Dr Amy Walker

Conjoint Lecturer

Ph.D. awarded from University of Wollongong (2016)

Radiation Oncology Medical Physics certification (2020)

Medicine & Health

School of Clinical Medicine

Dr. Amy Walker is an ACPSEM certified medical physicist working at the Liverpool and Macarthur Cancer Therapy Centres in a Research & Development role. She completed her undergraduate degree at the University of Wollongong where she then also completed her Ph.D. looking at the impact of MRI geometric distortion on radiotherapy treatment planning. Her research interests continue in the area of MRI utilisation, deformable image registration and adaption for radiotherapy.��

Phone

+61-2-89789277

E-mail

amy.walker3@health.nsw.gov.au

Location

Liverpool Hospital

Journal articles | 2024

Brown R; Holloway L; Lau A; Lim K; Moodaley P; Metcalfe P; Do V; Cutajar D; Walker A, 2024, 'Potential anatomical triggers for plan adaptation of cervical cancer external beam radiotherapy', Physical and Engineering Sciences in Medicine, 47, pp. 1593 - 1602,

Journal articles | 2024

Le Bao V; Haworth A; Dowling J; Walker A; Arumugam S; Jameson M; Chlap P; Wiltshire K; Keats S; Cloak K; Sidhom M; Kneebone A; Holloway L, 2024, 'Evaluating the relationship between contouring variability and modelled treatment outcome for prostate bed radiotherapy', Physics in Medicine and Biology, 69,

Journal articles | 2024

Peters I; Nelson V; Deshpande S; Walker A; Hiatt J; Roach D; Erven T; Rajapakse S; Gray A, 2024, 'The assessment of the clinical impact of using a single set of radiotherapy planning data for two kilovoltage therapy units', Physical and Engineering Sciences in Medicine, 47, pp. 49 - 59,

Journal articles | 2023

Moutrie V; Walker A, 2023, 'Commissioning of a RayStation structure template for the iBEAM evo Couchtop', Physical and Engineering Sciences in Medicine, 46, pp. 1803 - 1809,

Journal articles | 2022

Brighi C; Keall PJ; Holloway LC; Walker A; Whelan B; De Witt Hamer PC; Verburg N; Aly F; Chen C; Koh ES; Waddington DEJ, 2022, 'An investigation of the conformity, feasibility, and expected clinical benefits of multiparametric MRI-guided dose painting radiotherapy in glioblastoma', Neuro Oncology Advances, 4,

Journal articles | 2022

Brighi C; Verburg N; Koh ES; Walker A; Chen C; Pillay S; de Witt Hamer PC; Aly F; Holloway LC; Keall PJ; Waddington DEJ, 2022, 'Repeatability of radiotherapy dose-painting prescriptions derived from a multiparametric magnetic resonance imaging model of glioblastoma infiltration', Physics and Imaging in Radiation Oncology, 23, pp. 8 - 15,

Journal articles | 2022

Carr ME; Keenan KE; Rai R; Boss MA; Metcalfe P; Walker A; Holloway L, 2022, 'Conformance of a 3T radiotherapy MRI scanner to the QIBA Diffusion Profile', Medical Physics, 49, pp. 4508 - 4517,

Journal articles | 2022

Duncan S; Walker A; Kumar S; Dundas K; Bell K; Wallis A; Surjan Y; Aly F; Lee M, 2022, 'Novel methodology to quantify dehydration in head and neck cancer radiotherapy using DIXON MRI', Journal of Medical Radiation Sciences, 69, pp. 448 - 455,

Journal articles | 2022

Walker A; Chlap P; Causer T; Mahmood F; Buckley J; Holloway L, 2022, 'Development of a vendor neutral MRI distortion quality assurance workflow', Journal of Applied Clinical Medical Physics, 23,

Journal articles | 2021

Carr ME; Keenan KE; Rai R; Metcalfe P; Walker A; Holloway L, 2021, 'Determining the longitudinal accuracy and reproducibility of T1 and T2 in a 3T MRI scanner', Journal of Applied Clinical Medical Physics, 22, pp. 143 - 150,

Journal articles | 2020

Barber J; Yuen J; Jameson M; Schmidt L; Sykes J; Gray A; Hardcastle N; Choong C; Poder J; Walker A; Yeo A; Archibald-Heeren B; Harrison K; Haworth A; Thwaites D, 2020, 'Deforming to Best Practice: Key considerations for deformable image registration in radiotherapy', Journal of Medical Radiation Sciences, 67, pp. 318 - 332,

Journal articles | 2020

Shan S; Liney GP; Tang F; Li M; Wang Y; Ma H; Weber E; Walker A; Holloway L; Wang Q; Wang D; Liu F; Crozier S, 2020, 'Geometric distortion characterization and correction for the 1.0��T Australian MRI-linac system using an inverse electromagnetic method', Medical Physics, 47, pp. 1126 - 1138,

Journal articles | 2020

Yuen J; Barber J; Ralston A; Gray A; Walker A; Hardcastle N; Schmidt L; Harrison K; Poder J; Sykes JR; Jameson MG, 2020, 'An international survey on the clinical use of rigid and deformable image registration in radiotherapy', Journal of Applied Clinical Medical Physics, 21, pp. 10 - 24,

Journal articles | 2017

Basaula D; Quinn A; Walker A; Batumalai V; Kumar S; Delaney GP; Holloway L, 2017, 'Risks and benefits of reducing target volume margins in breast tangent radiotherapy', Australasian Physical and Engineering Sciences in Medicine, 40, pp. 305 - 315,

Journal articles | 2017

Batumalai V; Holloway L; Walker A; Jameson M; Delaney GP, 2017, 'Assessment of dose variation for accelerated partial-breast irradiation using rigid and deformable image registrations', Practical Radiation Oncology, 7, pp. e9 - e17,

Journal articles | 2016

Liney GP; Dong B; Begg J; Vial P; Zhang K; Lee F; Walker A; Rai R; Causer T; Alnaghy SJ; Oborn BM; Holloway L; Metcalfe P; Barton M; Crozier S; Keall P, 2016, 'Technical Note: Experimental results from a prototype high-field inline MRI-linac', Medical Physics, 43, pp. 5188 - 5194,

Journal articles | 2016

Walker A; Metcalfe P; Liney G; Batumalai V; Dundas K; Glide-Hurst C; Delaney GP; Boxer M; Yap ML; Dowling J; Rivest-Henault D; Pogson E; Holloway L, 2016, 'MRI geometric distortion: Impact on tangential whole-breast IMRT', Journal of Applied Clinical Medical Physics, 17, pp. 7 - 19,

Journal articles | 2016

Walker A; Metcalfe P; Liney G; Batumalai V; Dundas K; Glide-Hurst C; Delaney GP; Boxer M; Yap ML; Dowling J; Rivest-Henault D; Pogson E; Holloway L, 2016, 'MRI geometric distortion: Impact on tangential whole-breast IMRT.', J Appl Clin Med Phys, 17, pp. 7 - 19,

Journal articles | 2015

Walker A; Liney G; Holloway L; Dowling J; Rivest-Henault D; Metcalfe P, 2015, 'Continuous table acquisition MRI for radiotherapy treatment planning: Distortion assessment with a new extended 3D volumetric phantom', Medical Physics, 42, pp. 1982 - 1991,

Journal articles | 2014

Walker A; Liney G; Metcalfe P; Holloway L, 2014, 'MRI distortion: Considerations for MRI based radiotherapy treatment planning', Australasian Physical and Engineering Sciences in Medicine, 37, pp. 103 - 113,

Journal articles | 2013

Metcalfe P; Liney G; Holloway L; Walker AM; Barton MB; Delaney GP; Vinod SK; Tome W; Walker A; Walker A, 2013, 'The potential for an enhanced role for MRI in radiation-therapy treatment planning', Technology in Cancer Research and Treatment, 12, pp. 429 - 446,

Journal articles | 2013

Walker A; Holloway L; Liney G; Metcalfe P, 2013, 'TH‐C‐141‐09: A Comparison of MRI Distortion Between Scanners and Sequences for Radiotherapy Purposes', Medical Physics, 40, pp. 541,
Preprints | 2023

Peters I; Nelson V; Deshpande S; Walker A; Hiatt J; Roach D; Erven T; Rajapakse S; Gray A, 2023, The clinical impact of using a single set of radiotherapy planning data for two kilovoltage therapy units,

Conference Papers | 2022

Brighi C; Waddington D; Aly F; Koh E-S; Walker A; de Witt Hamer P; Verburg N; Holloway L; Whelan B; Chen C; Keall P, 2022, 'Implementation of a Multiparametric MRI Model of Glioma Infiltration for Dose Painting Radiotherapy', in ISMRM Annual Meeting, ISMRM, presented at Joint Annual Meeting ISMRM-ESMRMB ISMRT 31st Annual Meeting, 07 May 2022 - 12 May 2022,

Conference Posters | 2021

Brighi C; Waddington D; Walker A; Holloway L; Aly F; Koh E; Keall P, 2021, 'OC-0398 Stability of multiparametric MR imaging biomarker-derived dose prescriptions for glioblastoma', Vol. 161, pp. S294 - S296,

Conference Abstracts | 2016

Keall P; Dong B; Vial P; Walker A; Zhang K; Begg J; Rai R; Holloway L; Barton M; Crozier S; Liney G, 2016, 'Experimental Results From the First High-Field Inline MRI-Linac', in MEDICAL PHYSICS, WILEY, DC, Washington, Vol. 43, pp. 3856 - 3856, presented at 58th Annual Meeting and Exhibition of the American-Association-of-Physicists-in-Medicine (AAPM), DC, Washington, 31 July 2016 - 04 August 2016,

Utilisation of MRI in radiation oncology

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