Stephanie Keehan
Overview
Explore the profile of Stephanie Keehan including associated specialties, affiliations and a list of published articles.
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Articles
7
Citations
24
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0
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Recent Articles
1.
Shaw M, Lye J, Alves A, Keehan S, Lehmann J, Hanlon M, et al.
Phys Imaging Radiat Oncol
. 2021 Nov;
20:40-45.
PMID: 34722939
Background And Purpose: Synthetic diamond detectors offer real time measurement of dose in radiotherapy applications which require high spatial resolution. Additional considerations and corrections are required for measurements where the...
2.
Hughes J, Lye J, Kadeer F, Alves A, Shaw M, Supple J, et al.
Med Phys
. 2021 Jul;
48(10):6184-6197.
PMID: 34287963
Purpose: The aim of this study is to investigate overdose to organs at risk (OARs) observed in dosimetry audits in Monte Carlo (MC) algorithms and Linear Boltzmann Transport Equation (LBTE)...
3.
Lehmann J, Alves A, Dunn L, Shaw M, Kenny J, Keehan S, et al.
Phys Imaging Radiat Oncol
. 2021 Jan;
6:5-11.
PMID: 33458381
Background And Purpose: Independent dosimetry audits improve quality and safety of radiation therapy. This work reports on design and findings of a comprehensive 3D conformal radiotherapy (3D-CRT) Level III audit....
4.
HDR brachytherapy well chamber calibration and stability evaluated over twenty years of clinical use
Keehan S, Smith R, Butler D
Brachytherapy
. 2020 Sep;
20(1):257-264.
PMID: 32952051
Purpose: The purpose of the study was to establish, using a retrospective analysis of existing hospital records, the long-term stability and accuracy of a high-dose-rate brachytherapy well chamber. This should...
5.
Lye J, Kry S, Shaw M, Gibbons F, Keehan S, Lehmann J, et al.
Med Phys
. 2019 Sep;
46(12):5878-5887.
PMID: 31494941
Purpose: Consistency between different international quality assurance groups is important in the progress toward similar standards and expectations in radiotherapy dosimetry around the world, and in the context of consistent...
6.
Keehan S, Smith R, Millar J, Esser M, Taylor M, Lonski P, et al.
J Appl Clin Med Phys
. 2017 Mar;
18(2):100-105.
PMID: 28300363
High energy radiotherapy can produce contaminant neutrons through the photonuclear effect. Patients receiving external beam radiation therapy to the pelvis may have high-density hip prostheses. Metallic materials such as those...
7.
Taylor M, Yeo U, Supple J, Keehan S, Siva S, Kron T, et al.
Technol Cancer Res Treat
. 2015 May;
15(3):428-36.
PMID: 25994795
Intrafraction organ deformation may be accounted for by inclusion of temporal information in dose calculation models. In this article, we demonstrate a quasi-4-dimensional method for improved risk estimation. Conventional 3-dimensional...