Effect of patient positioning on carbon-ion therapy planned dose distribution to pancreatic tumors and organs at risk

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• 作者：Kentaro Miki^a ; Mai Fukahori^a ; Motoki Kumagai^b ; Shigeru Yamada^a ; Shinichiro Mori^a ; ^{mori.shinichiro@qst.go.jp}
• 关键词：Carbon ion radiotherapy ; Dose distribution ; Patient positioning ; Pancreatic cancer
• 刊名：Physica Medica
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：33
• 期：Complete
• 页码：38-46
• 全文大小：2388 K
• 卷排序：33

文摘

Dose escalation in pancreatic treatment is often limited by radiosensitivity of OARs. To improve treatment, we propose patient positioning selection for each beam field. Positioning selection improves tumor dose, while sparing OARs. Our method is applicable not only for fixed port treatment but for rotating gantries. This result provides additional choices to optimize dose distribution.