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5 March 2021 Ionizing radiation acoustic imaging (iRAI) for real-time monitoring of flash mode external beam radiotherapy
Wei Zhang, Ibrahim Oraiqat, Dale Litzenberg, Kwok Lam, Noora Ba Sunbul, Jean Moran, Kyle Cuneo, Paul Carson, Issam El Naqa, Xueding Wang
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Proceedings Volume 11642, Photons Plus Ultrasound: Imaging and Sensing 2021; 116420V (2021) https://doi.org/10.1117/12.2576601
Event: SPIE BiOS, 2021, Online Only
Abstract
As a newly invented technology, ionizing radiation acoustic imaging (iRAI) provides a potential solution for in vivo dosimetry and real-time online monitoring of radiation beam position during external beam radiotherapy, including both conventional and FLASH radiotherapy. In this study, the dose resolution as low as 1% from a single pulse was achieved, demonstrating a clinically acceptable sensitivity of iRAI in mapping the dose deposition. The relative displacement of the radiation beam with respect to the target tissue can be visualized in real time by our clinically ready iRAI and ultrasound (US) dual-modality imaging system.
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Wei Zhang, Ibrahim Oraiqat, Dale Litzenberg, Kwok Lam, Noora Ba Sunbul, Jean Moran, Kyle Cuneo, Paul Carson, Issam El Naqa, and Xueding Wang "Ionizing radiation acoustic imaging (iRAI) for real-time monitoring of flash mode external beam radiotherapy", Proc. SPIE 11642, Photons Plus Ultrasound: Imaging and Sensing 2021, 116420V (5 March 2021); https://doi.org/10.1117/12.2576601
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KEYWORDS
Radiotherapy
Acoustics
Ionizing radiation
Real time imaging
Tissues
Imaging systems
Liver
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