Associate Professor

Mark Ruschin


Odette Cancer Centre - Sunnybrook Health Sciences Centre
2075 Bayview Avenue, Toronto, Ontario Canada M4N 3M5
Clinical Interests
Image-guided stIGRT, Treatment planning for gamma knife radiosurgery, External beam treatment planning, IMRT, volumetric modulated arc therapy, Dual-energy imaging
Please contact Faculty Member for more information


  • BSc, Physics, McMaster University
  • MSc, Medical Biophysics, University of Toronto
  • PhD, Medical Physics, Lund University, Sweden

Professional Memberships

  • Member, Canadian College of Physicists in Medicine

Research Synopsis

  • Online image guidance with conebeam CT for gamma knife Perfexion
  • Margins for fractionated radiotherapy on Perfexion
  • Inverse planning solutions for stereotactic radiotherapy
  • Evaluation of setup and intra-fraction motion for patients treated with bite-blocks
  • Dual-energy imaging using kV system on linac
  • Volumetric modulated arc therapy for CNS treatments



Associate Professor, Department of Radiation Oncology, University of Toronto
Medical Physicist, Odette Cancer Centre/Sunnybrook Research Institute