Assistant Professor

Alexandra Rink


Princess Margaret Cancer Centre
610 University Avenue, Toronto, Ontario Canada M5G 2M9
Research Interests
Point-based fibre-optic real-time patient dosimetry; Self-calibrating dosimeters
Clinical Interests
MR-guided brachytherapy for prostate and cervix cancer; Uncertainties in dose delivery in HDR brachytherapy; Effect of organ motion and filling on plan quality in HDR brachytherapy for cervical cancer


  • PhD, Medical Biophysics, University of Toronto
  • CAMPEP Physics Residency Program, University of Toronto
  • Clinical Physics Fellowship, University of Toronto / The Princess Margaret
  • MCCPM, Certification in Radiation Oncology Physics, Canadian College of Physicists in Medicine

Professional Memberships

  • American Brachytherapy Society
  • Canadian Organization of Medical Physicists
  • American Association of Physicists in Medicine

Recent Publications

Book Chapters

A. Rink and D.A. Jaffray: Fiber Optic-based Radiochromic Dosimetry in Scintillation Dosimetry, Ed. S. Beddar and L. Beaulieu, CRC Press Taylor & Francis Group (2016)

Peer-Reviewed Publications

Gerber R, Rink A, Croke J, Borg J, Beiki-Ardakani A, Fyles A, Milosevic M, Xie J, Keller H, Han K. Comparison of dosimetric parameters derived from whole organ and wall contours for bladder and rectum in cervical cancer patients treated with intracavitary and interstitial brachytherapy. Radiother Oncol. 2018 Feb 6. pii: S0167-8140(18)30041-0. doi: 10.1016/j.radonc.2018.01.015. [Epub ahead of print]

J. Skliarenko, M. Carlone, K. Tanderup, K. Han, A. Beiki-Ardakani, J. Borg, K. Chan, J. Croke, A. Rink, A. Simeonov, R. Ujami, J. Xie, A. Fyles, M. Milosevic: Technique Adaptation, Strategic Replanning, and Team Learning During Implementation of MR-Guided Brachytherapy for Cervical Cancer, Brachytherapy 17: 86-93, 2018

A. Rink, J. Borg, A. Simeonov, G. O’leary, C. Ménard, P. Chung, J. Helou, D.A. Jaffray,Berlin: Dosimetric Impact of Intrafraction Changes in MR-Guided High-Dose-Rate (HDR) Brachytherapy for Prostate Cancer, Brachytherapy 17: 59-67, 2018

S. Felder, L. Morley, E. Ng, K. Chan, H. Ballantyne, A. Di Tomasso, J. Borg, J. Bissonnette, S. Breen, J. Waldron, A. Rink, M. Milosevic: Brachytherapy Patient Safety Events in an Academic Radiation Medicine Program, Brachytherapy 17: 16-23, 2018

A. Hosni, M. Carlone, A. Rink, C. Ménard, P. Chung, A. Berlin: Dosimetric F easibility of Ablative Dose Escalated Focal Monotherapy with MR_Guided High-Dose-Rate(HDR) Brachytherapy for Prostate Cancer, Radiother Oncol 122: 103-108, 2017

A. Hosni, A. Bezjak, A. Rink, K. Czarnecka, A. McPartlin, S. Patterson, E. Saibishkumar: High Dose Rate Brachytherapy as a Treatment Option in Endobronchial Tumors, Lung Cancer Int. 2016:3086148, 2016 Jul 14

J. Murgic, P. Chung, A. Berlin, A. Bayley, P. Warde, C. Catton, A. Simeonov, J. Abed,G.    O`Leary, A. Rink, C. Ménard:  Lessons learned using an MRI-only workflow during high-dose-rate brachytherapy for prostate cancer, Brachytherapy 15: 147-155, 2016

S. Barbiero, A. Rink, F. Matteucci, D. Fedele, F. Paiar, F. Pasqualetti, M. Avanzo: Single-Fraction Flattening Filter-Free Volumetric Modulated Arc Therapy for Lung Cancer: Dosimetric Results and Comparison with Flattened Beams Technique, Med Dosim 41: 334-338, 2016

D.A. Jaffray, M.C. Carlone, M.F. Milosevic, S.L. Breen, T. Stanescu, A. Rink, H. Alasti,A.    Simeonov, M.C. Sweitzer, J.D. Winter: A Facility for Magnetic Resonance-Guided Radiation Therapy, Sem Rad Onc 24: 193-195, 2014

M. Avanzo, A. Rink, A. Dassie, S. Massarut, M. Mileto, M. Roncadin, M.G. Trovo, E. Capra: In Vivo Dosimetry with Radiochromic Films in Low-Voltage Intraoperative Radiotherapy of the Breast, Med Phys 39: 2359-2368, 2012

P. Lindsay, A. Rink, M. Ruschin, D.A. Jaffray: Investigation of Energy Dependence of EBT and EBT-2 Gafchromic Film, Med Phys 37: 571-576, 2010

A. Rink, D.F. Lewis, S. Varma, I.A. Vitkin, D.A. Jaffray: Temperature and Hydration Effects on Absorbance Spectra and Sensitivity to Ionizing Radiation of a Radiochromic Medium, Med Phys 35: 4545-4555, 2008

A. Rink, I.A. Vitkin, D.A. Jaffray: Intra-irradiation Changes in Signal of Polymer Based Dosimeter (GAFCHROMIC EBT) Due to Dose Rate Variations, Phys Med Biol 52: N523-N529, 2007

A. Rink, I.A. Vitkin, D.A. Jaffray: Energy dependence (75 kVp to 18 MV) of radiochromic films assessed using a real-time optical dosimeter, Med Phys 34: 458-463, 2007

A. Rink, I.A. Vitkin, D.A. Jaffray: Characterization and Real-Time Optical Measurements of the Ionizing Radiation Dose Response for a New Radiochromic Medium, Med Phys 32: 2510-2516, 2005

A. Rink, I.A. Vitkin, D.A. Jaffray: Suitability of Radiochromic Medium for Real-Time Optical Measurements of Ionizing Radiation Dose, Med Phys 32: 1140-1155, 2005



Assistant Professor, Department of Medical Biophysics, University of Toronto
Assistant Professor, Department of Radiation Oncology, University of Toronto
Affiliated Faculty, Techna Institute for the Advancement of Technology for Health


Honours and Awards

Name: J.R. Cunningham Young Investigator Award (2nd place), CARO-COMP
Name: Terry Fox Foundation Research Studentship Award through the National Cancer Institute of Canada
Name: Scace Graduate Fellowship in Prostate Cancer Research
Name: NSERC Undergraduate Student Research Award
Name: NSERC Industrial Undergraduate Student Research Award