Evaluation of plan quality and treatment efficiency for single‐isocenter/two‐lesion lung stereotactic body radiation therapy
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.12500
Abstract: Abstract Purpose/objectives To evaluate the plan quality and treatment delivery efficiency of single‐isocenter/two‐lesions volumetric modulated arc therapy (VMAT) lung stereotactic body radiation therapy (SBRT). Materials/methods Eight consecutive patients with two peripherally located early stage nonsmall‐cell‐lung… read more here.
Keywords: treatment; single isocenter; plan; isocenter ... See more keywords
Optical emission‐based phantom to verify coincidence of radiotherapy and imaging isocenters on an MR‐linac
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13377
Abstract: Abstract Purpose Demonstrate a novel phantom design using a remote camera imaging method capable of concurrently measuring the position of the x‐ray isocenter and the magnetic resonance imaging (MRI) isocenter on an MR‐linac. Methods A… read more here.
Keywords: phantom; radiotherapy; optical emission; coincidence ... See more keywords
Design of a novel 5‐camera surface guidance system with multiple imaging isocenters
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13750
Abstract: Abstract Purpose/objective(s) Surface‐guided radiation therapy (SGRT) can track the patient surface noninvasively to complement radiographic image‐guided radiation therapy with a standard 3‐camera system and a single radiation/image isocenter. Here we report the commissioning of a… read more here.
Keywords: system; camera; isocenter; surface ... See more keywords
Optimization of isocenter position for multiple targets with nonuniform‐margin expansion
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13853
Abstract: Abstract Purpose The single isocenter for multiple‐target (SIMT) technique has become a popular treatment technique for multiple brain metastases. We have implemented a method to obtain a nonuniform margin for SIMT technique. In this study,… read more here.
Keywords: isocenter position; isocenter; volume; margin ... See more keywords
Technical Note: A method for generating lesion-specific non-uniform rotational margins for targets remote from isocenter.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.16013
Abstract: PURPOSE To present a novel method for generating non-uniform lesion-specific rotational margins for targets remote from isocenter, as encountered in single isocenter multiple metastasis radiotherapy (SIMMRT). METHODS Target contours are rotated using a large series… read more here.
Keywords: rotational margins; uncertainty; isocenter; lesion specific ... See more keywords
An improved method for evaluating LINAC isocenter.
Sign Up to like & getrecommendations! Published in 2023 at "Medical physics"
DOI: 10.1002/mp.16341
Abstract: BACKGROUND The traditional approach to medical linear accelerator (LINAC) isocenter quality assurance is to compare the radius of the LINAC isocenter, determined via analysis of Winston-Lutz (WL) dataset, to a threshold in order to approve… read more here.
Keywords: linac isocenter; matrix; mathcal matrix; isocenter ... See more keywords
32. Linac based VMAT radiosurgery for multiple brain lesions: comparison between a conventional multi-isocenter approach and a new dedicated mono-isocenter 4π technique (HyperArc™)
Sign Up to like & getrecommendations! Published in 2018 at "Physica Medica"
DOI: 10.1016/j.ejmp.2018.04.042
Abstract: Purpose Linac based VMAT radiosurgery (SRS) of multiple brain lesions (MBL) is typically performed by a multiple-isocenter approach, i.e.one isocenter per lesion.Here we present the worldwide first experience with a new mono-isocenter technique with multiple… read more here.
Keywords: based vmat; hyperarc; linac based; isocenter approach ... See more keywords
Simultaneous optimization of isocenter locations and sector duration in radiosurgery.
Sign Up to like & getrecommendations! Published in 2019 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aaf7ce
Abstract: Stereotactic radiosurgery is an effective technique to treat brain tumors for which several inverse planning methods may be appropriate. We propose an integer programming model to simultaneous sector duration and isocenter optimization (SDIO) problem for… read more here.
Keywords: sector duration; sector; simultaneous optimization; isocenter ... See more keywords
An integrated quality assurance phantom for frameless single-isocenter multitarget stereotactic radiosurgery.
Sign Up to like & getrecommendations! Published in 2020 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab8534
Abstract: Purpose:Brain stereotactic-radiosurgery (SRS) treatments require multiple quality-assurance (QA) procedures to ensure accurate and precise treatment delivery. As single-isocenter multitarget SRS treatments become more popular, the quantification of off-axis accuracy of the linear-accelerator is crucial. In… read more here.
Keywords: phantom; accuracy; single isocenter; isocenter ... See more keywords
Selection of single-isocenter for multiple-target stereotactic brain radiosurgery to minimize total margin volume.
Sign Up to like & getrecommendations! Published in 2020 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab9703
Abstract: Treating multiple brain metastases with a single isocenter improves efficiency but requires margins to account for rotation induced shifts that increase with target-to-isocenter distance. A method to select the single isocenter position that minimizes the… read more here.
Keywords: volume; total margin; target; single isocenter ... See more keywords
Development and Longitudinal Analysis of Plan-Based Streamlined Quality Assurance on Multiple Positioning Guidance Systems With Single Phantom Setup
Sign Up to like & getrecommendations! Published in 2021 at "Frontiers in Oncology"
DOI: 10.3389/fonc.2021.683733
Abstract: Purpose This study was to propose and validate an efficient and streamlined quality assurance (QA) method with a single phantom setup to check performances of patient positioning guidance systems including six-degree-of-freedom (6DoF) couch, X-ray modalities… read more here.
Keywords: streamlined quality; guidance; isocenter; guidance systems ... See more keywords