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Appropriate collimators in a small animal SPECT scanner with CZT detector
http://hdl.handle.net/2297/34537
http://hdl.handle.net/2297/3453737375222-ea13-47f8-b172-221b7e65cd19
名前 / ファイル | ライセンス | アクション |
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ME-PR-HIGAKI-Y-271.pdf (641.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Appropriate collimators in a small animal SPECT scanner with CZT detector | |||||
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 | |||||
その他のタイトル | ||||||
CZT検出器搭載型小動物用SPECT装置における適切なコリメータの検討 | ||||||
著者 |
Higaki, Yusuke
× Higaki, Yusuke× Kobayashi, Masato× Uehara, Tomoya× Hanaoka, Hirofumi× Arano, Yasushi× Kawai, Keiichi |
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書誌情報 |
Annals of Nuclear Medicine 巻 27, 号 3, p. 271-278, 発行日 2013-04-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0914-7187 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10708017 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s12149-012-0681-5 | |||||
出版者 | ||||||
出版者 | 日本核医学会 = THE JAPANESE SOCIETY OF NUCLEAR MEDICINE | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Objective: Almost all small animal SPECT is performed with pinhole collimators (PH), including single-PH (SPH) and multi-PH (MPH). In the clinical study, not only PH but also parallel-hole collimator (PAH) is often used in planar and SPECT imaging. However, there have been no comparative studies on image quality with various collimators on the small animal imaging. This study compared the basic characteristics of PH and PAH in small animal imaging. Methods: Performance of planar and SPECT images was evaluated using 99mTcO4 - and SPH, MPH and PAH with low energy and high resolution on the SPECT/CT scanner FX3200. We measured sensitivity, resolution, concentration linearity and uniformity. Planar imaging of mice with 99mTc-labeled mercaptoacetyltriglycine (99mTc-MAG3) was performed using SPH and PAH. SPECT imaging with 99mTc-methylene diphosphonate (99mTc-MDP) was performed using all collimators. Results: With SPH, MPH and PAH, sensitivity was 43.5, 211.2 and 926.5 cps/MBq, respectively, and spatial resolution was 0.60/0.56, non/0.96, 5.20/5.34 mm full-width half maximum (planar/SPECT), respectively. There were marked correlations between the radioactivity counts on images and radioactivity with all collimators. Values of % standard deviation on planar imaging showed small differences between the SPH and PAH, while the values were the smallest on SPECT imaging with MPH. On imaging of mice, SPH yielded high-quality 99mTc-MAG3-planar images when compared with PAH. MPH yielded sharper 99mTc-MDP-SPECT images than SPH and PAH. Conclusions: The characteristics of PH and PAH differed on small animal imaging. Although sensitivity was higher with PAH, PH showed higher resolution. Among the PH collimators, SPH was more appropriate for planar imaging, and MPH was more suitable for SPECT imaging in a small animal imaging scanner with CZT detector. © 2013 The Japanese Society of Nuclear Medicine. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Thesis of Yusuke Higaki / 檜垣 佑輔 博士論文 金沢大学医薬保健学総合研究科(保健学専攻) | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jsnm.org/ |