Geoffrey S Ibbott
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Explore the profile of Geoffrey S Ibbott including associated specialties, affiliations and a list of published articles.
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87
Citations
2177
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Recent Articles
1.
Michalski J, Winter K, Prestidge B, Sanda M, Amin M, Bice W, et al.
J Clin Oncol
. 2023 Jun;
41(24):4035-4044.
PMID: 37315297
Purpose: To determine whether addition of external beam radiation therapy (EBRT) to brachytherapy (BT) (COMBO) compared with BT alone would improve 5-year freedom from progression (FFP) in intermediate-risk prostate cancer....
2.
Ibbott G, Chougule A, Damilakis J, Tabakov S, Wu R, Orton C, et al.
Health Technol (Berl)
. 2022 May;
12(3):663-670.
PMID: 35505794
As a profession, medical physics combines an advanced understanding of physics and math with knowledge of biology, anatomy and physiology. Consequently, rigorous education and training is required to assure that...
3.
Ibbott G
Phys Med
. 2020 Mar;
72:30-31.
PMID: 32197219
Recent publications show that some patients receive high cumulative radiation doses from recurrent CT examinations. Most of these patients had a diagnosis of malignancy, meaning that there was a likelihood...
4.
McDonald B, Lee H, Ibbott G
Phys Med Biol
. 2019 Sep;
64(20):205016.
PMID: 31505483
Radiation therapy in the presence of a strong magnetic field is known to cause regions of enhanced and reduced dose at interfaces of materials with varying densities, in a phenomenon...
5.
Mickevicius N, Chen X, Boyd Z, Lee H, Ibbott G, Paulson E
Phys Med Biol
. 2018 Nov;
63(23):235014.
PMID: 30474614
Intrafraction motion (i.e. motion occurring during a treatment session) can play a pivotal role in the success of abdominal and thoracic radiation therapy. Hybrid magnetic resonance-guided radiotherapy (MR-gRT) systems have...
6.
Ur Rehman J, Isa M, Ahmad N, Nasar G, Asghar H, Gilani Z, et al.
J Med Phys
. 2018 Jul;
43(2):129-135.
PMID: 29962691
This analysis estimated secondary cancer risks after volumetric modulated arc therapy (VMAT) and compared those risks to the risks associated with other modalities of head-and-neck (H&N) radiotherapy. Images of H&N...
7.
Rivard M, Ballester F, Butler W, DeWerd L, Ibbott G, S Meigooni A, et al.
Med Phys
. 2018 Feb;
45(2):971-974.
PMID: 29424443
No abstract available.
8.
Lee H, Kadbi M, Bosco G, Ibbott G
Phys Med Biol
. 2018 Feb;
63(4):045021.
PMID: 29384731
The integration of magnetic resonance imaging (MRI) with linear accelerators (linac) has enabled the use of 3D MR-visible gel dosimeters for real-time verification of volumetric dose distributions. Several iron-based radiochromic...
9.
Wang J, Yung J, Kadbi M, Hwang K, Ding Y, Ibbott G
Med Phys
. 2018 Jan;
45(3):1204-1209.
PMID: 29363770
Purpose: To assess the image quality, scatter, and leakage radiation of an integrated magnetic resonance linear accelerator (MR-LINAC or MRL) system. Methods: A large American College of Radiology (ACR) magnetic...
10.
Xue J, LaCouture T, Grimm J, Goldman H, Ibbott G, Yorke E, et al.
J Radiosurg SBRT
. 2018 Jan;
3(4):271-279.
PMID: 29296410
Purpose: Treatment option of stereotactic radiosurgery versus whole brain radiotherapy for multiple brain metastases (>10) is an ongoing debate. Detailed dosimetric and biological information are presented in this study to...