期刊
BIOMIMETICS
卷 8, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/biomimetics8020230
关键词
anthropomorphic phantom; CT scan; dosimetry; experimental radiotherapy; microbeam radiotherapy (MRT); tissue-equivalent materials; therapy planning
The production of anthropomorphic phantoms from tissue-equivalent materials is challenging yet necessary for clinical trials in radiotherapy. In this study, we designed and produced a partial upper arm phantom and compared it to patient data. Dose simulations and experiments were conducted to validate the phantom's accuracy. The results demonstrated the effectiveness of the phantom in experimental high-dose-rate radiotherapy.
The production of anthropomorphic phantoms generated from tissue-equivalent materials is challenging but offers an excellent copy of the typical environment encountered in typical patients. High-quality dosimetry measurements and the correlation of the measured dose with the biological effects elicited by it are a prerequisite in preparation of clinical trials with novel radiotherapy approaches. We designed and produced a partial upper arm phantom from tissue-equivalent materials for use in experimental high-dose-rate radiotherapy. The phantom was compared to original patient data using density values and Hounsfield units obtained from CT scans. Dose simulations were conducted for broad-beam irradiation and microbeam radiotherapy (MRT) and compared to values measured in a synchrotron radiation experiment. Finally, we validated the phantom in a pilot experiment with human primary melanoma cells.
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