Evaluation of PTV margins and plan robustness for single isocentre multiple target stereotactic radiosurgery Article Swipe
Related Concepts
Percentile
Radiosurgery
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Mathematics
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Cheuk H. Lam
,
D. Bernstein
,
E. Wells
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1016/j.ejmp.2023.103137
· OA: W4387029774
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1016/j.ejmp.2023.103137
· OA: W4387029774
Plans were shown to be robust to average geometrical uncertainties despite targets having no margins, however occurrence of GTV under-coverage increased under 95th percentile scenarios. The margin was proven to substantially improve the target dose coverage with limited change to local normal brain doses, although not all sources of geometrical uncertainty were considered.
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