| Needle Electrode Position Assessed Using Three-Dimensional Ultrasonography and Outcome of Radiofrequency Ablation in Hepatocellular Carcinoma. | |
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MedLine Citation:
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PMID: 23186605 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background/Aims: Radiofrequency ablation (RFA) is an established curative therapy for early-stage hepatocellular carcinoma (HCC). We assessed the positions of inserted needle electrodes using three-dimensional ultrasonography (3D-US) and examined the association between the electrode position and outcomes of RFA. Methodology: Forty-seven patients with 49 HCC nodules treated with a cooled-tip RFA system were enrolled. Immediately after the first insertion of electrodes, 3D volume data were acquired. After RFA completion, the electrode position was assessed using the data. Results: There were 18 central and 31 marginal pattern nodules. The total number of electrode insertions was significantly greater for the marginal nodules than for the central nodules (p=0.032). In the first session of RFA, 36 HCC nodules (central, n=14; marginal, n=22) were treated with single insertion of electrodes. The ratio of incompletely ablated nodules after the first session was greater for the marginal nodules than for the central nodules (p=0.025). Conclusions: Our study demonstrated that inserted electrode positions assessed using 3D-US are closely associated with outcomes of RFA and the number of electrode insertions. |
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Authors:
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Nobuyuki Toshikuni; Yoshitaka Takuma; Junko Tomokuni; Hiroshi Yamamoto |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-28 |
Journal Detail:
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Title: Hepato-gastroenterology Volume: 60 ISSN: 0172-6390 ISO Abbreviation: Hepatogastroenterology Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8007849 Medline TA: Hepatogastroenterology Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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