Radiofrequency ablation of the liver: Determination of ablative margin at MR imaging with impaired clearance of ferucarbotran - Feasibility study

Kensaku Mori, Kuniaki Fukuda, Hitoshi Asaoka, Takuya Ueda, Akira Kunimatsu, Yoshikazu Okamoto, Katsuhiro Nasu, Kiyoshi Fukunaga, Yukio Morishita, Manabu Minami

研究成果: Article査読

49 被引用数 (Scopus)

抄録

Institutional review board approval and informed consent were obtained. The feasibility of magnetic resonance (MR) imaging with impaired clearance of ferucarbotran to visualize ablated liver parenchyma surrounding a tumor (ablative margin [AM]) was evaluated after radiofrequency (RF) ablation of the liver. Twenty-one patients with hepatocellular carcinomas underwent RF ablation 2-7 hours after ferucarbotran-enhanced MR imaging. On unenhanced T2*-weighted images acquired after 3-5 days, AMs appeared as hypointense rims. The AM status was related to incidence of residual or recurrent tumors. This technique is feasible for visualization of AM and prediction of residual or recurrent tumors after RF ablation of the liver.

本文言語English
ページ(範囲)557-565
ページ数9
ジャーナルRadiology
251
2
DOI
出版ステータスPublished - 2009 5 1
外部発表はい

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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