Omar A Zeidan
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Explore the profile of Omar A Zeidan including associated specialties, affiliations and a list of published articles.
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20
Citations
314
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Recent Articles
1.
Cabrera J, Erhart K, Kelly P, Zeidan O, Swanick C, Rineer J, et al.
Med Dosim
. 2024 Jun;
49(4):359-362.
PMID: 38849262
Bolus electron conformal therapy (BECT) in the treatment of cancers of the head and neck is often limited by an inability to reduce dosimetric hot spots resulting from surface irregularity...
2.
Swanick C, Shang M, Erhart K, Cabrera J, Burkavage J, Dvorak T, et al.
Int J Part Ther
. 2023 Dec;
10(2):85-93.
PMID: 38075486
Purpose: Many patients with metastatic cancer live years beyond diagnosis, and there remains a need to improve the therapeutic ratio of metastasis-directed radiation for these patients. This study aimed to...
3.
Zeidan O, Pepmiller E, Willoughby T, Li Z, Burkavage J, Harper B, et al.
Int J Part Ther
. 2022 Sep;
9(2):10-19.
PMID: 36060418
Purpose: We present an analysis of various operational metrics for a novel compact proton therapy system, including clinical case mix, subsystems utilization, and quality assurance trends in beam delivery parameters...
4.
Rehman M, Zeidan O, Willoughby T, Meeks S, Kelly P, Erhart K
Int J Part Ther
. 2022 Jul;
9(1):54-63.
PMID: 35774494
Purpose: To present quantitative dosimetric evaluations of five proton pencil beam spot placement techniques. Materials And Methods: The spot placement techniques that were investigated include two grid-based (rectilinear grid and...
5.
Meeks S, Shah A, Sood G, Dvorak T, Zeidan O, Meeks D, et al.
JCO Oncol Pract
. 2020 Nov;
17(12):e1943-e1948.
PMID: 33170747
Purpose: An episode-based payment model, the Radiation Oncology Alternative Payment Model (RO-APM), has been proposed for Medicare reimbursement of radiation services provided to oncology patients. RO-APM may have significant impact...
6.
Oliver J, Zeidan O, Meeks S, Shah A, Pukala J, Kelly P, et al.
J Appl Clin Med Phys
. 2017 Apr;
18(3):130-136.
PMID: 28436155
Purpose: The purpose of this study was to characterize the Mobius AIRO Mobile CT System for localization and image-guided proton therapy. This is the first known application of the AIRO...
7.
Hsi W, Law A, Schreuder A, Zeidan O
Med Phys
. 2014 Aug;
41(8):081714.
PMID: 25086524
Purpose: An optical tracking and positioning system (OTPS) was developed to validate the software-driven isocentric (SDI) approach to control the six-degrees-of-freedom movement of a robotic couch. Methods: The SDI approach...
8.
Zeidan O, Chauhan B, Estabrook W, Willoughby T, Manon R, Meeks S
J Appl Clin Med Phys
. 2011 Feb;
12(1):3311.
PMID: 21330977
We report on our initial experience with daily image guidance for the treatment of a patient with a basal cell carcinoma of the nasal dorsum using bolus electron conformal therapy....
9.
Zeidan O, Huddleston A, Lee C, Langen K, Kupelian P, Meeks S, et al.
Int J Radiat Oncol Biol Phys
. 2009 May;
76(3):767-74.
PMID: 19427742
Purpose: To compare the geometric alignments of soft-tissue implanted markers to the traditional bony-based alignments in head-and-neck cancers, on the basis of daily image guidance. Dosimetric impact of the two...
10.
Wagner T, Langen K, Meeks S, Willoughby T, Zeidan O, Staton R, et al.
Technol Cancer Res Treat
. 2009 Apr;
8(2):123-30.
PMID: 19334793
Initial results of megavoltage computed tomography (MVCT) brachytherapy treatment planning are presented, using a commercially available helical tomotherapy treatment unit and standard low dose rate (LDR) brachytherapy applicators used for...