Sam joined MRO in 2023

Clinical interests

SBRT/SRS Treatment Techniques

Undergraduate school

University of St. Thomas, St. Paul MN – BA, Marketing Management

University of Minnesota, Minneapolis, MN – BS, Astrophysics

Graduate school

University of Minnesota, Minneapolis, MN – MS Medical Physics

Leadership and recognition

American Association of Physicists in Medicine (AAPM) Midwest Chapter

Ethics Seminar – ABR/ACR/RSNA/AAPM/ASTRO/ARR/ARS Online Modules on Ethics and Professionalism

Special interests

When not working with patients, Sam enjoys juggling, unicycling, magic, guitar, banjo, history, and astronomy.

Peer Reviewed Publications

Glesener, L., Gebre-Egziabher, D., Chaffin J., Drehmel S., Knuth T., Kukowski T., Yurs M., Yogt R., Valero A., Bergstedt K., “Developing a Detector Model for the Experiment for X Ray Characterization and Timing (EXACT) CubeSat”, Proceedings of the SPIE, Volume 10397, id. 103971F 13 pp. (2017)


S Drehmel1*, J Lawrence2, C Ferreira3, E Ehler3 “Characterization of Patient Shifts From Ct Simulation to First Fraction to Improve Tumor Localization” – AAPM ePoster Library. Drehmel S. 07/12/20; 301461; PO-GeP-M-94 Topic: Other Multi-Disciplinary Related Topics e-Poster presentation

In-Progress papers/abstracts/manuscripts

  1. “Applications of Strontium Aluminate Phosphate as a Real time Dosimeter”
  2. “Characterization of Patient Shifts from CT Simulation to First Fraction to
    Improve Tumor Localization”
  3. Use of flexible lead alloy-cap to reduce exposure for post-GammaTile implant