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CT-based postimplant dosimetry of prostate brachytherapy: comparison of 1-mm and 5-mm section CT.
https://asahi-u.repo.nii.ac.jp/records/9140
https://asahi-u.repo.nii.ac.jp/records/91405b2b3b9e-7c37-4441-921f-0721c8cef521
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-01-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | CT-based postimplant dosimetry of prostate brachytherapy: comparison of 1-mm and 5-mm section CT. | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Brachytherapy | |||||
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 | Iodine Radioisotopes | |||||
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 | Prostatic Neoplasms | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Radiotherapy Dosage | |||||
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 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Tanaka, Osamu
× Tanaka, Osamu× Hayashi, Shinya× Kanematsu, Masayuki× Matsuo, Masayuki× Nakano, Masahiro× Maeda, Sunaho× Deguchi, Takashi× Hoshi, Hiroaki |
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所属 | ||||||
en | ||||||
Department of Radiology, Gifu University School of Medicine | ||||||
所属 | ||||||
en | ||||||
Department of Radiology, Gifu University School of Medicine | ||||||
所属 | ||||||
en | ||||||
Department of Radiology, Gifu University School of Medicine | ||||||
所属 | ||||||
en | ||||||
Department of Radiology, Gifu University School of Medicine | ||||||
所属 | ||||||
en | ||||||
Department of Urology, Gifu University School of Medicine | ||||||
所属 | ||||||
en | ||||||
Department of Radiology, Gifu University School of Medicine | ||||||
所属 | ||||||
en | ||||||
Department of Urology, Gifu University School of Medicine | ||||||
所属 | ||||||
en | ||||||
Department of Radiology, Gifu University School of Medicine | ||||||
書誌情報 |
en : Radiation medicine 巻 25, 号 1, p. 22-26, ページ数 5, 発行日 2007-01 |
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出版者 | ||||||
en | ||||||
Springer | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Purpose. The aim of this study was to compare the outcomes between 1-mm and 5-mm section computed tomography (CT)-based postimplant dosimetry. Materials and methods. A series of 21 consecutive patients underwent permanent prostate brachytherapy. The postimplant prostate volume was calculated using 1-mm and 5-mm section CT. One radiation oncologist contoured the prostate on CT images to obtain the reconstructed prostate volume (p Vol), prostate V100 (percent of the prostate volume receiving at least the full prescribed dose), and prostate D90 (mean dose delivered to 90% of the prostate gland). The same radiation oncologist performed the contouring three times to evaluate intraobserver variation and subjectively scored the quality of the CT images. Results. The mean ±1 SD postimplant p Vol was 20.17 ± 6.66 cc by 1-mm section CT and 22.24 ± 8.48 cc by 5-mm section CT; the difference in the mean values was 2.06 cc (P < 0.01). The mean postimplant prostate V100 was 80.44% ± 7.06% by 1-mm section CT and 77.33% ± 10.22% by 5-mm section CT. The mean postimplant prostate D90 was 83.28% ± 10.81% by 1-mm section CT and 78.60% ± 15.75% by 5-mm section CT. In the evaluation of image quality, 5-mm section CT was assigned significantly higher scores than 1-mm section CT. In regard to intraobserver variation, 5-mm section CT revealed less intraobserver variation than 1-mm section CT. Conclusion. Our current results suggested that the outcomes of postimplant dosimetry using 1-mm section CT did not improved the results over those obtained using 5-mm section CT in terms of the quality of the CT image or reproducibility. | |||||
言語 | en | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-2043 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 17225049 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s11604-006-0096-0 | |||||
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%2Fs11604-006-0096-0 | |||||
関連名称 | 出版社版 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |