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Geoffrey S Ibbott

Explore the profile of Geoffrey S Ibbott including associated specialties, affiliations and a list of published articles. Areas
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Articles 87
Citations 2177
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Recent Articles
11.
Lee H, Roed Y, Venkataraman S, Carroll M, Ibbott G
Radiother Oncol . 2017 Oct; 125(3):426-432. PMID: 28964533
Background And Purpose: The strong magnetic field of integrated magnetic resonance imaging (MRI) and radiation treatment systems influences secondary electrons resulting in changes in dose deposition in three dimensions. To...
12.
Faught A, Davidson S, Popple R, Kry S, Etzel C, Ibbott G, et al.
Med Phys . 2017 Jun; 44(9):4952-4960. PMID: 28657114
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...
13.
Rivard M, Ballester F, Butler W, DeWerd L, Ibbott G, S Meigooni A, et al.
Med Phys . 2017 Jun; 44(9):e297-e338. PMID: 28644913
Since the publication of the 2004 update to the American Association of Physicists in Medicine (AAPM) Task Group No. 43 Report (TG-43U1) and its 2007 supplement (TG-43U1S1), several new low-energy...
14.
Faught A, Davidson S, Fontenot J, Kry S, Etzel C, Ibbott G, et al.
Med Phys . 2017 Jun; 44(9):4943-4951. PMID: 28640950
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...
15.
Rivard M, Butler W, DeWerd L, Huq M, Ibbott G, Melhus C, et al.
Med Phys . 2017 May; 32(6Part1):1822-1824. PMID: 28513947
No abstract available.
16.
Gifford K, Horton Jr J, Jackson E, Steger 3rd T, Heard M, Mourtada F, et al.
Med Phys . 2017 May; 32(7Part1):2288-2294. PMID: 28493569
The Fletcher Suit Delclos (FSD) ovoids employed in intracavitary brachytherapy (ICB) for cervical cancer contain shields to reduce dose to the bladder and rectum. Many treatment planning systems (TPS) do...
17.
Pollard J, Wen Z, Sadagopan R, Wang J, Ibbott G
Br J Radiol . 2017 Mar; 90(1073):20160667. PMID: 28256898
Advances in image-guided radiotherapy (RT) have allowed for dose escalation and more precise radiation treatment delivery. Each decade brings new imaging technologies to help improve RT patient setup. Currently, the...
18.
Viswanathan A, Erickson B, Ibbott G, Small Jr W, Eifel P
Brachytherapy . 2017 Jan; 16(1):68-74. PMID: 28109633
Brachytherapy is the use of radionuclides to treat malignancies or benign conditions by means of a radiation source placed close to or into the tumor or treatment site. This practice...
19.
Lim T, Kudchadker R, Wang J, Bathala T, Szklaruk J, Pugh T, et al.
J Contemp Brachytherapy . 2016 Aug; 8(3):235-42. PMID: 27504133
Purpose: Computed tomography (CT)-based prostate post-implant dosimetry allows for definitive seed localization but is associated with high interobserver variation in prostate contouring. Currently, magnetic resonance imaging (MRI)-based post-implant dosimetry allows...
20.
Davidson S, Cui J, Kry S, Deasy J, Ibbott G, Vicic M, et al.
Med Phys . 2016 Aug; 43(8):4842. PMID: 27487902
Purpose: A dose calculation tool, which combines the accuracy of the dose planning method (DPM) Monte Carlo code and the versatility of a practical analytical multisource model, which was previously...