Michael Roumeliotis

Medical Physicist, FCCPM

Division of Medical Physics

Adjunct Associate Professor

Department of Physics and Astronomy

Adjunct Associate Professor

Department of Oncology

B.Eng. (Engineering Physics)

McMaster University, 2005

Ph.D. (Medical Biophysics)

Western University, 2011

CAMPEP Residency

The Ottawa Hospital, 2014

Contact information

Research and Teaching

Research Interests

  • Brachytherapy
  • Accelerated partial breast irradiation
  • Medical education & technology enhanced simulation
  • Machine learning & patient outcomes in radiotherapy


Co-investigator ($422,125): Alberta Cancer Foundation (2020-2023), "Early detection of breast cancer recurrence with a fast and low-cost imaging technique"

Principal Investigator ($25,000): Oncology Research Office, University of Calgary (2019-2020), “Cost effectiveness of gynecologic brachytherapy”.

Co-investigator ($515,000): Alberta Cancer Foundation (2019-2022), “Innovation, knowledge generation and enhanced techniques: the next stage of brachytherapy practice in Calgary”.

Lead medical physicist & co-investigator ($150,000): Investigator Initiated Interventional Study, Alberta Cancer Foundation (2016-2020), “Accelerated partial breast irradiation using five daily fractions: A single arm, phase II, prospective cohort study to examined cosmetic outcomes and toxicity (the ACCEL trial)”

Current Students:

Amy Frederick (Ph.D. candidate)
Devin van Elburg (Ph.D. student)
Kailyn Stenhouse (M.Sc. student)

Past Students:

Tiana Trumpour (B.Sc. Thesis)
Luc Hudon (Undergraduate Summer Student)


(2018 - 2020): 

S. Quirk, P. Grendarova, T. Phan, L. Conroy, B. Burke, K. Long, K. Thind, J. Cao, P. Craighead, I. Olivotto, M. Roumeliotis. “A retrospective analysis to define achievable dosimetric recommendations for the left anterior descending artery for left-sided breast cancer patients treated with radiotherapy”, Radiotherapy and Oncology, 148, pp. 167-173, 2020.

S. Quirk, P. Grendarova, P. Craighead, T. Phan, M. Lesiuk, J. Pinilla, H. Liu, J. Wilson, K. Bignell, T. Austin, I. Olivotto, M. Roumeliotis. “Results of the ACCEL trial: dosimetry in partial breast irradiation”, Radiotherapy and Oncology, 147, pp. 50-55, 2020.

K. Martell, S. Roy, T. Meyer, J. Stosky, W. Jiang, K. Thind, M. Roumeliotis, J. Bosch, S. Angyalfi, H. Quon, S. Husain. “Retrospective analysis of outcomes after non-contour-based dose painting of dominant intra-epithelial lesion in intra-operative low-dose-rate brachytherapy”, Heliyon, 6(6), e04092, 2020.

A. Frederick, M. Roumeliotis, P. Grendarova, P. Craighead, T. Abedin, E. Watt, I. Olivotto, T. Meyer, S. Quirk. “A framework for clinical validation of deformable image registration-based contour propagation: beyond geometric comparison”, Practical Radiation Oncology, 9(6), pp. 448-455, 2019.

P. Grendarova, M. Roumeliotis, S. Quirk, M. Lesiuk, P. Craighead, H. Liu, J. Wilson, J. Pinilla, K. Bignell, T. Phan, I. Olivotto. “One-year cosmesis and fibrosis from ACCEL: accelerated partial breast irradiation (APBI) using 27 Gy in 5 daily fractions”, Practical Radiation Oncology, 9(5), pp. e457-e464, 2019.

J-G. Belliveau, K. Thind, R. Banerjee, S. Quirk, C. Doll, T. Phan, T. Meyer, M. Roumeliotis. “A clinical implementation workflow for perineal template-based interstitial brachytherapy implants to comply with EMBRACE II dosimetric constraints without adaptive planning”, Journal of Contemporary Brachytherapy, 11(2), pp. 122-127, 2019.

E. Watt, M. Skarsgard, M. Roumeliotis, S. Husain, T. Meyer. “Post-implant analysis in permanent breast seed implant: automated plan reconstruction using simulated annealing”, Journal of Contemporary Brachytherapy, 11(1), pp. 61-68, 2019.

P. Grendarova, S. Quirk, M. Roumeliotis, M. Lesiuk, T. Austin, K. Bignell, H. Liu, P. Craighead, J. Wilson, T. Phan, I. Olivotto. “A phase II trial to determine the cosmetic outcomes and toxicity of 27 Gy in 5 fractions accelerated partial breast irradiation: the ACCEL trial”, Journal of Radiation Oncology, 7(3), pp. 285-291, 2018.

T. Meyer, S. Quirk, M. D’Souza, D. Spencer, M. Roumeliotis. “A framework for dosimetric characterization of 3D printed materials for use as immobilization devices in photon radiotherapy”, Journal of Applied Clinical Medical Physics, 19(5), pp. 499-505, 2018.

M. Roumeliotis, K. Long, T. Phan, D. Graham, S. Quirk. “Including internal mammary lymph nodes in radiation therapy for synchronous bilateral breast cancer: an international survey of treatment technique and clinical priorities”, Breast Cancer Research and Treatment, 171(2), pp. 471-475, 2018.

E. Watt, L. Conroy, M. Peacock, M. Roumeliotis, A. Frederick, S. Husain, T. Meyer. “Appropriate timing for post-implant imaging in permanent breast seed implant: results from a serial CT study”, Brachytherapy, 17(3), pp. 609-614, 2018.

M. Roumeliotis, B. Yates, E. Watt, A. Frederick, T. Meyer. “Demonstration of simulated annealing optimization for permanent breast seed implant treatment planning”, Brachytherapy, 17(3), pp. 615-620, 2018.

S. Quirk, P. Grendarova, M. Roumeliotis. “Five-field IMRT class solutions and dosimetric planning guidelines for implementing accelerated partial breast irradiation”, Practical Radiation Oncology, 8(3), pp. e99-e107, 2018.

M. Roumeliotis, S. Quirk, M. Skarsgard, T. Trumpour, E. Watt, T. Meyer. “Development and characterization of an anthropomorphic breast phantom for permanent breast seed implant brachytherapy credentialing”, Brachytherapy, 17(2), pp. 506-513, 2018.

A. Frederick, T. Meyer, M. Roumeliotis. “Treatment planning considerations for permanent breast seed implant”, Brachytherapy, 17(2), pp. 456-464, 2018.