needed to target and place the radiofrequency ablation (RFA) electrode on lung tumours.

Materials and Methods

Patients at our institution who received CBCT- or CT-guided RFA for primary or metastatic lung tumours were retrospectively included. Time required to target and place the RFA electrode within the lesion was registered and compared across the two groups. Lesions were stratified into three groups according to their size (<10, 10–20, >20 mm). Occurrences of electrode repositioning, repositioning time, RFA complications, and local recurrence after RFA were also reported.

Results

Forty tumours (22 under CT, 18 under CBCT guidance) were treated in 27 patients (19 male, 8 female, median age 67.25 ± 9.13 years). Thirty RFA sessions (16 under CBCT and 14 under CT guidance) were performed. Multivariable linear regression analysis showed that CBCT was faster than CT to target and place the electrode within the tumour independently from its size (β = −9.45, t = −3.09, p = 0.004). Electrode repositioning was required in 10/22 (45.4 %) tumours under CT guidance and 5/18 (27.8 %) tumours under CBCT guidance. Pneumothoraces occurred in 6/14 (42.8 %) sessions under CT guidance and in 6/16 (37.5 %) sessions under CBCT guidance. Two recurrences were noted for tumours receiving CBCT-guided RFA (2/17, 11.7 %) and three after CT-guided RFA (3/19, 15.8 %).

Conclusion

CBCT with live 3D needle guidance is a useful technique for percutaneous lung ablation. Despite lesion size, CBCT allows faster lung RFA than CT.

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Acknowledgments

Roberto Luigi Cazzato would like to thank CIRSE Foundation for supporting him with an educational grant which was spent to attend a fellowship at the Department of Radiology, Institut Bergonié, Bordeaux, France. Without the support of such grant, the present paper would have not been possible. The authors thank Pippa McKelvie-Sebileau of Institut Bergonié for medical editorial assistance.

Conflict of interest

Roberto Luigi Cazzato, Jean-Benoit Battistuzzi, Vittorio Catena, Rosario Francesco Grasso, Bruno Beomonte Zobel, Emiliano Schena, Xavier Buy, and Jean Palussiere declare they have no conflict of interest to disclose.

Statement of Human Rights

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Statement of Informed Consent

For this type of study, formal consent is not required.

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Authors and Affiliations

  1. Department of Radiology, Institut Bergonié, 229 Cours de l’Argonne, 33000, Bordeaux, France

    Roberto Luigi Cazzato, Jean-Benoit Battistuzzi, Vittorio Catena, Xavier Buy & Jean Palussiere

  2. Department of Radiology and Diagnostic Imaging, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 200, 00128, Rome, Italy

    Roberto Luigi Cazzato, Rosario Francesco Grasso & Bruno Beomonte Zobel

  3. Unit of Measurements and Biomedical Instrumentations, Biomedical Engineering Laboratory, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 198, 00128, Rome, Italy

    Emiliano Schena

Authors
  1. Roberto Luigi Cazzato
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  2. Jean-Benoit Battistuzzi
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  3. Vittorio Catena
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  4. Rosario Francesco Grasso
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  5. Bruno Beomonte Zobel
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  6. Emiliano Schena
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  7. Xavier Buy
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  8. Jean Palussiere
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Correspondence to Roberto Luigi Cazzato.

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Cazzato, R.L., Battistuzzi, JB., Catena, V. et al. Cone-Beam Computed Tomography (CBCT) Versus CT in Lung Ablation Procedure: Which is Faster?. Cardiovasc Intervent Radiol 38, 1231–1236 (2015). https://doi.org/10.1007/s00270-015-1078-3

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  • DOI: https://doi.org/10.1007/s00270-015-1078-3

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