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回転型強度変調法を用いた肺定位放射線治療中における標的の軌跡解析
http://hdl.handle.net/10748/4942
http://hdl.handle.net/10748/4942009af80b-f717-4928-9032-fcf422dd88d6
名前 / ファイル | ライセンス | アクション |
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10610-001.pdf (2.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-09-07 | |||||
タイトル | ||||||
タイトル | 回転型強度変調法を用いた肺定位放射線治療中における標的の軌跡解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | motion analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | stereotactic body radiotherapy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | lung tumors | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | volumetric modulated arc therapy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | during treatment | |||||
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 | |||||
著者 |
今江, 禄一
× 今江, 禄一× 篠原, 広行× 井野, 賢司× 岡野, 由香里× 佐々木, 克剛× 三枝, 茂輝× 白木, 尚× 矢野, 敬一× 木田, 智士× 芳賀, 昭弘× 中川, 恵一× 大友, 邦 |
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著者(ヨミ) |
イマエ, トシカズ
× イマエ, トシカズ× シノハラ, ヒロユキ× イノ, ケンジ× オカノ, ユカリ× ササキ, カツタケ× サエグサ, シゲキ× シラキ, タカシ× ヤノ, ケイイチ× キダ, サトシ× ハガ, アキヒロ× ナカガワ, ケイイチ× オオトモ, クニ |
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著者別名 |
Imae, Toshikazu
× Imae, Toshikazu× Shinohara, Hiroyuki× Ino, Kenji× Okano, Yukari× Sasaki, Katsutake× Saegusa, Shigeki× Shiraki, Takashi× Yano, Keiichi× Kida, Satoshi× Haga, Akihiro× Nakagawa, Keiichi× Otomo, Kuni |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Volumetric modulated arc therapy (VMAT) is a rotational intensity-modulated radiotherapy (IMRT) technique capable of acquiring projection images for cone-beam computed tomography (CBCT). Respiratorycorrelated cone-beam computed tomography, namely 4D-CBCT, serves to assess the displacement of a tumor position between planning and treatment due to organ motion and respiration, and is important for more accurate radiation therapy. On the other hand, recently, a 320-detector row CT scanner, namely 4D-CT, has become available that allows axial volumetric scanning of a 16-cm-long range in a patient without table movement. The goal of our research is to establish a new method of verification during treatment in stereotactic body radiotherapy. In this study, we compare the movement of the tumor between “before treatment” using 4D-CT and “in treatment” using 4D-CBCT. Three patients (55–68 years of age) with lung tumors underwent CT scans for radiotherapy planning using 4D-CT scans to analyze the movement of the tumor before treatment. The patients were treated by VMAT while acquiring projection images. 4D-CBCT datasets were reconstructed from the projection images using in-house programs. The tumor positions in 4D-CT and 4D-CBCT were detected and the movement of the tumor between “before treatment” and “in treatment” was similar. The movement of the tumors during treatment was predictable from 4D-CT before treatment. Furthermore, 4D-CBCT clarified the tumor position during treatment and could reevaluate the actual tumor position and dose distribution. We have successfully shown the movement of the tumor between “before treatment” using 4D-CT and “in treatment” using 4D-CBCT. |
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書誌情報 |
日本放射線技術学会雑誌 巻 68, 号 2, p. 153-161, 発行日 2012-02 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03694305 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00197784 | |||||
権利 | ||||||
権利情報 | 日本放射線技術学会 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他のタイトル | ||||||
その他のタイトル | Motion Analysis of Target during Stereotactic Radiotherapy of Lung Tumors Using Volumetric Modulated Arc Therapy | |||||
出版者 | ||||||
出版者 | 日本放射線技術学会 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article |