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KMID : 0357520170400010087
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Journal of Radiological Science and Technology
2017 Volume.40 No. 1 p.87 ~ p.92
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Dose Evaluation of Three-Dimensional Small Animal Phantom with Film Dosimetry
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Han Su-Cheol
Park Seung-Woo
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Abstract
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The weight of small animal dosimetry has been continuously increased in pre-clinical studies using radiation in small animals. In this study, three-dimensional(3D) small animal phantom was fabricated using 3D printer which has been continuously used and studied in the various fields. The absorbed dose of 3D animal phantom was evaluated by film dosimetry. Previously, the response of film was obtained from the materials used for production of 3D small animal phantom and compared with the bolus used as the tissue equivalent material in the radiotherapy. When irradiated with gamma rays from 0.5 Gy to 6 Gy, it was confirmed that there was a small difference of less than 1% except 0.5 Gy dose. And when small animal phantom was irradiated with 5 Gy, the difference between the irradiated dose and calculated dose from film was within 2%. Based on this study, it would be possible to increase the reliability of dose in pre-clinical studies using irradiation in small animals by evaluating dose of 3D small animal phantom.
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KEYWORD
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Film dosimetry , 3D small animal phantom , 3D printer , 3D printer material , 60-Co
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