WEKO3
アイテム
Design and initial evaluation of a 4-layer DOI-PET system: the jPET-D4
https://repo.qst.go.jp/records/44871
https://repo.qst.go.jp/records/4487138713619-8168-4653-9920-30e4ccb3140f
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2007-06-07 | |||||
| タイトル | ||||||
| タイトル | Design and initial evaluation of a 4-layer DOI-PET system: the jPET-D4 | |||||
| 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 |
Yoshida, Eiji
× Yoshida, Eiji× Yamaya, Taiga× Watanabe, Mitsuo× Kitamura, Keishi× Kobayashi, Ayako× Hasegawa, Tomoyuki× Obi, Takashi× Haneishi, Hideaki× Fukushi, Masahiro× Murayama, Hideo× 吉田 英治× 山谷 泰賀× 北村 圭司× 小林 彩子× 長谷川 智之× 小尾 高史× 羽石 秀昭× 村山 秀雄 |
|||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | PET scanner are an important component in functional brain imaging devices. Several PET scanners have been developed during the last two decades for brain research studies. We are developing a high-performance brain PET scanner, jPET-D4.This scanner is designed to achieve not only high spatial resolution but also high sensitivity using four-layered depth-of-interaction (DOI) detectors. The scanner has five block detector rings with the ring diameter of 390 mm and each blockdetector ring consists of 24 DOI detectors. In previous work, we have demonstrated that 3 mm FWHM uniform spatial resolution within the field-of-view could be realized. In this paper, we describe the jPET-D4 system and evaluate its performance. The average energy resolution for 120 DOI detectors is optimized to 16 % +/- 1.0 %. The scater fraction for this system is 40 % with an energy window of 400-600 keV. The sensitivity for the point source is 102 kcps/MBq (10.2 %) with a 400 keV LLD. Maximum noise equivalent count rate (NECR) is 154 kcps at 11 kBq/ml with a 10 ns coinsidence time window. We evaluated scatter fraction and NECR following procedures based on NEMA NU-2-1994. These first evalution measurements indicate the jPET-D4 has good performance. | |||||
| 書誌情報 |
Japanese Journal of Medical Physics 巻 26, 号 3, p. 131-140, 発行日 2006 |
|||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1345-5354 | |||||
