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Verification Of The Clinical Implementation Of The Respiratory Gated Beam Delivery Technique With Synchrotron-Based Proton Irradiation, Yoshikazu Tsunashima
Verification Of The Clinical Implementation Of The Respiratory Gated Beam Delivery Technique With Synchrotron-Based Proton Irradiation, Yoshikazu Tsunashima
Dissertations & Theses (Open Access)
The clinical advantage for protons over conventional high-energy x-rays stems from their unique depth-dose distribution, which delivers essentially no dose beyond the end of range. In order to achieve it, accurate localization of the tumor volume relative to the proton beam is necessary. For cases where the tumor moves with respiration, the resultant dose distribution is sensitive to such motion. One way to reduce uncertainty caused by respiratory motion is to use gated beam delivery. The main goal of this dissertation is to evaluate the respiratory gating technique in both passive scattering and scanning delivery mode. Our hypothesis for the …