Associate Professor

Thomas Purdie

Medical Physicist


Princess Margaret Cancer Centre
610 University Avenue, Toronto, Ontario Canada M5G 2M9
Clinical Interests
Breast radiation therapy delivery processes, Automated tangenital breast IMRT, Lung SBRT
Please contact Faculty Member for more information


  • BSc, Department of Physics, McMaster University
  • PhD, Department of Medical Biophysics, University of Western Ontario
  • MCCPM, Certification in Radiation Oncology Physics, Canadian College of Physicists in Medicine

Research Synopsis

  • Online breast intensity modulated radiation therapy
  • Dose modulated breast radiation therapy for heart sparing


Recent Publications

Purdie TG, Moseley DJ, Bissonnette J-P, Sharpe MB, Franks K, Bezjak A and Jaffray DA. Respiration correlated cone-beam computed tomography and 4DCT for evaluating target motion in Stereotactic Lung Radiation Therapy. Acta Oncol, 45: 915-22, 2006.

Sharpe MB, Moseley DJ, Purdie TG, Islam M, Siewerdsen JH and Jaffray DA. The stability of mechanical calibration for a kV cone beam computed tomography system integrated with linear accelerator. Med Phys, 33: 136-44, 2006.

Purdie TG, Bissonnette J-P, Franks K, Bezjak A, Payne D, Sie F, Sharpe MB and Jaffray DA. Cone-beam computed tomography for on-line image guidance of lung stereotactic radiotherapy: localization, verification, and intrafraction tumor position. Int J Radiat Oncol Biol Phys, 68: 243-52, 2007.

Bissonnette J-P, Moseley D, White E, Sharpe M, Purdie TG and Jaffray DA. Quality assurance for the geometric accuracy of cone-beam CT guidance in radiation therapy. Int J Radiat Oncol Biol Phys, 71: S57-61, 2008.

Bissonnette J-P, Franks KN, Purdie TG, Moseley DJ, Sonke JJ, Jaffray DA, Dawson LA and Bezjak A. Quantifying interfraction and intrafraction tumor motion in lung stereotactic body radiotherapy using respiration-correlated cone beam computed tomography. Int J Radiat Oncol Biol Phys, 75: 688-95, 2009.

Bissonnette J-P, Purdie TG, Higgins JA, Li W and Bezjak A. Cone-beam computed tomographic image guidance for lung cancer radiation therapy. Int J Radiat Oncol Biol Phys, 73: 927-34, 2009.

McNiven AL, Sharpe MB and Purdie TG. A new metric for assessing IMRT modulation complexity and plan deliverability. Med Phys, 37(2): 505-515, 2010.



  • Assistant Professor, Department of Radiation Oncology, University of Toronto
  • Medical Physicist, Princess Margaret Hospital/University Health Network