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術中MRI撮影のための受信コイル機能を有する定位脳手術装置に関する研究
http://hdl.handle.net/10470/26814
http://hdl.handle.net/10470/268147103e75b-6c7d-44c1-b387-c825a62dd515
名前 / ファイル | ライセンス | アクション |
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KJ00006018446.pdf (2.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-08-10 | |||||
タイトル | ||||||
タイトル | 術中MRI撮影のための受信コイル機能を有する定位脳手術装置に関する研究 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
別タイトル | ||||||
その他のタイトル | A New Stereotactic Frame with Radiofrequency Receiver Coil for Intraoperative Magnetic Resonance Imaging | |||||
著者名 |
谷口, 拡樹
× 谷口, 拡樹× 村垣, 善浩× 中村, 亮一× 伊関, 洋 |
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著者別名 | ||||||
姓名 | TANIGUCHI, Hiroki | |||||
著者別名 | ||||||
姓名 | MURAGAKI, Yoshihiro | |||||
著者別名 | ||||||
姓名 | NAKAMURA, Ryoichi | |||||
著者別名 | ||||||
姓名 | ISEKI, Hiroshi | |||||
出版者 | ||||||
出版者 | 東京女子医科大学学会 | |||||
受付日付 | ||||||
日付 | 2010-08-10 | |||||
日付タイプ | Created | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0040-9022 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00161368 | |||||
書誌情報 |
東京女子医科大学雑誌 巻 75, 号 5, p. 124-132, 発行日 2005-05 |
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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 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Image-guided stereotactic biopsy of a deep brain tumor is a surgical procedure in which the biopsy needle is guided with pinpoint precision to the target based on pre-operative images using a frame-based stereotactic system. Positioning error of the biopsy needle occurs because of intraoperative brain shift or poor imaging properties of the modalities used (e. g. poor soft tissue contrast between tumor and normal tissues, image distortion). The former error can be minimized by using intraoperative images, and the latter by a low magnetic field MRI system that produces better soft tissue contrast with less image distortion than that of a high magnetic field MRI system. MRI-guided stereotaxy based on intraoperative imaging requires both a receiver coil with high diagnostic performance and a conventional stereotactic system allowing uninterrupted MRI scanning. We developed a stereotactic coil which serves both as a radiofrequency receiver coil for intraoperative MR imaging, and as a stereotactic frame. This integrated coil provided adequate soft tissue contrast images for intraoperative diagnosis in a clinical trial. Using the integrated coil we built an intraoperative biopsy system. During experimental testing, biopsy needle positioning error, based on T2-weighed images obtained at the magnetic field center, was 0.2 mm. In a clinical trial, positioning error between the estimated target center and the actual position was 0.93 mm. Thus, this system could work as a stereotactic surgical apparatus. We conclude that our system would be clinically useful and functional, allowing integration of intraoperative MR imaging and stereotactic needle biopsy. | |||||
著者所属 | ||||||
東京女子医科大学大学院先端生命医科学系先端工学外科学 | ||||||
著者所属 | ||||||
東京女子医科大学大学院先端生命医科学系先端工学外科学 | ||||||
著者所属 | ||||||
東京女子医科大学大学院先端生命医科学系先端工学外科学 | ||||||
著者所属 | ||||||
東京女子医科大学大学院先端生命医科学系先端工学外科学 | ||||||
著者キーワード | ||||||
主題Scheme | Other | |||||
主題 | image-guided | |||||
著者キーワード | ||||||
主題Scheme | Other | |||||
主題 | intraoperative MRI | |||||
著者キーワード | ||||||
主題Scheme | Other | |||||
主題 | image distortion | |||||
著者キーワード | ||||||
主題Scheme | Other | |||||
主題 | stereotactic coil | |||||
著者キーワード | ||||||
主題Scheme | Other | |||||
主題 | stereotactic biopsy |