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A patient-specific QA procedure for moving target irradiation in scanned ion therapy
https://repo.qst.go.jp/records/71829
https://repo.qst.go.jp/records/7182975bd311a-42a5-4602-bf53-0cfbbdcd55f4
Item type | 会議発表用資料 / Presentation(1) | |||||
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公開日 | 2015-09-25 | |||||
タイトル | ||||||
タイトル | A patient-specific QA procedure for moving target irradiation in scanned ion therapy | |||||
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_c94f | |||||
資源タイプ | conference object | |||||
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 |
Hara, Yousuke
× Hara, Yousuke× Furukawa, Takuji× Mizushima, Kota× Noda, Koji× Saotome, Naoya× Saraya, Yuichi× Shirai, Toshiyuki× Tansho, Ryohei× 原 洋介× 古川 卓司× 水島 康太× 野田 耕司× 早乙女 直也× 皿谷 有一× 白井 敏之× 丹正 亮平 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Three-dimensional (3D) pencil-beam scanning technique has been utilized since 2011 in NIRS-HIMAC. Beam delivery system and treatment planning software (TPS) require dosimetric patient-specific QA to check each individual plan. Any change in the scanned beams will result in a significant impact on the irradiation dose. Therefore, patient-specific QA for moving target irradiation requires additional procedure. In an additional QA for moving target irradiation, we placed 2D ionization chamber on the PMMA plate tilted with respect to the beam axis. The PMMA plate was set on the stage of the moving phantom. The moving phantom was moved according to patient data. We measured the dose distribution for both the static target and the moving target. We compared the results for the moving target with those for the static targets by means of a gamma index analysis In the additional patient-specific QA, the gamma analysis between the moving and static targets showed the good agreement. We confirmed that this new technique was a beneficial QA procedure for moving target irradiation. |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The 2015 International Beam Instrumentation Conference (IBIC 2015) | |||||
発表年月日 | ||||||
日付 | 2015-09-14 | |||||
日付タイプ | Issued |