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Fiducial marker for prostate radiotherapy: comparison of 0.35- and 0.5-mm-diameter computed tomography and magnetic resonance images.
https://asahi-u.repo.nii.ac.jp/records/9132
https://asahi-u.repo.nii.ac.jp/records/9132cc16ac57-dc16-4af7-b6a7-bf9e4525682f
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
18266983_122_204207_2017 (473.1 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2018-01-24 | |||||
| タイトル | ||||||
| タイトル | Fiducial marker for prostate radiotherapy: comparison of 0.35- and 0.5-mm-diameter computed tomography and magnetic resonance images. | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Artifacts | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Cone-Beam Computed Tomography | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Contrast Media | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Equipment Design | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Fiducial Markers | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Humans | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Magnetic Resonance Imaging | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Male | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Prospective Studies | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Prostate | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Prostatic Neoplasms | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Radiotherapy Planning, Computer-Assisted | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Radiotherapy, Intensity-Modulated | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Tomography, X-Ray Computed | |||||
| 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 | open access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
| 著者 |
Tanaka, Osamu
× Tanaka, Osamu× Komeda, Hisao× Iida, Takayoshi× Tamaki, Masayoshi× Seike, Kensaku× Kato, Daiki× Hirose, Shigeki× Kawaguchi, Daisuke× Yokoyama, Takamasa |
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| 所属 | ||||||
| en | ||||||
| Department of Radiation Oncology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Urology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Radiation Oncology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Urology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Urology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Urology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Radiation Oncology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Radiation Oncology, Gifu Municipal Hospital | ||||||
| 所属 | ||||||
| en | ||||||
| Department of Radiation Oncology, Gifu Municipal Hospital | ||||||
| 書誌情報 |
en : La Radiologia medica 巻 122, 号 3, p. 204-207, ページ数 4, 発行日 2017-03 |
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| 出版者 | ||||||
| en | ||||||
| Springer | ||||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Purpose When performing intensity-modulated radiotherapy for prostate cancer, a marker is inserted into the prostate to enable the recognition of its position using cone–beam computed tomography (CT). However, it is difficult to recognize the prostatic outline using CT alone. Magnetic resonance imaging (MRI) can depict the prostatic outline better than CT. In treatment plans using CT and MRI registration, various markers are used in institutions; however, the selection of an optimal marker size is difficult. Comparison of a different fiducial marker study was conducted using phantom, but no study in vivo was found. Therefore, we prospectively investigated the effects of different marker diameter sizes using CT and MR images. Methods Thirty-one consecutive patients were enrolled in this study. CT and MRI were performed 3 weeks after marker placement. The 0.35-mm-diameter marker was placed on the left side of the prostate, and the 0.5-mm-diameter marker was placed on the right side. The length of each marker was 10 mm. The better MRI image was selected between those obtained using T2*-two-dimensional weighted image (T2*2D) and T2*-three-dimensional weighted image (T2*3D). Two observers evaluated and scored the prostatic outline image quality as well as visualized the prostatic markers using CT and MRI. Results MRI was significantly superior to CT in depicting the prostatic outline. The CT artifacts were significantly lesser for the 0.35-mm-diameter marker than for the 0.5-mm-diameter marker. The degree of marker recognition using MRI was significantly better with the 0.5-mm-diameter marker. Conclusion The 0.5-mm-diameter fiducial marker had significantly better visualization than the 0.35-mm-diameter marker. While CT artifacts were significantly worse with the 0.5-mm-diameter marker, the artifact level was tolerable for clinical practice. Therefore, we recommend the 0.5-mm-diameter diameter marker in terms of prostatic outline and marker visualization using MRI. |
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| 言語 | en | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1826-6983 | |||||
| PubMed番号 | ||||||
| 関連タイプ | isVersionOf | |||||
| 識別子タイプ | PMID | |||||
| 関連識別子 | 27981486 | |||||
| DOI | ||||||
| 関連タイプ | isVersionOf | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | info:doi/10.1007/s11547-016-0715-5 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 言語 | en | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://link.springer.com/article/10.1007%2Fs11547-016-0715-5 | |||||
| 関連名称 | 出版社版(Springer) | |||||
| 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 | |||||
