Physical validation of a Monte Carlo‐based, phantom‐derived approach to computed tomography organ dosimetry under tube current modulation
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12461
Abstract: Purpose: To physically validate the accuracy of a Monte Carlo‐based, phantom‐derived methodology for computed tomography (CT) dosimetry that utilizes organ doses from precomputed axial scans and that accounts for tube current modulation (TCM). Methods: The… read more here.
Keywords: organ dose; phantom; monte carlo; carlo based ... See more keywords
Are age and gender suitable matching criteria in organ dose reconstruction using surrogate childhood cancer patients’ CT scans?
Sign Up to like & getrecommendations! Published in 2018 at "Medical Physics"
DOI: 10.1002/mp.12908
Abstract: PURPOSE The purpose of this work was to assess the feasibility of using surrogate CT scans of matched patients for organ dose reconstructions for childhood cancer (CC) survivors, treated in the past with only 2D… read more here.
Keywords: reconstruction; age gender; using surrogate; organ dose ... See more keywords
A database of 40 patient-based computational models for benchmarking organ dose estimates in CT.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14373
Abstract: PURPOSE Patient radiation burden in CT can best be characterized through risk estimates derived from organ doses. Organ doses can be estimated by Monte Carlo simulations of the CT procedures on computational phantoms assumed to… read more here.
Keywords: organ dose; organ doses; patient based; database ... See more keywords
A GPU-accelerated framework for individualized estimation of organ dose in digital tomosynthesis.
Sign Up to like & getrecommendations! Published in 2021 at "Medical physics"
DOI: 10.1002/mp.15400
Abstract: PURPOSE Estimation of organ dose in digital tomosynthesis (DT) is challenging due to the lack of existing tools to accurately and flexibly model protocol- and view-specific collimations and the motion trajectories of the source and… read more here.
Keywords: organ dose; individualized estimation; framework; organ doses ... See more keywords
Dose coefficients for organ dosimetry in tomosynthesis imaging of adults and pediatrics across diverse protocols.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15798
Abstract: PURPOSE The gold-standard method for estimation of patient-specific organ doses in digital tomosynthesis (DT) requires protocol-specific Monte Carlo (MC) simulations of radiation transport in anatomically accurate computational phantoms. Although accurate, MC simulations are computationally expensive,… read more here.
Keywords: exam protocols; patient specific; patient; air kerma ... See more keywords
53. IGRT Cone Beam CT: Patient specific organ dose evaluation
Sign Up to like & getrecommendations! Published in 2018 at "Physica Medica"
DOI: 10.1016/j.ejmp.2018.04.063
Abstract: Purpose Daily images from CBCT could deliver significant dose to the patient, which should be considered and evaluated. It is essential to associate the absorbed dose delivered by the imaging procedures to the treatment of… read more here.
Keywords: organ dose; protocol; cone beam; cbct ... See more keywords
Rapid switching kVp dual energy CT: Value of reconstructed dual energy CT images and organ dose assessment in multiphasic liver CT exams.
Sign Up to like & getrecommendations! Published in 2018 at "European journal of radiology"
DOI: 10.1016/j.ejrad.2018.02.022
Abstract: PURPOSE Clinical applications of dual energy computed tomography (DECT) have been widely reported; however, the importance of the different image reconstructions and radiation organ dose remains a relevant area of investigation, particularly considering the different… read more here.
Keywords: organ dose; image; energy; anatomy ... See more keywords
A scalable database of organ doses for common diagnostic fluoroscopy examinations of children: procedures of current practice at the University of Florida.
Sign Up to like & getrecommendations! Published in 2019 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab1bad
Abstract: Of all the medical imaging modalities that utilize ionizing radiation, fluoroscopy proves to be the most difficult to assess values of patient organ dose owing to the dynamic and patient-specific nature of the irradiation geometry… read more here.
Keywords: organ dose; diagnostic fluoroscopy; study; organ doses ... See more keywords
Organ dose variability and trends in tomosynthesis and radiography
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Medical Imaging"
DOI: 10.1117/1.jmi.4.3.031207
Abstract: Abstract. The purpose of this study was to investigate relationships between patient attributes and organ dose for a population of computational phantoms for 20 tomosynthesis and radiography protocols. Organ dose was estimated from 54 adult… read more here.
Keywords: organ dose; dose variability; tomosynthesis; tomosynthesis radiography ... See more keywords
Breast dose reduction with organ-based, wide-angle tube current modulated CT
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DOI: 10.1117/1.jmi.4.3.031208
Abstract: Abstract. This study aimed to estimate the organ dose reduction potential for organ-dose-based tube current modulated (ODM) thoracic computed tomography (CT) with a wide dose reduction arc. Twenty-one computational anthropomorphic phantoms (XCAT) were used to… read more here.
Keywords: organ dose; current modulated; tube current; breast dose ... See more keywords
A comparison of pediatric and adult CT organ dose estimation methods
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DOI: 10.1186/s12880-017-0199-3
Abstract: BackgroundComputed Tomography (CT) contributes up to 50% of the medical exposure to the United States population. Children are considered to be at higher risk of developing radiation-induced tumors due to the young age of exposure… read more here.
Keywords: organ dose; adult; range; dose estimation ... See more keywords