Experimental validation of a 4D dynamic dose calculation model for proton pencil beam scanning without spot time stamp considering free‐breathing motion
Yuki Tominaga,
Masataka Oita,
Junya Miyata
et al.
Abstract:PurposeWe developed a 4‐dimensional dynamic dose (4DDD) calculation model for proton pencil beam scanning (PBS). This model incorporates the spill start time for all energies and uses the remaining irradiated spot time model instead of irradiated spot time logs. This study aimed to validate the calculation accuracy of a log file‐based 4DDD model by comparing it with dose measurements performed under free‐breathing conditions, thereby serving as an alternative approach to the conventional log file‐based system.… Show more
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