WEKO3
アイテム
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Fundamental tumor perfusion analysis with nuclear magnetic resonance imaging using gadolinium-diethylene triamine pentaacetic acid.
https://repo.qst.go.jp/records/44485
https://repo.qst.go.jp/records/44485d05b76a6-3b3b-453a-8b69-8fce0db1f851
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-07-25 | |||||
タイトル | ||||||
タイトル | Fundamental tumor perfusion analysis with nuclear magnetic resonance imaging using gadolinium-diethylene triamine pentaacetic acid. | |||||
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 |
Ikehira, Hiroo
× Ikehira, Hiroo× Fukuda, Nobuo× Ando, Koichi× Endo, Masahiro× Matsumoto, Tooru× Iinuma, Takeshi× Fukuda, Hiroshi× Tateno, Yukio× et.al× 池平 博夫× 福田 信男× 安藤 興一× 遠藤 真広× 松本 徹× 飯沼 武× 福田 寛× 舘野 之男 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The measurement of blood perfusion is an important factor for both the diagnosis and follow-up of tumor lesions. However, noninvasive detection of this local blood flow factor is very difficult. To accomplish this, we tried to calculate tissue blood perfusion indexes with nuclear magnetic resonance imaging using gadolinium-diethylene triamine pentaacetic acid (Gd-DTPA). We experimentally applied this method to C3H mouse's tumor NFSa (fibrosarcoma) and its recurrence tumor R1137, whose experimental hypoxic cell fraction is different; that is, R1137 is more oxic than NFSa. Imaging pulse sequence was T1 (TR = 1,000 ms, TI = 300 ms), and longitudinal relaxation rate (R1 = 1/T1) values were calculated. Injected dose of Gd-DTPA was 0.1 mmol/kg. The T1 images produced are from both the preinjection period from every 5 min postinjection for 30 min. Using two-exponential analysis and compartment analysis we calculated two fundamental parameters: uptake index and flow index as blood perfusion factors. We found that this method has the possibility of differentiating the tissue's hypoxic cell fraction and is effective both for follow-up study after radiation therapy and for tissue characterization. | |||||
書誌情報 |
American Journal of Physiologic Imaging 巻 3, 号 1, p. 7-9, 発行日 1988 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0885-8276 |