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Surrounding Rim Formation and Reduction in Size After Radiofrequency Ablation for Primary Breast Cancer

Overview
Journal Jpn J Radiol
Publisher Springer
Specialty Radiology
Date 2009 Jun 26
PMID 19554412
Citations 3
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Abstract

Purpose: Radiofrequency ablation (RFA) has recently been used to treat small breast cancer. However, there are no data on the long-term morphological features after the procedure. The present study attempts to clarify the characteristics of and changes in the ablated lesion.

Materials And Methods: A total of 17 breast cancer patients underwent RFA using a single needle featuring an internally cooled electrode; this was followed by whole-breast irradiation and adjuvant systemic therapy. Magnetic resonance imaging (MRI) using a 1.5-T system was performed before and 1, 3, 6, and 12 months after ablation, and the morphological characteristics and the size of the ablated lesion were evaluated. Mammography was also performed for a comparison with the MRI measurement.

Results: MRI displayed no residual enhancement of the tumor after RFA; there was an altered signal intensity with peripheral enhancement, however, and the area decreased in size gradually at a rate of 3.3% per month. Mammography showed a ring surrounding a roundish area whose size was equal to that seen with MRI.

Conclusion: Our current series demonstrated the morphological characteristics on breast imaging after RFA plus radiation therapy. The size of the ablated area decreased over time. These findings are valuable for clinical follow-up of breast cancer patients undergoing RFA.

Citing Articles

Magnetic resonance imaging-guided radiofrequency ablation of breast cancer: a current state of the art review.

Zhang C, Shi J, Li B, Yu X, Feng X, Yang H Diagn Interv Radiol. 2023; 30(1):48-54.

PMID: 36971252 PMC: 10773175. DOI: 10.4274/dir.2022.221429.


Efficacy and Safety of Radiofrequency Ablation for Breast Cancer Smaller Than 2 cm: A Systematic Review and Meta-Analysis.

Xia L, Hu Q, Xu W Front Oncol. 2021; 11:651646.

PMID: 34012918 PMC: 8126716. DOI: 10.3389/fonc.2021.651646.


Technical success, technique efficacy and complications of minimally-invasive imaging-guided percutaneous ablation procedures of breast cancer: A systematic review and meta-analysis.

Mauri G, Sconfienza L, Pescatori L, Fedeli M, Ali M, Di Leo G Eur Radiol. 2017; 27(8):3199-3210.

PMID: 28050693 DOI: 10.1007/s00330-016-4668-9.

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