Zobrazeno 1 - 10
of 162
pro vyhledávání: '"Chee-Wai Cheng"'
Publikováno v:
Journal of Medical Physics, Vol 41, Iss 1, Pp 3-11 (2016)
Modern treatment planning systems provide accurate dosimetry in heterogeneous media (such as a patient' body) with the help of tissue characterization based on computed tomography (CT) number. However, CT number depends on the type of scanner, tube v
Externí odkaz:
https://doaj.org/article/020880aba2e54f588025a1625c25c0d7
Autor:
Poonam, Yadav, Sha X, Chang, Chee-Wai, Cheng, Colleen M, DesRosiers, Raj K, Mitra, Indra J, Das
Publikováno v:
Physica Medica. 95:148-155
A multi-institutional investigation for dosimetric evaluation of high-Z hip prosthetic device in photon beam.A bilateral hip prosthetic case was chosen. An in-house phantom was built to replicate the human pelvis with two different prostheses. Dosime
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c556b725ce059bc1f405afa0768b58b8
https://doi.org/10.1016/j.ejmp.2022.02.007
https://doi.org/10.1016/j.ejmp.2022.02.007
Autor:
Paolo Francescon, George X. Ding, Chee-Wai Cheng, Anders Ahnesjö, John D. Fenwick, Chester S. Reft, Maria M. Aspradakis, Mark Oldham, Otto A. Sauer, M. Saiful Huq, Jean M. Moran, Indra J. Das
Publikováno v:
Medical physics
Small-field dosimetry used in advance treatment technologies poses challenges due to loss of lateral charged particle equilibrium (LCPE), occlusion of the primary photon source, and the limited choice of suitable radiation detectors. These challenges
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38681a49ca02d2ade531f95c56da0f3f
https://doi.org/10.1002/mp.15030
https://doi.org/10.1002/mp.15030
Autor:
Thomas F. DeLaney, William F. Hartsell, Sameer R. Keole, Smith Apisarnthanarax, Daniel J. Indelicato, Seth A. Rosenthal, Alan C. Hartford, Chee-Wai Cheng, Ramesh Rengan, J Daartz, Helen A. Shih
Publikováno v:
American journal of clinical oncology. 43(3)
Aim/objectives/background The American College of Radiology (ACR) and the American Society for Radiation Oncology (ASTRO) have jointly developed the following practice parameter for proton beam radiation therapy. Proton radiotherapy is the applicatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bbbbb90d67d3ad6731d10a3bde027c12
https://pubmed.ncbi.nlm.nih.gov/32028342
https://pubmed.ncbi.nlm.nih.gov/32028342
Autor:
Zhenghong Lee, Mitchell Machtay, Hanping Wu, Wei Xin, Jennifer A. Dorth, Chee-Wai Cheng, Hangsheng Xia, Chawan Manaspon, Agata A. Exner, Renuka Iyer, Olga A. Sergeeva, Sandra Sexton
Publikováno v:
BJR | case reports
Hepatocellular carcinoma (HCC) has become one of the leading causes of cancer death worldwide. There has been anecdotal report regarding the effectiveness of proton beam treatment for HCC. In this pre-clinical investigation, the woodchuck model of vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5219aa87d13ca518cac1cb9c1ed15cc
http://europepmc.org/articles/PMC7068085
http://europepmc.org/articles/PMC7068085
Autor:
Jesse D. McKay, Indra J. Das, Shu Ya Lisa Grimm, Gopal Subedi, Jinyu Xue, Chee-Wai Cheng, Jimm Grimm, Q. Xu, Ronald Berg
Publikováno v:
Medical Physics. 44:3815-3820
Purpose The purpose of this study was to evaluate a plastic scintillation detector for the measurement of small field dosimetry and to verify the accuracy of measured dose in comparison with Monte Carlo calculation in a heterogeneous medium. Methods
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6a0096ebbaa7d0beb5138e15ee22fbf
https://doi.org/10.1002/mp.12272
https://doi.org/10.1002/mp.12272
Computed tomography imaging parameters for inhomogeneity correction in radiation treatment planning.
Publikováno v:
Journal of Medical Physics. Jan-Mar2016, Vol. 41 Issue 1, p3-11. 9p.
Autor:
Justin L. Cantley, Chee-Wai Cheng, Bryan Traughber, Valdir C. Colussi, Tarun Podder, Fredrick B. Jesseph, Lee Ponsky, Rodney J. Ellis
Publikováno v:
Journal of Applied Clinical Medical Physics
A novel FDA approved in vivo dosimetry device system using plastic scintillating detectors placed in an endorectal balloon to provide real‐time in vivo dosimetry for prostatic rectal interface was tested for use with stereotactic body radiotherapy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42a578fc20ead9e398168ddd07f0c08b
http://europepmc.org/articles/PMC5690496
http://europepmc.org/articles/PMC5690496
Autor:
Chee-Wai Cheng, J. Brindle, Charles R. Rhodes, Jason W. Sohn, David Albani, Simon S. Lo, David B. Mansur, Rodney J. Ellis, Barry W. Wessels
Publikováno v:
International Journal of Particle Therapy. 2:385-393
Background: Twenty-eight cases from patients previously treated for prostate cancer using helical tomotherapy (22 patients) or Cyberknife (6 patients; Accuray, Sunnyvale, California) linear accelerators were selected chronologically between 2009 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::212f5239d1b74317182df0bafcebb9a7
https://doi.org/10.14338/ijpt-15-00004.1
https://doi.org/10.14338/ijpt-15-00004.1
Publikováno v:
Journal of Applied Clinical Medical Physics
The purpose of this study was to investigate the effect of dose perturbations for two metallic spinal screw implants in proton beam therapy in the perpendicular and parallel beam geometry. A 5.5 mm (diameter) by 45 mm (length) stainless steel (SS) sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60dd9e5ff475f57eacea8a8a0e9ee596
https://doi.org/10.1120/jacmp.v16i5.5566
https://doi.org/10.1120/jacmp.v16i5.5566