Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Anthony J. Hardy"'
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Evaluating Size‐Specific Dose Estimate (SSDE) as an estimate of organ doses from routine CT exams derived from Monte Carlo simulations
Autor: Maria Zankl, Grace Kim, Chris H. Cagnon, Maryam Bostani, Anthony J. Hardy, Michael F. McNitt-Gray
Publikováno v: Med. Phys. 48, 6160-6173 (2021)
Purpose Size-specific dose estimate (SSDE) is a metric that adjusts CTDIvol to account for patient size. While not intended to be an estimate of organ dose, AAPM Report 204 notes the difference between the patient organ dose and SSDE is expected to b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a54578dc649f150882bfca0c992b16ea
https://doi.org/10.1002/mp.15128
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3
Akademický článek
Prediction of Neurological Impairment in Cervical Spondylotic Myelopathy using a Combination of Diffusion MRI and Proton MR Spectroscopy.
Autor: Benjamin M Ellingson, Noriko Salamon, Anthony J Hardy, Langston T Holly
Publikováno v: PLoS ONE, Vol 10, Iss 10, p e0139451 (2015)
PurposeIn the present study we investigated a combination of diffusion tensor imaging (DTI) and magnetic resonance spectroscopic (MRS) biomarkers in order to predict neurological impairment in patients with cervical spondylosis.MethodsTwenty-seven pa
Externí odkaz: https://doaj.org/article/aad026cd25a443419d53ebd380f24247
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4
Fused x-ray and fast neutron CT reconstruction for imaging large and dense objects
Autor: Kyle M. Champley, Anthony J. Hardy, Nerine Cherepy, Andrew Townsend, James Hall, Kathryn J. Harke, Clint Carter, Joseph Bendahan, Joseph W. Tringe
Publikováno v: Journal of Applied Physics. 132:154902
Megavolt x-ray computed tomography (CT) is a powerful tool for three-dimensional characterization. However, its utility is limited for large objects composed of high-atomic number (Z) materials, where x rays fail to penetrate. Information from fast n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fab995f61f79543e819c3bd7a1bfedbd
https://doi.org/10.1063/5.0098960
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5
Improved x-ray computed tomography (CT) feature identification with complementary fast neutron CT
Autor: Kyle Champley, Anthony J. Hardy, Nerine J. Cherepy, J Hall
Publikováno v: Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIII.
Material identification is challenging for X-ray Computed Tomography (CT) when objects of interest composed of low atomic number (Z) elements are shielded by dense materials. Fast neutron CT (FNCT) can compensate for this shortcoming by providing bot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8e467ff7987bf5ae1c2ad24a1aa4245
https://doi.org/10.1117/12.2595919
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6
Neutron transmission imaging with a portable D-T neutron generator
Autor: Mayuki Ssasagawa, Kyle Champley, Andrew Townsend, Gary Guethlein, Sean O'Neal, Anthony J. Hardy, Colby J. McNamee, Nerine J. Cherepy, Jennifer Church, Phillip Kerr, J Hall
Publikováno v: Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIII.
Fast neutrons accessible from 14-MeV D-T neutron generators have higher transmission through high-Z materials compared to radiography X-rays due to a more uniform attenuation as a function of material Z. These neutrons can therefore image low-Z mater
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43b0a7d06fa73fb61887c9f5d380d956
https://doi.org/10.1117/12.2596473
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7
A comparison of breast and lung doses from chest CT scans using organ-based tube current modulation (OBTCM) vs. Automatic tube current modulation (ATCM)
Autor: Michael F. McNitt-Gray, Ei Ne Chou, Dianna D. Cody, Anthony J. Hardy, Hyun J. Kim, Rick R. Layman, Chris H. Cagnon, Maryam Bostani
Publikováno v: Journal of applied clinical medical physics, vol 22, iss 5
Journal of Applied Clinical Medical Physics
Author(s): Layman, Rick R; Hardy, Anthony J; Kim, Hyun J; Chou, Ei Ne; Bostani, Maryam; Cagnon, Chris; Cody, Dianna; McNitt-Gray, Michael | Abstract: PurposeThe purpose of this work was to estimate and compare breast and lung doses of chest CT scans
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::814d02e23f14fa3deaf24552e9acc6c0
https://escholarship.org/uc/item/741279p8
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8
Reference dataset for benchmarking fetal doses derived from Monte Carlo simulations of CT exams
Autor: Ioannis Sechopoulos, Chris H. Cagnon, Anthony J. Hardy, Michael F. McNitt-Gray, Maryam Bostani, Erin Angel
Publikováno v: Med Phys
Medical Physics, 48, 1, pp. 523-532
Medical Physics, 48, 523-532
Medical physics, vol 48, iss 1
Contains fulltext : 232932.pdf (Publisher’s version ) (Closed access) PURPOSE: Task Group Report 195 of the American Association of Physicists in Medicine contains reference datasets for the direct comparison of results among different Monte Carlo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c717a43e375e181dccdedb4c695d59e
https://pubmed.ncbi.nlm.nih.gov/33128259
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9
Estimating Fetal Dose from Tube Current Modulated (TCM) and Fixed Tube Current (FTC) Abdominal/Pelvis CT Examinations
Autor: Michael F. McNitt-Gray, Anthony J. Hardy, Chris H. Cagnon, Maryam Bostani, Erin Angel
Publikováno v: Hardy, Anthony J; Angel, Erin; Bostani, Maryam; Cagnon, Chris; & McNitt-Gray, Michael. (2019). Estimating Fetal Dose from Tube Current Modulated (TCM) and Fixed Tube Current (FTC) Abdominal/Pelvis CT Examinations.. Medical physics. doi: 10.1002/mp.13499. UC Office of the President: Research Grants Program Office (RGPO). Retrieved from: http://www.escholarship.org/uc/item/6hc257pw
Med Phys
Author(s): Hardy, Anthony J; Angel, Erin; Bostani, Maryam; Cagnon, Chris; McNitt-Gray, Michael | Abstract: PurposeThe purpose of this work was to estimate scanner-independent CTDIvol -to-fetal-dose coefficients for tube current-modulated (TCM) and fi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0587a6d4043739a55d8a37bb274c683f
http://www.escholarship.org/uc/item/6hc257pw
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10
Estimating lung, breast, and effective dose from low-dose lung cancer screening CT exams with tube current modulation across a range of patient sizes
Autor: Anthony J. Hardy, Cynthia H. McCollough, Maria Zankl, Maryam Bostani, Michael F. McNitt-Gray, Chris H. Cagnon, Kyle McMillan
Publikováno v: Med. Phys. 45, 4667-4682 (2018)
Medical physics, vol 45, iss 10
PURPOSE: The purpose of this study was to estimate the radiation dose to the lung and breast as well as the effective dose from tube current modulated (TCM) lung cancer screening (LCS) scans across a range of patient sizes. METHODS: Monte Carlo metho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79e24ec721e837d44355cd1c5df9a567
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=54136
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