ArticleJournal of applied clinical medical physics2021
Single isocenter SRS using CAVMAT offers improved robustness to commissioning and treatment delivery uncertainty compared to VMAT.
Article in Journal of applied clinical medical physics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Increasing demands on commissioning and quality assurance for cone-based multiple brain metastases robotic radiosurgery: evaluation in a custom phantom.Physical and engineering sciences in medicine · 2026Article
- Optimizing lung SBRT delivery: A hybrid approach combining dynamic conformal arc (DCA) and volumetric modulated arc therapy (VMAT) techniques.Journal of applied clinical medical physics · 2025Article
- Generation, validation, and benchmarking of a commercial independent Monte Carlo calculation beam model for multi-target SRS.Zeitschrift fur medizinische Physik · 2025Article
- Assessing the sensitivity and suitability of a range of detectors for SIMT PSQA.Journal of applied clinical medical physics · 2024Article
- Single isocenter HyperArc treatment of multiple intracranial metastases: Targeting accuracy.Journal of applied clinical medical physics · 2024Article
- Cost-effectiveness analysis of 3 radiation treatment strategies for patients with multiple brain metastases.Neuro-oncology practice · 2023Article
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Authors and funding
7 authors.
Funding
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Abstract
purposeIn this study, we evaluate and compare single isocenter multiple target VMAT (SIMT) and Conformal Arc Informed VMAT (CAVMAT) radiosurgery's sensitivity to uncertainties in dosimetric leaf gap (DLG) and treatment delivery. CAVMAT is a novel planning technique that uses multiple target conformal arcs as the starting point for limited inverse VMAT optimization.
methodsAll VMAT and CAVMAT plans were recalculated with DLG values of 0.4, 0.8, and 1.2 mm. DLG effect on V
resultsVMAT's average maximum and minimum target dose sensitivity to DLG was 9.08 ±3.50%/mm and 9.50 ± 3.30%/mm, compared to 3.20 ± 1.60%/mm and 4.72 ± 1.60%/mm for CAVMAT. For VMAT, V
conclusionsCAVMAT remains robust to delivery uncertainties while offering a target dose sensitivity to DLG less than half that of VMAT, and 65% of that of VMAT for V
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