Journal of Microwave Surgery
Online ISSN : 1882-210X
Print ISSN : 0917-7728
ISSN-L : 0917-7728
 
Radiofrequency ablation of hepatic metastases
Katsuhiro Kotake, Tsuyoshi Kurokawa, Noiku Nakao, Mari Tsubamoto, Keiichi Ando, Takashi Arikawa, Yoshiharu Kiyota, Naotaka Ihara, Yoshihiro Ohwa, Hiroshi Nagata, Masahiko Miyachi, Kazuyoshi Suzumura, Toshiaki Nonami
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Keywords: radiofrequency ablation, liver metastases
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2006 Volume 24 Pages 109-113

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Abstract

Objective : The purpose of this study was to evaluate the efficacy and safety of radiofrequency ablation (RNA) in patients with hepatic metastases.
Materials and Methods : Fourteen patients with a total of 21 hepatic metastases (1.0-5.0 cm in diameter) were treated with RFA.
Results : There were no treatment-related deaths. Twenty of 21 treated tumor were completely necrotic on imaging studies. With a median follow-up of 31.4 months, tumor has recurred in 5 of these 20 treated lesions (25%). One of these tumors (2.0 cm in diameter) was located near the right hepatic vein, and other four were more than 3.5 cm in diameter.
Conclusion : RFA is a safe and effective treatment to treat hepatic metastases.

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© 2006 Study Group of Microwave Surgery
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