Articles with "quality assurance" as a keyword



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Statistical process control and verifying positional accuracy of a cobra motion couch using step‐wedge quality assurance tool

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Published in 2017 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12136

Abstract: Abstract This study utilizes process control techniques to identify action limits for TomoTherapy couch positioning quality assurance tests. A test was introduced to monitor accuracy of the applied couch offset detection in the TomoTherapy Hi‐Art… read more here.

Keywords: accuracy; process; process control; positional accuracy ... See more keywords
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Quality assurance of Cyberknife robotic stereotactic radiosurgery using an angularly independent silicon detector

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

DOI: 10.1002/acm2.12496

Abstract: Abstract Purpose The aim of this work was to evaluate the use of an angularly independent silicon detector (edgeless diodes) developed for dosimetry in megavoltage radiotherapy for Cyberknife in a phantom and for patient quality… read more here.

Keywords: silicon detector; angularly independent; independent silicon; edgeless diodes ... See more keywords
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Distributive quality assurance and delivery of stereotactic ablative radiotherapy treatments amongst beam matched linear accelerators: A feasibility study

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

DOI: 10.1002/acm2.12567

Abstract: Abstract Purpose Beam matching occurs on all linacs to some degree and when two are more are matched to each other, patients are able to be transferred between machines. Quality assurance of plans can also… read more here.

Keywords: beam matched; quality; delivery; quality assurance ... See more keywords
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Analysis of dose comparison techniques for patient‐specific quality assurance in radiation therapy

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

DOI: 10.1002/acm2.12726

Abstract: Abstract Purpose Gamma evaluation is the most commonly used technique for comparison of dose distributions for patient‐specific pretreatment quality assurance in radiation therapy. Alternative dose comparison techniques have been developed but not widely implemented. This… read more here.

Keywords: patient specific; analysis; comparison techniques; dose comparison ... See more keywords
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A quality assurance tool for daily checks of the gamma knife high definition motion management system

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Published in 2020 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13099

Abstract: Abstract Purpose This note describes the performance of a quality assurance (QA) tool built for daily checks of the Gamma Knife’s high definition motion management (HDMM) system. Methods The tool is a three‐dimensional (3D)‐printed platform… read more here.

Keywords: hdmm; system; daily checks; tool ... See more keywords
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A novel quality assurance procedure for trajectory log validation using phantom‐less real‐time latency corrected EPID images

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Published in 2021 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13202

Abstract: Abstract The use of trajectory log files for routine patient quality assurance is gaining acceptance. Such use requires the validation of the trajectory log itself. However, the accurate localization of a multileaf collimator (MLC) leaf… read more here.

Keywords: trajectory log; position; latency; quality assurance ... See more keywords
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Quality assurance for on‐table adaptive magnetic resonance guided radiation therapy: A software tool to complement secondary dose calculation and failure modes discovered in clinical routine

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

DOI: 10.1002/acm2.13523

Abstract: Abstract Online adaption of treatment plans on a magnetic resonance (MR)‐Linac enables the daily creation of new (adapted) treatment plans using current anatomical information of the patient as seen on MR images. Plan quality assurance… read more here.

Keywords: magnetic resonance; dose calculation; quality assurance; secondary dose ... See more keywords
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Assessment of a novel commercial large field of view phantom for comprehensive MR imaging quality assurance of a 0.35T MRgRT system

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

DOI: 10.1002/acm2.13535

Abstract: Abstract Consistent quality assurance (QA) programs are vital to MR‐guided radiotherapy (MRgRT), for ensuring treatment is delivered accurately and the onboard MRI system is providing the expected image quality. However, daily imaging QA with a… read more here.

Keywords: system; quality; quality assurance; mrgrt ... See more keywords
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QAMaster: A new software framework for phantom‐based computed tomography quality assurance

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

DOI: 10.1002/acm2.13588

Abstract: Abstract The regular evaluation of imaging performance of computed tomography (CT) scanners is essential for CT quality assurance. For automation of this process, the software QAMaster was developed at the Universitätsklinikum Erlangen, which provides based… read more here.

Keywords: quality assurance; computed tomography; software; quality ... See more keywords
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Knowledge‐based planning for the radiation therapy treatment plan quality assurance for patients with head and neck cancer

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

DOI: 10.1002/acm2.13614

Abstract: Abstract This study aimed to investigate the feasibility of using a knowledge‐based planning technique to detect poor quality VMAT plans for patients with head and neck cancer. We created two dose–volume histogram (DVH) prediction models… read more here.

Keywords: plan quality; quality assurance; prediction; planning ... See more keywords
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Matched linac stereotactic radiotherapy: An assessment of delivery similarity and distributive patient‐specific quality assurance feasibility

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

DOI: 10.1002/acm2.13652

Abstract: Abstract Matching multiple linacs to common baseline data allows patients to be treated, and patient‐specific quality assurance (PSQA) to be completed on any linac. Stereotactic body radiotherapy (SBRT) requires higher levels of accuracy and quality… read more here.

Keywords: quality assurance; radiotherapy; psqa; patient specific ... See more keywords