Comparison of CT images with average intensity projection, free breathing, and mid‐ventilation for dose calculation in lung cancer
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DOI: 10.1002/acm2.12037
Abstract: &NA; The purpose of this study was to compare three computed tomography (CT) images under different conditions—average intensity projection (AIP), free breathing (FB), mid‐ventilation (MidV)—used for radiotherapy contouring and planning in lung cancer patients. Two… read more here.
Keywords: cancer; average intensity; dose calculation; lung cancer ... See more keywords
Evaluation of dose calculation accuracy of treatment planning systems at hip prosthesis interfaces
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DOI: 10.1002/acm2.12060
Abstract: &NA; There are an increasing number of radiation therapy patients with hip prosthesis. The common method of minimizing treatment planning inaccuracies is to avoid radiation beams to transit through the prosthesis. However, the beams often… read more here.
Keywords: dose calculation; treatment planning; prosthesis; planning systems ... See more keywords
Evaluation of a commercial Monte Carlo dose calculation algorithm for electron treatment planning
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DOI: 10.1002/acm2.12622
Abstract: Abstract The RayStation treatment planning system implements a Monte Carlo (MC) algorithm for electron dose calculations. For a TrueBeam accelerator, beam modeling was performed for four electron energies (6, 9, 12, and 15 MeV), and… read more here.
Keywords: phantom; algorithm electron; dose calculation; treatment planning ... See more keywords
Evaluation of skin dose calculation factors in interventional fluoroscopy
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DOI: 10.1002/acm2.12725
Abstract: Abstract Purpose The purpose of this study was to measure fluoroscopic dose calculation factors for modern fluoroscopy‐guided interventional (FGI) systems, and to fit to analytical functions for peak skin dose (PSD) calculation. Methods Table transmission… read more here.
Keywords: kcf; dose calculation; calculation; field size ... See more keywords
Impact of computed tomography (CT) reconstruction kernels on radiotherapy dose calculation
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DOI: 10.1002/acm2.12994
Abstract: Abstract Purpose To quantitatively evaluate the effect of computed tomography (CT) reconstruction kernels on various dose calculation algorithms with heterogeneity correction. Methods The gammex electron density (ED) Phantom was scanned with the Siemens PET/CT Biograph20… read more here.
Keywords: computed tomography; dose calculation; calculation; electron ... See more keywords
Commissioning and clinical implementation of the first commercial independent Monte Carlo 3D dose calculation to replace CyberKnife M6™ patient‐specific QA measurements
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DOI: 10.1002/acm2.13046
Abstract: Abstract Purpose To report on the commissioning and clinical validation of the first commercially available independent Monte Carlo (MC) three‐dimensional (3D) dose calculation for CyberKnife robotic radiosurgery system® (Accuray, Sunnyvale, CA). Methods The independent dose… read more here.
Keywords: commissioning clinical; patient specific; dose calculation; independent monte ... See more keywords
Investigation of Halcyon multi‐leaf collimator model in Eclipse treatment planning system: A focus on the VMAT dose calculation with the Acuros XB algorithm
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DOI: 10.1002/acm2.13519
Abstract: Abstract Purpose The dual‐layer multi‐leaf collimator (MLC) in Halcyon involves further complexities in the dose calculation process, because the leaf‐tip transmission varies according to the leaf trailing pattern. For the volumetric modulated arc therapy (VMAT)… read more here.
Keywords: dose calculation; layer; vmat; leaf ... See more keywords
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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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
Model refinement increases confidence levels and clinical agreement when commissioning a three‐dimensional secondary dose calculation system
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DOI: 10.1002/acm2.13590
Abstract: Abstract Purpose Evaluate custom beam models for a second check dose calculation system using statistically verifiable passing criteria for film analysis, DVH, and 3D gamma metrics. Methods Custom beam models for nine linear accelerators for… read more here.
Keywords: agreement; dose calculation; gamma; calculation system ... See more keywords
Monte Carlo modeling of the Elekta Versa HD and patient dose calculation with EGSnrc/BEAMnrc
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DOI: 10.1002/acm2.13715
Abstract: Abstract Introduction Numerous studies have proven the Monte Carlo method to be an accurate means of dose calculation. Although there are several commercial Monte Carlo treatment planning systems (TPSs), some clinics may not have access… read more here.
Keywords: patient; dose calculation; monte carlo; patient dose ... See more keywords
Still equivalent for dose calculation in the Monte Carlo era? A comparison of free breathing and average intensity projection CT datasets for lung SBRT using three generations of dose calculation algorithms
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DOI: 10.1002/mp.12193
Abstract: Purpose Inhomogeneity dose modeling and respiratory motion description are two critical technical challenges for lung stereotactic body radiotherapy, an important treatment modality for small size primary and secondary lung tumors. Recent studies revealed lung density‐dependent… read more here.
Keywords: dose calculation; monte carlo; density differences; density ... See more keywords