Initial validations for pursuing irradiation using a gimbals tracking system

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• 作者：Kenji Takayama ; Takashi Mizowaki ; Masaki Kokubo ; Noriyuki Kawada ; Hiroshi Nakayama ; Yuichiro Narita ; Kazuo Nagano ; Yuichiro Kamino ; Masahiro Hiraoka
• 关键词：Pursuing irradiation ; Gimbals tracking ; Organ motion ; Movable phantom ; Image-guided radiotherapy (IGRT)
• 刊名：Radiotherapy and Oncology
• 出版年：2009
• 出版时间：October 2009
• 年：2009
• 卷：93
• 期：1
• 页码：45-49
• 全文大小：369 K

文摘

Our newly designed image-guided radiotherapy (IGRT) system enables the dynamic tracking irradiation with a gimbaled X-ray head and a dual on-board kilovolt imaging subsystem for real-time target localization. Examinations using a computer-controlled three-dimensionally movable phantom demonstrated that our gimbals tracking system significantly reduced motion blurring effects in the dose distribution compared to the non-tracking state.