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Cone–beam CT–guided online adaptive radiotherapy system:ETHOS Therapy Hiraku Iramina 1 1Department of Radiation Oncology and Image–Applied Therapy Graduate School of Medicine, Kyoto University Keyword: 即時適応放射線治療 , コーンビームCT , AI pp.593-602
Published Date 2024/9/10
DOI https://doi.org/10.18888/rp.0000002743
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The world’s first cone–beam CT(CBCT)–guided online adaptive radiotherapy system, ETHOS Therapy system, was launched on the market in 2019. ETHOS CBCT images show comparable image quality to simulation CT due to fast scanning time(6 or 17sec)and noise suppression with iterative image reconstruction algorithm. ETHOS is capable of artificial intelligence–powered organ segmentation and intensity–modulated radiotherapy optimization, which contributed to high–speed daily replanning. Novel hardware and software features enable rapid decision–making. In this article, hardware and software characteristics, efficient workflow, advantages, and current practice and the future of ETHOS are discussed.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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