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Usefulness of contrast-enhanced dual-energy computed tomography for detecting oral, head, and neck cancer
https://asahi-u.repo.nii.ac.jp/records/13124
https://asahi-u.repo.nii.ac.jp/records/13124c0098ed6-ad07-4b77-aa9c-84b4b4de030e
| Item type | 朝日大学 教育・研究業績(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2021-06-23 | |||||
| タイトル | ||||||
| タイトル | Usefulness of contrast-enhanced dual-energy computed tomography for detecting oral, head, and neck cancer | |||||
| 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_1843 | |||||
| 資源タイプ | other | |||||
| 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 | |||||
| 業績分類 | ||||||
| 値 | 学会発表 | |||||
| 教員氏名 |
江原, 雄一
× 江原, 雄一 |
|||||
| 発行、発表雑誌等、又は発表学会等の名称 | ||||||
| 値 | alacibu＆acoms international meeting | |||||
| 発行又は発表の年月 | ||||||
| 日付 | 2020-06 | |||||
| 概要 | ||||||
| 値 | Image evaluation in the oral cavity is difficult to quantitatively analyse. All tissues such as bones, muscles, blood vessels, lymph nodes and fat can be visualised only in black and white on computed tomography (CT). Contrast-enhanced dual-energy CT (DECT) is capable of differentiating tissues based on iodine density. The use of DECT during radiotherapy administration allows early assessment of tumour necrosis and overall treatment response. Using DECT with virtual monochromatic imaging (VMI) and iodine density imaging (IDI), the image is expressed in iodine density rather than in CT pixel values.The size and morphology of oral cancer tumours can be accurately determined using DECT if facial bone artefacts can be reduced. Although DECT can construct images with various contrasts, few studies have examined which methods produce the best contrast-enhanced CT images in the oral region.DECT is reportedly more useful than SECT in the whole body. | |||||
