Search Results - "Mans, Anton"
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Volumetric-Modulated Arc Therapy for Stereotactic Body Radiotherapy of Lung Tumors: A Comparison With Intensity-Modulated Radiotherapy Techniques
Published in International journal of radiation oncology, biology, physics (01-12-2011)“…Purpose To demonstrate the potential of volumetric-modulated arc therapy (VMAT) compared with intensity-modulated radiotherapy (IMRT) techniques with a limited…”
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3D Dosimetric verification of volumetric-modulated arc therapy by portal dosimetry
Published in Radiotherapy and oncology (01-02-2010)“…Abstract Background and purpose To demonstrate the feasibility of back-projection portal dosimetry for accurate 3D dosimetric verification of…”
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3
Impact of daily anatomical changes on EPID-based in vivo dosimetry of VMAT treatments of head-and-neck cancer
Published in Radiotherapy and oncology (01-07-2015)“…Abstract Background and purpose Target dose verification for VMAT treatments of head-and-neck (H&N) cancer using 3D in vivo EPID dosimetry is expected to be…”
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4
Comparison of gamma- and DVH-based in vivo dosimetric plan evaluation for pelvic VMAT treatments
Published in Radiotherapy and oncology (01-12-2017)“…To compare DVH-based quality assurance to a multi-parametric γ-based methodology for in vivo EPID dosimetry for VMAT to the pelvis. For 47 rectum, 37 prostate,…”
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A simple backprojection algorithm for 3D in vivo EPID dosimetry of IMRT treatments
Published in Medical physics (Lancaster) (01-07-2009)“…Treatment plans are usually designed, optimized, and evaluated based on the total 3D dose distribution, motivating a total 3D dose verification. The purpose of…”
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Clinical rationale for in vivo portal dosimetry in magnetic resonance guided online adaptive radiotherapy
Published in Physics and imaging in radiation oncology (01-07-2022)“…•In vivo EPID dosimetry can be used in magnetic resonance guided online therapy to detect both patient related deviations and workflow incidents.•In vivo EPID…”
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Virtual patient 3D dose reconstruction using in air EPID measurements and a back-projection algorithm for IMRT and VMAT treatments
Published in Physica medica (01-05-2017)“…•A back-projection algorithm reconstructs pre-treatment patient 3D dose distributions.•The algorithm uses in air EPID measurements and patient CT data.•The…”
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Extending in aqua portal dosimetry with dose inhomogeneity conversion maps for accurate patient dose reconstruction in external beam radiotherapy
Published in Physics and imaging in radiation oncology (01-04-2022)“…In aqua dosimetry with electronic portal imaging devices (EPIDs) allows for dosimetric treatment verification in external beam radiotherapy by comparing…”
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Needle use and dosimetric evaluation in cervical cancer brachytherapy using the Utrecht applicator
Published in Radiotherapy and oncology (01-03-2018)“…To analyse the clinical use of needles and examine the feasibility to meet the planning criteria in three fractions of cervical cancer brachytherapy…”
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10
Reduction of systematic dosimetric uncertainties in volumetric modulated arc therapy triggered by patient-specific quality assurance
Published in Physics and imaging in radiation oncology (01-01-2022)“…Dosimetric patient-Specific Quality Assurance (PSQA) data contain in addition to cases with alerts, many cases without alerts. The aim of this study was to…”
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Simplifying EPID dosimetry for IMRT treatment verification
Published in Medical physics (Lancaster) (01-02-2011)“…Purpose: Electronic portal imaging devices (EPIDs) are increasingly used for IMRT dose verification, both pretreatment andin vivo. In this study, an earlier…”
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Implementation of state-of-the-art (chemo)radiation for advanced cervix cancer in the Netherlands: A quality improvement program
Published in Technical innovations & patient support in radiation oncology (01-03-2019)“…•A Dutch Quality Improvement Program for chemoradiation of LACC in was succesfully implemented.•EBRT and BT treatment planning results improved in time between…”
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Prediction of optimal needle configuration in the first fraction of cervix brachytherapy
Published in Physics and imaging in radiation oncology (01-04-2019)“…Applying needles in the first brachytherapy (BT) fraction for patients with locally advanced cervical cancer allows for more dose conformality and OAR sparing,…”
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14
Site‐specific alert criteria to detect patient‐related errors with 3D EPID transit dosimetry
Published in Medical physics (Lancaster) (01-01-2019)“…Purpose To assess the sensitivity of various EPID dosimetry alert indicators to patient‐related variations and to determine alert threshold values that ensure…”
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15
865: Clinical evaluation of organs at risk deep learning auto-segmentation for cervix brachytherapy
Published in Radiotherapy and oncology (01-05-2024)Get full text
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The effect of the choice of patient model on the performance of in vivo 3D EPID dosimetry to detect variations in patient position and anatomy
Published in Medical physics (Lancaster) (01-01-2020)“…Purpose In vivo EPID dosimetry is meant to trigger on relevant differences between delivered and planned dose distributions and should therefore be sensitive…”
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Online 3D EPID-based dose verification: Proof of concept
Published in Medical physics (Lancaster) (01-07-2016)“…Purpose: Delivery errors during radiotherapy may lead to medical harm and reduced life expectancy for patients. Such serious incidents can be avoided by…”
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Automatic dosimetric verification of online adapted plans on the Unity MR-Linac using 3D EPID dosimetry
Published in Radiotherapy and oncology (01-04-2021)“…•Automatic dosimetric verification of online adapted plans on the Unity MR-Linac is feasible using in vivo 3D EPID dosimetry.•Although additional work is…”
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3D dosimetric verification of unity MR-linac treatments by portal dosimetry
Published in Radiotherapy and oncology (01-05-2020)“…•A QA tool for 3D verification of MR-linac treatments using EPID images was built.•Pre-treatment QA using ‘in-air’ portal images was performed.•Pre-treatment…”
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Two‐dimensional EPID dosimetry for an MR‐linac: Proof of concept
Published in Medical physics (Lancaster) (01-09-2019)“…Purpose At our institute, in vivo patient dose distributions are reconstructed for all treatments delivered using conventional linacs from electronic portal…”
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