Articles with "multileaf collimator" as a keyword



Development of a Geant4‐based independent patient dose validation system with an elaborate multileaf collimator simulation model

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Published in 2019 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12530

Abstract: Abstract Despite the improvements in the dose calculation models of the commercial treatment planning systems (TPS), their ability to accurately predict patient dose is still limited. One of the limitations is caused by the simplified… read more here.

Keywords: system; model; patient dose; multileaf collimator ... See more keywords

Commissioning a multileaf collimator virtual cone for the stereotactic radiosurgery of trigeminal neuralgia

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13562

Abstract: Abstract A multileaf collimator (MLC), virtual‐cone treatment technique has been commissioned for trigeminal neuralgia (TGN) at Tri‐Cities Cancer Center (TCCC). This novel technique was initially developed at the University of Alabama in Birmingham (UAB); it… read more here.

Keywords: multileaf collimator; virtual cone; trigeminal neuralgia; cone ... See more keywords

Determination of commissioning criteria for multileaf‐collimator, stereotactic radiosurgery treatments on Varian TrueBeam and Edge machines using a novel anthropomorphic phantom

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13581

Abstract: Abstract An anthropomorphic phantom has been developed by Varian Medical Systems for commissioning multileaf‐collimator (MLC), stereotactic radiosurgery (SRS) treatments on Varian TrueBeam and Edge linear accelerators. Northwest Medical Physics Center (NMPC) has collected end‐to‐end data… read more here.

Keywords: stereotactic radiosurgery; commissioning criteria; anthropomorphic phantom; treatment ... See more keywords

Predicting gamma evaluation results of patient‐specific head and neck volumetric‐modulated arc therapy quality assurance based on multileaf collimator patterns and fluence map features: A feasibility study

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13622

Abstract: Abstract The purpose of this study was to develop a predictive model for patient‐specific VMAT QA results using multileaf collimator (MLC) effect and texture analysis. The MLC speed, acceleration and texture analysis features were extracted… read more here.

Keywords: patient specific; gamma criteria; adaboost classification; model ... See more keywords

Characterization of a novel VenusX orthogonal dual‐layer multileaf collimator

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Published in 2024 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.14357

Abstract: Abstract Purpose To investigate and characterize the performance of a novel orthogonal dual‐layer alpha multileaf collimator (αMLC) mounted on the LinaTech VenusX linac. Methods We evaluated leaf positioning accuracy and reproducibility using an electronic portal… read more here.

Keywords: layer; multileaf collimator; orthogonal dual; dual layer ... See more keywords

Linac-based fractionated stereotactic radiotherapy with a micro-multileaf collimator for brainstem metastasis.

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Published in 2019 at "World neurosurgery"

DOI: 10.1016/j.wneu.2019.08.049

Abstract: BACKGROUND To assess the neuroimaging and clinical outcomes in patients with brainstem metastasis (BSM) treated with linac-based fractionated stereotactic radiotherapy (fSRT) with a micro-multileaf collimator. METHODS Between May 2007 and January 2017, 24 patients (15… read more here.

Keywords: based fractionated; multileaf collimator; linac based; micro multileaf ... See more keywords

Dosimetric Comparison of Treatment Plans Computed With Finite Size Pencil Beam and Monte Carlo Algorithms Using the InCise™ Multileaf Collimator-Equipped Cyberknife® System

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Published in 2020 at "Journal of Medical Physics"

DOI: 10.4103/jmp.jmp_64_19

Abstract: Purpose: InCise™ multileaf collimator (MLC) was introduced for CyberKnife® (CK) Robotic Radiosurgery System (CK-MLC) in 2015, and finite size pencil beam (FSPB) was the only available dose computation algorithm for treatment plans of CK-MLC system.… read more here.

Keywords: system; lung; treatment; treatment plans ... See more keywords