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Development of a multi-use human-scale single-ring OpenPET system
https://repo.qst.go.jp/records/81139
https://repo.qst.go.jp/records/811396fb75c80-2b22-4b87-a873-9d745a9b3633
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-11-27 | |||||
タイトル | ||||||
タイトル | Development of a multi-use human-scale single-ring OpenPET system | |||||
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 |
Tashima, Hideaki
× Tashima, Hideaki× Yoshida, Eiji× Iwao, Yuma× Wakizaka, Hidekatsu× Mohammadi, Akram× Nitta, Munetaka× Kitagawa, Atsushi× Inaniwa, Taku× Nishikido, Fumihiko× Tsuji, Atsushi× Nagai, Yuji× Seki, Chie× Minamimoto, Takafumi× Fujibayashi, Yasuhisa× Yamaya, Taiga× Hideaki, Tashima× Eiji, Yoshida× Yuma, Iwao× Hidekatsu, Wakizaka× Mohammadi, Akram× Munetaka, Nitta× Atsushi, Kitagawa× Taku, Inaniwa× Fumihiko, Nishikido× Atsushi, Tsuji× Yuji, Nagai× Chie, Seki× Takafumi, Minamimoto× Yasuhisa, Fujibayashi× Taiga, Yamaya |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We developed a human-scale single-ring OpenPET (SROP) system, which had an open space allowing us access to the subject during measurement. The SROP system consisted of 160 4-layer depth-of-interaction detectors. The open space with the axial width of 430 mm was achieved with the ring axial width of 214 mm and the ring inner diameter of 660 mm. The detectors were axially shifted to each other so that the detector ring was aligned along a plane horizontally tilted by 45∘ against the axial direction. The system was developed as a mobile scanner to be used not only in clinical PET rooms but also in charged-particle therapy treatment rooms as well as animal experiment rooms. Almost uniform spatial resolution better than 3 mm throughout the entire FOV was realized with an iterative image reconstruction method. Peak absolute sensitivity was 3.1%, and there was a region with sensitivity better than 0.8% for a length of more than 700 mm. An in-beam imaging experiment conducted at the HIMAC showed that the system was operable even at the highest beam intensity available for heavy-ion therapy. In addition, we conducted entire-body monkey dynamic imaging utilizing the long region inside the gantry by positioning a monkey along the direction having the longest FOV tilted by 45∘ against the axial direction. We concluded the developed system realizes versatile PET applications because of its wide-open space and mobility as well as high spatial resolution with sufficiently good sensitivity. | |||||
書誌情報 |
IEEE Transactions on Radiation and Plasma Medical Sciences 巻 61, 号 4, p. 1795, 発行日 2020-11 |
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出版者 | ||||||
出版者 | IEEE Nuclear and Plasma Sciences Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0031-9155 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1109/TRPMS.2020.3037055 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://ieeexplore.ieee.org/document/9253593 |