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Commissioning of a conformal irradiation system for heavy-ion radiotherapy using a layer-stacking method
https://repo.qst.go.jp/records/44606
https://repo.qst.go.jp/records/446069c4715da-b5c8-45a6-bb4c-fdc5ddb9f796
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-09-13 | |||||
タイトル | ||||||
タイトル | Commissioning of a conformal irradiation system for heavy-ion radiotherapy using a layer-stacking method | |||||
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 |
Kanai, Tatsuaki
× Kanai, Tatsuaki× Kanematsu, Nobuyuki× Minohara, Shinichi× Komori, Masataka× Torikoshi, Masami× Asakura, Hiroshi× Ikeda, Noritosi× Uno, Takayuki× Takei, Yuka× 金井 達明× 兼松 伸幸× 蓑原 伸一× 小森 雅孝× 取越 正己× 武井 由佳 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The commissioning of conformal radiotherapy system using heavy-ion beams at the Heavy Ion Medical Accelerator in Chiba (HIMAC) is described in detail. The system at HIMAC was upgraded for a clinical trial using a new technique: large spot uniform scanning with conformal layer stacking. The system was developed to localize the irradiation dose to the target volume more effectively than with the old system. With the present passive irradiation method using a ridge filter, a scatterer, a pair of wobbler magnets, and a multileaf collimator, the width of the spread-out Bragg peak (SOBP) in the radiation field could not be changed. With dynamic control of the beam-modifying devices during irradiation, a more conformal radiotherapy could be achieved. In order to safely perform treatments with this conformal therapy, the moving devices should be watched during irradiation and the synchronousness among the devices should be verified. This system, which has to be safe for patient irradiations, was constructed and tested for safety and for the quality of the dose localization realized. Through these commissioning tests, we were successfully able to prepare the conformal technique using layer stacking for patients. Subsequent to commissioning the technique has been applied to patients in clinical trials. |
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書誌情報 |
Medical Physics 巻 33, 号 8, p. 2989-2997, 発行日 2006-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0094-2405 |