Quality assurance evaluation demonstrates measurement-to-calculation agreement in dynamically collimated proton therapy, highlighting the need for patient-specific verification.
The dynamic collimation system (DCS) provides energy layer-specific collimation for pencil beam scanning (PBS) proton therapy using two pairs of orthogonal nickel trimmer blades. While excellent measurement-to-calculation agreement has been demonstrated for simple cube-shaped DCS-trimmed dose distributions, no comparison of measurement and dose calculation has been made for patient-specific treatment plans.
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Bennett et al. (2024) studied this question.
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