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The Effect of Susceptibility of Gadolinium Contrast Media on Diffusion-weighted Imaging and the Apparent Diffusion Coefficient
http://hdl.handle.net/2297/19575
http://hdl.handle.net/2297/195754fa9d584-d52c-4c5f-a0c3-67c1fd2304a3
名前 / ファイル | ライセンス | アクション |
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ME-PR-OGURA-A-867.pdf (728.2 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 | The Effect of Susceptibility of Gadolinium Contrast Media on Diffusion-weighted Imaging and the Apparent Diffusion Coefficient | |||||
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 | |||||
著者 |
Ogura, Akio
× Ogura, Akio× Hayakawa, Katsumi× Miyati, Tosiaki× Maeda, Fumie |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 京都市立病院 | |||||
提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学医薬保健研究域保健学系 | |||||
書誌情報 |
Academic Radiology 巻 15, 号 7, p. 867-872, 発行日 2008-07-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1076-6332 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11053376 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.acra.2007.12.020 | |||||
出版者 | ||||||
出版者 | Association of University Radiologists / Elsevier Science B.V. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Rationale and Objectives: The development of parallel magnetic resonance imaging has resulted in the frequent use of diffusion-weighted imaging (DWI) in clinical medicine, which usually involves the use of contrast medium. However, gadolinium (Gd) contrast medium may have some effect on DWI and the apparent diffusion coefficient (ADC). The present study was performed to determine whether the magnetic susceptibility of contrast medium alters the DWI signal and the value of ADC in some imaging techniques. Materials and Methods: Nonfat suppression DWI, short-time inversion recovery (STIR) combination, and chemical shift selective (CHESS) combination DWI were performed to examine 10 phantoms with gadolinium-meglumine gadopentetate (Gd-DTPA) dissolved at concentrations from 0.0005 to 0.1 mmol in physiologic saline as a contrast medium. The average pixel value and ADC of each method were determined. Results: ADC showed no differences between before and after treatment with contrast medium for all imaging techniques with Gd considered distributed over the whole tumor. The signal intensity did not change on nonfat suppression or CHESS combination DWI, but deteriorated on STIR. Conclusions: ADC was not influenced by the magnetic susceptibility of contrast medium. In addition, it was suggested that the ability of tumor detection may be reduced if STIR is used as fat suppression. © 2008 AUR. | |||||
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 |