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Limit of spatial resolution in FDG-PET due to annihilation photon non-collinearity.
https://repo.qst.go.jp/records/53946
https://repo.qst.go.jp/records/539464e3de65c-11f2-453c-8a99-929b3063f64e
| Item type | 会議発表論文 / Conference Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2008-05-24 | |||||
| タイトル | ||||||
| タイトル | Limit of spatial resolution in FDG-PET due to annihilation photon non-collinearity. | |||||
| 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_5794 | |||||
| 資源タイプ | conference paper | |||||
| 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 |
Shibuya, Kengo
× Shibuya, Kengo× Yoshida, Eiji× Nishikido, Fumihiko× Suzuki, Tosikazu× Tsuda, Tomoaki× Inadama, Naoko× Yamaya, Taiga× Murayama, Hideo× 澁谷 憲悟× 吉田 英治× 錦戸 文彦× 鈴木 敏和× 津田 倫明× 稲玉 直子× 山谷 泰賀× 村山 秀雄 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | We provide a new viewpoint for a fundamental but little investigated problem in positron emission tomography (PET): non-collinearity of annihilation radiation from the human body. The cause of the angular deviation from 180 deg is described as well as how to evaluate it under a spatially distributed radiation source and a limited acquisition time. An elegant conversion from the photopeak spectrum into the angular distribution is done based on the conservation laws of momentum and energy to avoid problems in the direct measurement. A healthy volunteer study using 18FDG and a Ge semiconductor detector reveals the distribution as a Gaussian function with the FWHM of 0.54 deg. Finally, we calculate the physical limit of 18FDG-PET spatial resolution. | |||||
| 書誌情報 |
World Congress of Medical Physics and Biomedical Engineering 2006 (IFMBE Proceedings ; Vol. 14) 巻 14, 号 1, p. 1554-1557, 発行日 2006 |
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| 出版者 | ||||||
| 出版者 | Springer | |||||
| ISBN | ||||||
| 識別子タイプ | ISBN | |||||
| 関連識別子 | 3-5403-6839 | |||||
