31 March 2016 A framework for analytical estimation of patient-specific CT dose
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Abstract
The authors introduce an algorithm to estimate the spatial dose distributions in computed tomography (CT) images. The algorithm calculates dose distributions due to the primary and scattered photons separately. The algorithm only requires the CT data set that includes the patient CT images and the scanner acquisition parameters. Otherwise the scanner acquisition parameters are extracted from the CT images. Using the developed algorithm, the dose distributions for head and chest phantoms are computed and the results show the excellent agreements with the dose distributions obtained using a commercial Monte Carlo code. The developed algorithm can be applied to a patient-specific CT dose estimation based on the CT data.
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Hanbean Youn, Hanbean Youn, Jin Woo Kim, Jin Woo Kim, Hosang Jeon, Hosang Jeon, Jiho Nam, Jiho Nam, Seungman Yun, Seungman Yun, Min Kook Cho, Min Kook Cho, Ho Kyung Kim, Ho Kyung Kim, } "A framework for analytical estimation of patient-specific CT dose", Proc. SPIE 9783, Medical Imaging 2016: Physics of Medical Imaging, 97833J (31 March 2016); doi: 10.1117/12.2216726; https://doi.org/10.1117/12.2216726
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