Title |
Evaluation of inter-observer variability of bladder boundary delineation on cone-beam CT
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Published in |
Radiation Oncology, July 2013
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DOI | 10.1186/1748-717x-8-185 |
Pubmed ID | |
Authors |
Kentaro Nishioka, Shinichi Shimizu, Rumiko Kinoshita, Tetsuya Inoue, Shunsuke Onodera, Koichi Yasuda, Keiichi Harada, Yukiko Nishikawa, Rikiya Onimaru, Hiroki Shirato |
Abstract |
In-room cone-beam computerized tomography (CBCT) imaging is a promising method to reduce setup errors, especially in organs such as the bladder that often have large intrafractional variations due to organ movement. CBCT image quality is limited by low contrast and imaging artifacts, but few data have been reported about inter-observer variability of bladder boundary delineation on CBCT. The aim of this work was to analyze and evaluate the inter-observer contouring uncertainties of bladder boundary delineation on CBCT images in a prospective fashion. |
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United States | 1 | 100% |
Demographic breakdown
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Members of the public | 1 | 100% |
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Geographical breakdown
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Unknown | 62 | 100% |
Demographic breakdown
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Student > Ph. D. Student | 8 | 13% |
Student > Master | 8 | 13% |
Student > Bachelor | 8 | 13% |
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Student > Doctoral Student | 5 | 8% |
Other | 15 | 24% |
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Psychology | 2 | 3% |
Other | 4 | 6% |
Unknown | 14 | 23% |