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粒子線治療計画におけるCT値から阻止能比への変換関係の構築方法の更新
https://repo.qst.go.jp/records/66278
https://repo.qst.go.jp/records/66278e025c94d-5744-48bb-b37d-0d827c53ed45
| Item type | 会議発表用資料 / Presentation(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2017-04-17 | |||||
| タイトル | ||||||
| タイトル | 粒子線治療計画におけるCT値から阻止能比への変換関係の構築方法の更新 | |||||
| 言語 | ||||||
| 言語 | jpn | |||||
| 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 |
兼松, 伸幸
× 兼松, 伸幸× 森, 慎一郎× 稲庭, 拓× 兼松 伸幸× 森 慎一郎× 稲庭 拓 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | [Purpose] A new calibration method for CT number to stopping-power ratio conversion was recently proposed as a revision of the method that has been used in many particle-radiotherapy centers. We report in this presentation how we actually implemented the revision for the first time in clinical practice. [Methods] We followed the publication by Kanematsu et al in Phys. Medi. Biol. 61 (2016) 5037-5050 for carbon ions of effective energy 131 MeV/nucleon proposed by Inaniwa et al in Phys. Med. Biol. 61 (2016) N542-N550 to determine CT numbers and stopping-power ratios of 11 representative tissues for the conversion function of each clinical CT-scanning condition. We analyzed the range variation due to the revision for sampled treatment plans. [Results] The revision of the conversion caused marginal effect on the range calculation. [Conclusion] The transition to the revised method was straightforward and would marginally improve the range accuracy in clinical practice. |
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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 | 第113回日本医学物理学会学術大会 | |||||
| 発表年月日 | ||||||
| 日付 | 2017-04-14 | |||||
| 日付タイプ | Issued | |||||
