Sarah Quirk

Medical Physicist, MCCPM

Division of Medical Physics

Adjunct Assistant Professor

Department of Physics and Astronomy

Adjunct Assistant Professor

Department of Oncology

B.Sc, Physics and Mathematics

Acadia University

M.Sc, Particle Physics

Queen's University

Ph.D, Medical Physics

University of Calgary

Contact information

Phone


Publications

 (2010-2016):

Evaluation of target and cardiac position during visually monitored deep inspiration breath-hold for breast radiotherapy
L. Conroy, R. Yeung, E. Watt, S. Quirk, K. Long, A. Hudson, T. Phan, and W.L. Smith
J Appl Clin Med Phys 17(4): 25–36, Oct 30 (2016)

Realistic respiratory motion margins for external beam partial breast irradiation.
L. Conroy,  S. Quirk, W. Smith.
Med  Phys 42(9), 5404-5409, August 21 (2015)

When is respiratory management necessary for partial breast intensity modulated radiotherapy: a respiratory amplitude escalation treatment planning study
S Quirk, L Conroy, and WL Smith
Radiotherapy and Oncology 112(3), 402-406 (2014)

Accounting for respiratory motion in partial breast intensity modulated radiotherapy during treatment planning: a new patient selection metric
S Quirk, L Conroy, and WL Smith
European Journal of Cancer 50(11):1872-9 (2014)

Measurement of time delays in gated radiotherapy for realistic respiratory motion
B. P. Chugh, S. Quirk, L. Conroy, W. L. Smith
Med Phys 41 (9):091702  (2014)

Accounting for respiratory motion in partial breast intensity modulated radiotherapy during treatment planning: patient specific anatomical characteristics, a new metric, and population based respiratory motion
S. Quirk, L. Conroy, W. Smith
Int J Radiat Oncol Biol Phys, submitted December (2013)

A comparison of phase, amplitude, and velocity binning for cone-beam computed tomographic projection-based motion reconstruction
N. Becker, S. Quirk, I. Kay, B. Braverman, W.L. Smith
Prac Rad Oncol 3(4) e209-e217 (2013) 

External respiratory motion analysis and statistics for patients and volunteers
S. Quirk, N. Becker, W. Smith
J Appl Clin Med Phys 14(2), 90-101 (2013)

External respiratory motion: Shape analysis and custom realistic respiratory trace generation
S. Quirk, N. Becker, W.L. Smith
Med Phys 39(8), 4999-5003 (2012)

Clinical consequences of changing the sliding window IMRT dose rate
E. Ghasroddashti, W. Smith, S. Quirk, C. Kirkby
J Appl Clin Med Phys 13(4), 4-12 (2012)

Using cone-beam CT projection images to estimate the average and complete trajectory of a fiducial marker moving with respiration
N. Becker, W.L. Smith, S. Quirk, I. Kay
Phys Med Biol 55(24) ,7439-7452 (2010)

Abtracts & Presentations (2013-2018):

Investigation of the PTV margin in permanent breast seed implant (PBSI) brachytherapy: a pilot study
A. Guebert, M. Roumeliotis, E. Watt, A. Frederick, T. Trumpour, T. Meyer, S. Quirk
Radiother Oncol. CARO-COMP-CAMRT Joint Scientific Meeting, Montreal QC, Canada, Sept 12 – 15, 2018 

Dosimetric verification of a 7 mm set-up margin for accelerated partial breast irradiation using daily cone-beam computed tomography for image guidance
A. Frederick, T. Trumpour, S. Quirk, P. Grendarova, P. Craighead, I. Olivotto, T. Meyer, M. Roumeliotis
Radiother Oncol. CARO-COMP-CAMRT Joint Scientific Meeting, Montreal QC, Canada, Sept 12 – 15, 2018 

Validation of planning CT to cone-beam CT deformable image registration-based contour propagation for accelerated partial breast irradiation
A. Frederick, M. Roumeliotis, P. Grendarova, P. Craighead, E. Watt, T. Meyer, I. Olivotto, S. Quirk
Radiother Oncol. CARO-COMP-CAMRT Joint Scientific Meeting, Montreal QC, Canada, Sept 12 – 15, 2018 

Anatomical advantages of deep inspiration breath hold for breast radiotherapy: a geometric analysis.
L. Conroy, E. Watt, S. Quirk, JL. Conway, IA. Olivotto, T. Phan, WL. Smith.
European Society for Radiotherapy & Oncology (ESTRO) Congress, Vienna, Austria, (2017) (accepted for e-poster presentation).

Implementation of Acuros-XB from AAA for Breast: Changes in Plan Characteristics
L. Conroy, A. Guebert, S. Weppler, M. Alghamdi, JL. Conway, L. Harper, T. Phan, IA. Olivotto, WL. Smith, S. Quirk
Canadian Organization of Medical Physicists 63rd Annual Scientific Meeting, July 12-15 (2017)

Breath hold for left-sided breast cancer: Visually monitored deep inspiration breath hold amplitude evaluated using Real-Time Position Management
L. Conroy, R. Yeung, S. Quirk, T. Phan, A. Hudson, W. Smith
Med. Phys. 42(6), 3278 (2015). Presented at AAPM Annual Meeting, Anaheim, CA July 12-16, 2015

Retrospective evaluation of visually monitored deep inspiration breath hold for breast cancer patient using edge detection.
L. Conroy, R. Yeung, S. Quirk, T. Phan, W. Smith
IUPESM World Congress on Medical Physics and Biomedical Engineering, Toronto, ON, Jun 8-12, 2015

Empirical Derivation of Site-Specific Margin Formulas
L. Conroy, S. Quirk S, W.L. Smith
Med Phys 40(6), 349 (2014). Presented at AAPM Annual Meeting, Austin, TX, Jul 20-24, 2014

A simple 2D in-vivo dosimetry using the EPID during treatment
S. Peca, S. Quirk, D. Granville, D. Brown
Canadian Association of Medical Physics (COMP) Annual Scientific Meeting, Montreal, QC, September 2013. Published in Radiotherapy and Oncology, Vol.108 (1), S126, August (2013)

External respiratory motion analysis and statistics for patients and volunteers
S. Quirk, N. Becker, W.L. Smith
J Appl Clin Med Phys 14 (2), 4051 (2013)

Partial breast ITV margin from population respiratory PDF
S. Quirk and W.L. Smith
ASTRO, October 28-31, Boston, MA
Int J Rad Oncol Biol Phys 84(3), S260-S261 (2012)

A realistic respiratory trace generator and its application to respiratory management techniques
S Quirk and W.L. Smith
COMP, July 11-14, Halifax, Nova Scotia (2012)
Med Phys 39(7), 4626 (2012)

Monte Carlo simulations of variations in planed dose distributions in a prostate patient population
M. Balderson, D.W. Brown, S. Quirk, E. Ghasroddashti, C. Kirkby
Med Phys 39, 4635 (2012)

Partial breast ITV margin from population respiratory PDF
S. Quirk and W.L. Smith
ASTRO, October 28-31, Boston, MA (2012)

Realistic respiratory model for patients and volunteers
S. Quirk, N. Becker, W.L. Smith
CAP Congress, June 11-15, Calgary, Alberta (2012)

Respiratory model of diseased and healthy popultions
S. Quirk, N. Becker, W.L. Smith
WESTCAN, Abbotsford, B.C. (2011)

Sensitivity analysis of cone beam CT based lung tumour motion estimation
N. Becker, S. Quirk, I. Kay, B. Braverman, H. Lau, W.L. Smith
WESTCAN, Abbotsford, B.C. (2011)

Motion estimation of implanted fiducial markers in non-small cell lung cancer using cone-beam CT projection images
N. Becker, W.L. Smith, Harold Lau, Sarah Quirk, Ian Kay
Radiother Oncol 96(1), S439 (2010)

Development of an empirical model for respiratory motion
S. Quirk, N. Becker, W. Smith
COMP Annual Meeting, Ottawa, Ontario
Med Phys 37(7), 3898 (2010)

A novel method to measure lung tumour motion in radiation therapy
N. Becker, Sarah Quirk, W.L. Smith, Ian Kay
WESCAN, Winnipeg, Manitoba (2010)