WEKO3
アイテム
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MR Diffusion-weighted imaging(DWI) of Malignant Melanoma in Head and Neck after Accelerated Carbon-Ion Radiotherapy
https://repo.qst.go.jp/records/68872
https://repo.qst.go.jp/records/688721f53e659-d3a4-4c8b-a10f-c478d072c4f0
Item type | 会議発表用資料 / Presentation(1) | |||||
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公開日 | 2007-03-19 | |||||
タイトル | ||||||
タイトル | MR Diffusion-weighted imaging(DWI) of Malignant Melanoma in Head and Neck after Accelerated Carbon-Ion Radiotherapy | |||||
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_c94f | |||||
資源タイプ | conference object | |||||
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 |
Tanabe, Kouji
× Tanabe, Kouji× Kandatsu, Susumu× Kishimoto, Riwa× Mizoe, Junetsu× 田辺 耕士× 神立 進× 岸本 理和× 溝江 純悦 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | PURPOSE: To report change of diffusion weighted imaging(DWI) of malignant melanoma in head and neck after carbon-ion radiotherapy. MATERIAL and METHOD: Eighteen patients having malignant melanoma in head and neck regions undertook carbon-ion radiotherapy at the National Institute of Radiological Sciences, Chiba, Japan. We examined using DWIBS (diffusion-weighted imaging with background body signal suppression) method before and after the treatment. ADC (apparent diffusion coefficient) value was measurable in nine of 18 cases (mean age:65yrs,age range:56-78,5 males and 4 females). We compared the ADC value before the treatment with the after one. Intera Achieva 1.5T Nova Dual system (Philips Medical) was used for the examination. The EPI-based diffusion-weighted imaging sequence with SPIR fat suppression was applied at the settings of two b-values, namely 0 and 1000 sec/mm^2, respectively. Results: Average ADC value for all clinical cases were 0.897x10^-3 (S.D.: 0.142x10^-3) at pre-treatment and 1.355x10^-3 (S.D.: 0.573x10^-3) at post-treatment. ADC values were increased in eight of 9 cases and decreased in one. There was a significant difference in ADC value between pre- and post-treatment (P<0.028). CONCLUSIONS: DWIBS examination for malignant melanoma in head and neck showed significant increases in ADC value after carbon-ion radiotherapy. The ADC value has the possibility of becoming a criteria when you judge the effect of the carbon-ion radiotherapy in malignant melanoma. |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | ECR2007 19th European Congress of Radiology | |||||
発表年月日 | ||||||
日付 | 2007-03-13 | |||||
日付タイプ | Issued |