Efficacy and Safety of Radiofrequency Ablation for Focal Hepatic Lesions Adjacent to Gallbladder: Reconfiguration of the Ablation Zone through Probe Relocation and Ablation Time Reduction
- Authors
- Choi, In Young; Kim, Pyo Nyun; Lee, Sung Gu; Won, Hyung Jin; Shin, Yong Moon
- Issue Date
- 10월-2017
- Publisher
- ELSEVIER SCIENCE INC
- Citation
- JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY, v.28, no.10, pp.1395 - 1399
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY
- Volume
- 28
- Number
- 10
- Start Page
- 1395
- End Page
- 1399
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/82051
- DOI
- 10.1016/j.jvir.2017.06.004
- ISSN
- 1051-0443
- Abstract
- Purpose: To evaluate the safety and efficacy of radiofrequency (RF) ablation for treatment of focal hepatic lesions adjacent to the gallbladder with electrode relocation and ablation time reduction. Materials and Methods: Thirty-nine patients who underwent RF ablation for focal hepatic lesions adjacent to the gallbladder (<= 10 mm) were evaluated retrospectively from January 2011 to December 2014 (30 men and 9 women; age range, 51-85 y; mean age, 65 y). Of 36 patients with hepatocellular carcinoma, 3 had a second treatment for recurrence (mean tumor size, 15 mm 6). Patients were divided into 2 subgroups based on lesion distance from the gallbladder: nonabutting (> 5 mm; n 19) and abutting (<= 5 mm; n = 20). Electrodes were inserted parallel to the gallbladder through the center of a tumor in the nonabutting group and through the center of the expected ablation zone between a 5-mm safety zone on the liver side and the gallbladder in the abutting group. Ablation time was decreased in proportion to the transverse diameter of the expected ablation zone. Results: Technical success and technical effectiveness rates were 89.7% and 97.4%, respectively, with no significant differences between groups (P = 1.00). Local tumor progression was observed in 3 patients (1 in the nonabutting group and 2 in the abutting group; P = 1.00). There were no major complications. The gallbladder was thickened in 10 patients, with no significant difference between groups (P = .72). Biloma occurred in 1 patient in the nonabutting group. Conclusions: RF ablation with electrode relocation and reduction of ablation time can be a safe and effective treatment for focal hepatic lesions adjacent to the gallbladder.
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Collections - College of Medicine > Department of Medical Science > 1. Journal Articles
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