2023
DOI: 10.1002/mp.16288
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Evaluation of plan quality and treatment efficiency in cranial stereotactic radiosurgery treatment plans with a variable source‐to‐axis distance

Abstract: Introduction: Radiotherapy deliveries with dynamic couch motions that shorten the source-to-axis distance (SAD) on a C-arm linac have the potential to increase treatment efficiency through the increase of the effective dose rate. In this investigation, we convert clinically deliverable volumetric modulated arc therapy (VMAT) and dynamic conformal arc (DCA) plans for cranial radiosurgery into virtual isocenter plans through implementation of couch trajectories that maintain the target at a shortened but variabl… Show more

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Cited by 2 publications
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“…A recent study illustrates excellent gamma pass rates of more than 98% using 1%/1 mm criteria for dose pro les from stereotactic radiosurgery using a gamma knife (Hu et al, 2022). Another study shows gamma pass rates of more than 95% using 5%/1 mm criteria for VMAT treatment (Church et al, 2023). However, both studies were limited to 2D dosimeters using EBT lms that are built into the commercial MAX-HD phantom.…”
Section: Introductionmentioning
confidence: 99%
“…A recent study illustrates excellent gamma pass rates of more than 98% using 1%/1 mm criteria for dose pro les from stereotactic radiosurgery using a gamma knife (Hu et al, 2022). Another study shows gamma pass rates of more than 95% using 5%/1 mm criteria for VMAT treatment (Church et al, 2023). However, both studies were limited to 2D dosimeters using EBT lms that are built into the commercial MAX-HD phantom.…”
Section: Introductionmentioning
confidence: 99%