John Schreiner
Professor Emeritus
Affiliated Adjunct Faculty
Physics, Engineering Physics & Astronomy
School of Medicine-Oncology
Dept. of Oncology - Cancer Centre of Southeastern Ontario (CCSEO)
Research Areas
Radiation Oncology / Medical Physics:
adaptive radiation therapy, therapy dose delivery validation, process quality assurance, cobalt radiation therapy
Current Research
Advanced image guided radiation delivery and tomotherapy techniques with Cobalt-60 sources, Co‑60 megavoltage imaging and computed tomography (CT), quantitative CT imaging, three dimensional radiation dosimetry with gel dosimeters and magnetic resonance and optical CT imaging, conventional radiation dosimetry and computer simulations of physical quantities in radiotherapy and at diagnostic energies, clinical evaluation of dose delivery in radiation treatment.