Efficient optimization of R50% when planning multiple cranial metastases simultaneously in single isocenter SRS/SRT
نویسندگان
چکیده
منابع مشابه
Optimization Algorithm for Single-Isocenter VMAT Stereotactic Radiosurgery for Multiple Brain Metastases
Objectives: Developing an optimal Stereotactic radiosurgery (SRS) plan for multiple brain metastases can be a labor intensive process. Single-isocenter multi-arc volumetrically modulated arc therapy (VMAT) has been used as an SRS technique, in which a Linear Accelerator (Linac) delivers targeted radiation along multiple arc angles as it rotates around the isocenter. Standardized arc angles with...
متن کاملInstitutional experience with SRS VMAT planning for multiple cranial metastases
BACKGROUND AND PURPOSE This study summarizes the cranial stereotactic radiosurgery (SRS) volumetric modulated arc therapy (VMAT) procedure at our institution. MATERIALS AND METHODS Volumetric modulated arc therapy plans were generated for 40 patients with 188 lesions (range 2-8, median 5) in Eclipse and treated on a TrueBeam STx. Limitations of the custom beam model outside the central 2.5 mm...
متن کاملDosimetric validation for an automatic brain metastases planning software using single‐isocenter dynamic conformal arcs
An automatic brain-metastases planning (ABMP) software has been installed in our institution. It is dedicated for treating multiple brain metastases with radiosurgery on linear accelerators (linacs) using a single-setup isocenter with noncoplanar dynamic conformal arcs. This study is to validate the calculated absolute dose and dose distribution of ABMP. Three types of measurements were perform...
متن کاملSingle-Isocenter Frameless Volumetric Modulated Arc Radiosurgery for Multiple Intracranial Metastases.
BACKGROUND Stereotactic radiosurgery (SRS) is a well-accepted treatment for patients with intracranial metastases, but outcomes with volumetric modulated arc radiosurgery (VMAR) are poorly described. OBJECTIVE To report our initial clinical experience applying a novel single-isocenter technique to frameless VMAR for simultaneous treatment of multiple intracranial metastases. METHODS We perf...
متن کاملOptimization of multiple-isocenter treatment planning for linac-based stereotactic radiosurgery.
OBJECTIVE Computer-assisted treatment planning for linac-based radiosurgery is still an open research problem, especially for multiple-isocenter procedures, primarily due to its high complexity and computational requirements. This paper focuses on the optimization of multiple-isocenter treatment planning for linac systems, and addresses several important issues associated with multiple isocente...
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ژورنال
عنوان ژورنال: Journal of Applied Clinical Medical Physics
سال: 2021
ISSN: 1526-9914,1526-9914
DOI: 10.1002/acm2.13254