Benjamin J Zwan
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Explore the profile of Benjamin J Zwan including associated specialties, affiliations and a list of published articles.
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9
Citations
53
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Recent Articles
1.
Lim S, Zwan B, Lee D, Greer P, Lovelock D
J Appl Clin Med Phys
. 2021 Feb;
22(3):176-185.
PMID: 33634952
The use of trajectory log files for routine patient quality assurance is gaining acceptance. Such use requires the validation of the trajectory log itself. However, the accurate localization of a...
2.
Zwan B, Caillet V, Booth J, Colvill E, Fuangrod T, OBrien R, et al.
Med Phys
. 2020 Dec;
48(3):953-964.
PMID: 33354787
Purpose: In multileaf collimator (MLC) tracking, the MLC positions from the original treatment plan are continuously modified to account for intrafraction tumor motion. As the treatment is adapted in real...
3.
Fuangrod T, Greer P, Zwan B, Barnes M, Lehmann J
J Appl Clin Med Phys
. 2017 Jul;
18(5):134-142.
PMID: 28703451
Volumetric-modulated arc therapy (VMAT) treatment delivery requires three key dynamic components; gantry rotation, dose rate modulation, and multi-leaf collimator motion, which are all simultaneously varied during the delivery. Misalignment of...
4.
Zwan B, Barnes M, Hindmarsh J, Lim S, Lovelock D, Fuangrod T, et al.
Med Phys
. 2017 Jun;
44(8):3909-3922.
PMID: 28564208
Purpose: An ideal commissioning and quality assurance (QA) program for Volumetric Modulated Arc Therapy (VMAT) delivery systems should assess the performance of each individual dynamic component as a function of...
5.
Fuangrod T, Greer P, Simpson J, Zwan B, Middleton R
Int J Health Care Qual Assur
. 2017 Mar;
30(2):90-102.
PMID: 28256929
Purpose Due to increasing complexity, modern radiotherapy techniques require comprehensive quality assurance (QA) programmes, that to date generally focus on the pre-treatment stage. The purpose of this paper is to...
6.
Miri N, Keller P, Zwan B, Greer P
J Appl Clin Med Phys
. 2016 Dec;
17(6):292-304.
PMID: 27929502
We proposed to perform a basic dosimetry commissioning on a new imager sys-tem, the Varian aS1200 electronic portal imaging device (EPID) and TrueBeam 2.0 linear accelerator for flattened (FF) and...
7.
Zwan B, Hindmarsh J, Seymour E, Kandasamy K, Sloan K, David R, et al.
J Appl Clin Med Phys
. 2016 Dec;
17(6):204-216.
PMID: 27929494
Dynamic sliding gap multileaf collimator (MLC) fields are used to model MLC properties within the treatment planning system (TPS) for dynamic treatments. One of the key MLC properties in the...
8.
Zwan B, Barnes M, Fuangord T, Stanton C, OConnor D, Keall P, et al.
J Appl Clin Med Phys
. 2016 Sep;
17(5):348-365.
PMID: 27685132
Multileaf collimator (MLC) positions should be precisely and independently mea-sured as a function of gantry angle as part of a comprehensive quality assurance (QA) program for volumetric-modulated arc therapy (VMAT)....
9.
Zwan B, King B, OConnor D, Greer P
Med Phys
. 2014 Aug;
41(8):081716.
PMID: 25086526
Purpose: To develop a frame-by-frame correction for the energy response of amorphous silicon electronic portal imaging devices (a-Si EPIDs) to radiation that has transmitted through the multileaf collimator (MLC) and...