Hazel McCallum
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Explore the profile of Hazel McCallum including associated specialties, affiliations and a list of published articles.
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11
Citations
141
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Recent Articles
1.
Lauwers I, Capala M, Kaushik S, Rusko L, Cozzini C, Kleijnen J, et al.
Radiother Oncol
. 2025 Jan;
205:110762.
PMID: 39889967
Background And Purpose: MRI-based synthetic CTs (synCTs) show promise to replace planning CT scans in various anatomical regions. However, the head-and-neck region remains challenging because of patient-specific air, bone and...
2.
The benefit of MR-only radiotherapy treatment planning for anal and rectal cancers: A planning study
Bird D, Nix M, McCallum H, Teo M, Gilbert A, Casanova N, et al.
J Appl Clin Med Phys
. 2021 Oct;
22(11):41-53.
PMID: 34687138
Introduction: Limited evidence exists showing the benefit of magnetic resonance (MR)-only radiotherapy treatment planning for anal and rectal cancers. This study aims to assess the impact of MR-only planning on...
3.
Bird D, Beasley M, Nix M, Tyyger M, McCallum H, Teo M, et al.
Phys Imaging Radiat Oncol
. 2021 Jul;
19:72-77.
PMID: 34307922
Background And Purpose: Magnetic resonance (MR)-only treatment pathways require either the MR-simulation or synthetic-computed tomography (sCT) as an alternative reference image for cone beam computed tomography (CBCT) patient position verification....
4.
Speight R, Tyyger M, Schmidt M, Liney G, Johnstone R, Eccles C, et al.
Phys Med Biol
. 2021 Feb;
66(7).
PMID: 33631729
. Despite growing interest in magnetic resonance imaging (MRI), integration in external beam radiotherapy (EBRT) treatment planning uptake varies globally. In order to understand the current international landscape of MRI...
5.
Wyatt J, Hedley S, Johnstone E, Speight R, Kelly C, Henry A, et al.
Phys Imaging Radiat Oncol
. 2021 Jan;
6:31-38.
PMID: 33458386
Background And Purpose: Magnetic Resonance (MR)-only radiotherapy requires geometrically accurate MR images over the full scanner Field of View (FoV). This study aimed to investigate the repeatability of distortion measurements...
6.
Speight R, Dubec M, Eccles C, George B, Henry A, Herbert T, et al.
Phys Med Biol
. 2021 Jan;
66(5).
PMID: 33450742
This document gives guidance for multidisciplinary teams within institutions setting up and using an MRI-guided radiotherapy (RT) treatment planning service. It has been written by a multidisciplinary working group from...
7.
Bird D, Nix M, McCallum H, Teo M, Gilbert A, Casanova N, et al.
Radiother Oncol
. 2020 Dec;
156:23-28.
PMID: 33264638
Background And Purpose: Comprehensive dosimetric analysis is required prior to the clinical implementation of pelvic MR-only sites, other than prostate, due to the limited number of site specific synthetic-CT (sCT)...
8.
Vasquez Osorio E, McCallum H, Bedair A, Faivre-Finn C, Haughey A, Van Herk M, et al.
Int J Radiat Oncol Biol Phys
. 2020 Jul;
108(4):1082-1090.
PMID: 32629080
Purpose: Emerging evidence suggests that the heart is more radiosensitive than previously assumed; therefore, accounting for heart motion in radiation therapy planning is becoming more critical. In this study, we...
9.
Speight R, Schmidt M, Liney G, Johnstone R, Eccles C, Dubec M, et al.
Phys Med Biol
. 2019 Jun;
64(17):175021.
PMID: 31239419
The benefits of integrating MRI into the radiotherapy pathway are well published, however there is little consensus in guidance on how to commission or implement its use. With a view...
10.
Wyatt J, McCallum H
Radiother Oncol
. 2019 Apr;
133:100-105.
PMID: 30935564
Background And Purpose: Magnetic Resonance (MR)-only prostate radiotherapy has recently been clinically implemented using commercial synthetic Computed Tomography (sCT) algorithms. However patients with hip prostheses have been excluded from all...