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Changes in tumor volume of sacral chordoma after carbon ion radiotherapy
https://repo.qst.go.jp/records/45810
https://repo.qst.go.jp/records/45810d145d82e-db65-4673-b082-46e4aaaa36c6
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-06-16 | |||||
タイトル | ||||||
タイトル | Changes in tumor volume of sacral chordoma after carbon ion radiotherapy | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Serizawa, Itsuko
× Serizawa, Itsuko× Imai, Reiko× Kamada, Tadashi× Tsuji, Hiroshi× Kishimoto, Riwa× Kandatsu, Susumu× Tsujii, Hirohiko× Tatezaki, Shinichiroh× 芹澤 慈子× 今井 礼子× 鎌田 正× 辻 比呂志× 岸本 理和× 神立 進× 辻井 博彦× 舘崎 愼一郎 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | OBJECTIVE:: We evaluated changes in tumor volume in cases of sacral chordoma after carbon ion radiotherapy. METHODS:: Thirty-four patients with sacral chordoma underwent carbon ion radiotherapy between June 1996 and June 2003. We assessed 23 patients without previous surgery using T2-weighted magnetic resonance imaging. The tumor volume was calculated semiautomatically. RESULTS:: Two cases showed local recurrence. The median interval of this examination was 46 months. At the end of the treatment, the tumor showed an enlargement larger than 10% of its volume in 13 of the 23 cases, no change in 4 cases, and regression in 6 cases. At the last examination, 20 cases showed a reduction in tumor volume, and the median ratio, determined as the tumor volume at the last examination divided by that before the treatment, was 0.36. CONCLUSIONS:: An increase in tumor volume at the end of the treatment does not indicate the ineffectiveness of carbon ion radiotherapy. | |||||
書誌情報 |
Journal of Computer Assisted Tomography 巻 33, 号 5, p. 795-798, 発行日 2009-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0363-8715 |