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ID 53558
JaLCDOI
フルテキストURL
著者
Toshimori, Junichi Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Nouso, Kazuhiro Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Nakamura, Shinichiro Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Wada, Nozomu Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Morimoto, Yuki Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Takeuchi, Yasuto Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Yasunaka, Tetsuya Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Kuwaki, Kenji Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Ohnishi, Hideki Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Ikeda, Fusao Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Shiraha, Hidenori Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Takaki, Akinobu Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Yamamoto, Kazuhide Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
抄録
We conducted a retrospective cohort study to investigate the predisposing factors for local recurrence and complications after percutaneous radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC). HCC patients (n=397) consecutively treated with RFA (256 males, 141 females, median age 69 years) were enrolled. In these patients, 1,455 nodules (median size 17mm) were ablated. Predisposing factors for overall recurrence and local recurrence in the context of tumor location and complications were examined. Local recurrence was observed for 113 of the 1,455 nodules. The 1-, 3- and 5-year local recurrence rates were 2.2オ, 7.4オ and 9.5オ, respectively. A multivariate Cox proportional hazard analysis revealed that large tumor size (>2cm), tumor location (adjacent to the major portal branch or hepatic vein), and small ablated margin (<3mm) were independent predisposing factors for local recurrence after RFA (HR=1.70-2.81). Tumor location (adjacent to the major portal branch, hepatic vein, or diaphragm) was also revealed as a risk factor for liver damage due to RFA. HCC adjacent to the major portal vein or hepatic vein was associated with a higher risk for local recurrence and for complications;therefore, special precautions are necessary when applying RFA to HCC near vessels even when the tumors are located at an easy-to-puncture site.
キーワード
hepatocellular carcinoma
radiofrequency ablation
ablated margin
tumor location
Amo Type
Original Article
発行日
2015-08
出版物タイトル
Acta Medica Okayama
69巻
4号
出版者
Okayama University Medical School
開始ページ
219
終了ページ
226
ISSN
0386-300X
NCID
AA00508441
資料タイプ
学術雑誌論文
言語
English
著作権者
CopyrightⒸ 2015 by Okayama University Medical School
論文のバージョン
publisher
査読
有り
PubMed ID
Web of Sience KeyUT