Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Geoffrey Ibbott"'
Autor:
Abdallah S.R. Mohamed, Houda Bahig, Michalis Aristophanous, Pierre Blanchard, Mona Kamal, Yao Ding, Carlos E. Cardenas, Kristy K. Brock, Stephen Y. Lai, Katherine A. Hutcheson, Jack Phan, Jihong Wang, Geoffrey Ibbott, Refaat E. Gabr, Ponnada A. Narayana, Adam S. Garden, David I. Rosenthal, G. Brandon Gunn, Clifton D. Fuller
Publikováno v:
Clinical and Translational Radiation Oncology, Vol 11, Iss , Pp 11-18 (2018)
Purpose: We aim to determine the feasibility and dosimetric benefits of a novel MRI-guided IMRT dose-adaption strategy for human papillomavirus positive (HPV+) oropharyngeal squamous cell carcinoma (OPC). Materials/methods: Patients with locally adva
Externí odkaz:
https://doaj.org/article/b9f195d680c6411a8828c8cdace45a0d
Autor:
Rachel McCarroll, Bassem Youssef, Beth Beadle, Maureen Bojador, Rex Cardan, Robin Famiglietti, David Followill, Geoffrey Ibbott, Anuja Jhingran, Christoph Trauernicht, Peter Balter, Laurence Court
Publikováno v:
Journal of Global Oncology, Vol 3, Iss 5, Pp 563-571 (2017)
Purpose: More than 6,500 megavoltage teletherapy units are needed worldwide, many in low-resource settings. Cobalt-60 units or linear accelerators (linacs) can fill this need. We have evaluated machine performance on the basis of patient throughput t
Externí odkaz:
https://doaj.org/article/9838e24701f34810a95309775fcf6ef2
Development of a Monte Carlo multiple source model for inclusion in a dose calculation auditing tool
Autor:
Geoffrey Ibbott, Stephen F Kry, Carol J. Etzel, Austin M. Faught, Jonas D. Fontenot, David S Followill, S. Davidson
Publikováno v:
Medical Physics. 44:4943-4951
Purpose The Imaging and Radiation Oncology Core Houston (IROC-H) (formerly the Radiological Physics Center) has reported varying levels of agreement in their anthropomorphic phantom audits. There is reason to believe one source of error in this obser
Autor:
Geoffrey Ibbott, Richard A. Popple, Austin M. Faught, Stephen F Kry, Carol J. Etzel, David S Followill, S. Davidson
Publikováno v:
Med Phys
Purpose The Imaging and Radiation Oncology Core – Houston (IROC-H) Quality Assurance Center (formerly the Radiological Physics Center) has reported varying levels of compliance from their anthropomorphic phantom auditing program. IROC-H studies hav
Autor:
Ken Pin Hwang, Jinzhong Yang, Joseph Weygand, Jihong Wang, Geoffrey Ibbott, Yao Ding, Abdallah S.R. Mohamed, Clifton D. Fuller
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 95:1304-1316
Because magnetic resonance imaging-guided radiation therapy (MRIgRT) offers exquisite soft tissue contrast and the ability to image tissues in arbitrary planes, the interest in this technology has increased dramatically in recent years. However, intr
Publikováno v:
Journal of Biomedical Nanotechnology. 12:464-471
The nanoparticle-induced dose enhancement effect has been shown to improve the therapeutic efficacy of ionizing radiation in external beam radiotherapy. Whereas previous studies have focused on gold nanoparticles (AuNPs), no quantitative studies have
Publikováno v:
Radiation Measurements. 74:12-19
In this paper we introduce three novel PRESAGE ® dosimeters referred to as metal optimized dosimeters (MODs) 1, 2 and 3, and determine their sensitivity, as well as their water equivalency. All three formulations contained very small concentrations
Publikováno v:
Medical physics. 39(6Part24)
The education of medical physicists has historically been quite varied and medical physicists have entered the field through several pathways including specialized educational programs, postdoctoral fellowships, and on‐the‐job training. It is arg
Autor:
Geoffrey Ibbott, Joo Young Kim, Yuki Kase, Pete J. Koss, Dong Ho Shin, Bijan Arjomandy, Jeong Eun Rah, Do Hoon Oh, Zuofeng Li, Se Byeong Lee, James McDonough, Tae Hyun Kim, Sung-Yong Park, Liyong Lin
Publikováno v:
Radiation Measurements. 59:66-72
Purpose We evaluated the glass dosimeter suitability as an external audit program in proton therapy beam. A feasibility test of the glass dosimeter postal dose intercomparison was performed for high-energy proton beam use in radiation oncology with t
Autor:
David, Followill, Geoffrey, Ibbott, William, Hanson, James A, Purdy, Marilyn, Stovall, Robert J, Shalek
Publikováno v:
Medical physics. 43(7)