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Comparison of MRI-based and CT/MRI fusion-based postimplant dosimetric analysis of prostate brachytherapy.
https://asahi-u.repo.nii.ac.jp/records/9143
https://asahi-u.repo.nii.ac.jp/records/9143f186a1c6-dc27-4b26-8ef0-3bcda5c208fc
名前 / ファイル | ライセンス | アクション |
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1879355X_66_597602_2006 (166.7 kB)
Restricted Access
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-01-27 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Comparison of MRI-based and CT/MRI fusion-based postimplant dosimetric analysis of prostate brachytherapy. | |||||
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 | 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 | Observer Variation | |||||
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 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 | |||||
著者 |
Tanaka, Osamu
× Tanaka, Osamu× Hayashi, Shinya× Matsuo, Masayuki× Sakurai, Kota× Nakano, Masahiro× Maeda, Sunaho× Kajita, Kimihiro× 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 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 : International journal of radiation oncology, biology, physics 巻 66, 号 2, p. 597-602, ページ数 6, 発行日 2006-10-01 |
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出版者 | ||||||
en | ||||||
Elsevier | ||||||
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 magnetic resonance imaging (MRI)–based and computed tomography (CT)/MRI fusion–based postimplant dosimetry methods in permanent prostate brachytherapy. Methods and Materials: Between October 2004 and March 2006, a total of 52 consecutive patients with prostate cancer were treated by brachytherapy, and postimplant dosimetry was performed using CT/MRI fusion. The accuracy and reproducibility were prospectively compared between MRI-based dosimetry and CT/MRI fusion–based dosimetry based on the dose–volume histogram (DVH) related parameters as recommended by the American Brachytherapy Society. Results: The prostate volume was 15.97 ± 6.17 cc (mean ± SD) in MRI-based dosimetry, and 15.97 ± 6.02 cc in CT/MRI fusion–based dosimetry without statistical difference. The prostate V100 was 94.5% and 93.0% in MRI-based and CT/MRI fusion–based dosimetry, respectively, and the difference was statistically significant (p = 0.002). The prostate D90 was 119.4% and 114.4% in MRI-based and CT/MRI fusion–based dosimetry, respectively, and the difference was statistically significant (p = 0.004). Conclusion: Our current results suggested that, as with fusion images, MR images allowed accurate contouring of the organs, but they tended to overestimate the analysis of postimplant dosimetry in comparison to CT/MRI fusion images. Although this MRI-based dosimetric discrepancy was negligible, MRI-based dosimetry was acceptable and reproducible in comparison to CT-based dosimetry, because the difference between MRI-based and CT/MRI fusion–based results was smaller than that between CT-based and CT/MRI fusion–based results as previously reported. |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0360-3016 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | 16966002 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1016/j.ijrobp.2006.06.023 | |||||
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 | http://www.redjournal.org/article/S0360-3016(06)01119-9/fulltext | |||||
関連名称 | 出版社版(Elsevier) | |||||
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 |