Adam B. Paxton, PhD

Research Interests

  • Patient Safety
  • Motion Management in Radiation Therapy
  • Radiosurgery
  • Brachytherapy
  • Protons


  • English

Academic Information

  • Departments: Radiation Oncology - Assistant Professor (Clinical)

Board Certification

  • American Board of Radiology (Therapeutic Medical Physics)

Academic Bio

Adam Paxton, PhD is an Assistant Professor in the Department of Radiation Oncology at the University of Utah and a Medical Physicist at Huntsman Cancer Hospital (HCH). Dr. Paxton received his BS from the College of Idaho and his MS and PhD from the University of Wisconsin. He completed his residency training in Medical Physics at the University of California, San Diego. Dr. Paxton’s clinical and research interests include implementing new technologies in the clinic, patient safety, motion management, radiosurgery, and proton therapy.

Education History

Type School Degree
Residency University of California, San Diego
Radiation Therapy
Doctoral Training University of Wisconsin
Medical Physics
Graduate Training University of Wisconsin
Medical Physics
Undergraduate College of Idaho
Physics and Mathematics

Selected Publications

Journal Article

  1. Paxton AB, Sarkar V, Kunz JN, Szegedi M, Zhao H, Huang YJ, Nelson G, Rassiah P, Su FF, Salter BJ (2020). Evaluation of the effects of implementing a diode transmission device into the clinical workflow. Phys Med, 80, 335-341.
  2. Nelson G, Paxton A, Kunz J, Huang J, Szegedi M, Sarkar V, Salter B (2020). FMEA occurrence values for four failure modes occurring using look-up tables for dose calculations. (Epub ahead of print) J Appl Clin Med Phys.
  3. Szegedi M, Boehm C, Paxton A, Rassiah-Szegedi P, Sarkar V, Zhao H, Su F, Kokeny KE, Lloyd S, Tward J, Salter BJ (2020). Comparison of transperineal ultrasound image guidance technique to transabdominal technique for prostate radiation therapy. (Epub ahead of print) Med Phys.
  4. Zhao H, Paxton A, Sarkar V, Huang YJ, Frances Su FC, Haacke C, Rassiah-Szegedi P, Szegedi M, Salter B (2020). Prevention of Radiation Therapy Treatment Deviations by a Novel Combined Biometric, Radiofrequency Identification, and Surface Imaging System. (Epub ahead of print) Pract Radiat Oncol.
  5. Rassiah P, Su FF, Huang YJ, Spitznagel D, Sarkar V, Szegedi MW, Zhao H, Paxton AB, Nelson G, Salter BJ (2020). Using failure mode and effects analysis (FMEA) to generate an initial plan check checklist for improved safety in radiation treatment. J Appl Clin Med Phys, 21(8), 83-91.
  6. Sarkar V, Szegedi M, Paxton A, Nelson G, Rassiah-Szegedi P, Reddy CB, Tao R, Hitchcock YJ, Kokeny KE, Salter BJ (2020). Preliminary clinical experience with Calypso anchored beacons for tumor tracking in lung SBRT. (Epub ahead of print) Med Phys.
  7. Sarkar V, Paxton A, Rassiah P, Kokeny KE, Hitchcock YJ, Salter BJ (2020). Evaluation of dose distribution differences from five algorithms implemented in three commercial treatment planning systems for lung SBRT. J Radiosurg SBRT, 7(1), 57-66.
  8. Sarkar V, Paxton A, Kunz J, Szegedi M, Nelson G, Rassiah-Szegedi P, Zhao H, Huang YJ, Su F, Salter BJ (2019). A systematic evaluation of the error detection abilities of a new diode transmission detector. J Appl Clin Med Phys, 20(9), 122-132.
  9. Sarkar V, Lloyd S, Paxton A, Huang L, Su FC, Tao R, Tward J, Zhao H, Salter B (2018). Daily breathing inconsistency in pancreas SBRT: a 4DCT study. J Gastrointest Oncol, 9(6), 989-995.
  10. Sarkar V, Paxton A, Szegedi MW, Zhao H, Huang L, Nelson G, Huang YJ, Su F, Rassiah-Szegedi P, Salter BJ (2018). An evaluation of the consistency of shifts reported by three different systems for non-coplanar treatments. J Radiosurg SBRT, 5(4), 323-330.
  11. Paxton AB, Manger RP, Pawlicki T, Kim GY (2017). Evaluation of a surface imaging system's isocenter calibration methods. J Appl Clin Med Phys, 18(2), 85-91.
  12. Manger R, Paxton A, Cervio L (2016). Dosimetric assessment of brass mesh bolus for postmastectomy photon radiotherapy. J Appl Clin Med Phys, 17(6), 86-96.
  13. Manger RP, Paxton AB, Pawlicki T, Kim GY (2015). Failure mode and effects analysis and fault tree analysis of surface image guided cranial radiosurgery. Med Phys, 42(5), 2449-61.
  14. Paxton AB, Davis SD, Dewerd LA (2012). Determining the effects of microsphere and surrounding material composition on (90)Y dose kernels using egsnrc and mcnp5. Med Phys, 39(3), 1424-34.
  15. Paxton AB, Culberson WS, DeWerd LA, Micka JA (2008). Primary calibration of coiled 103Pd brachytherapy sources. Med Phys, 35(1), 32-8.

Edited Book

  1. Hoisak JDP, Paxton AB, Waghorn B, Pawlicki T (Eds.) (2020). Surface Guided Radiation Therapy. (1st Edition). Boca Raton, FL: CRC Press.

Book Chapter

  1. Paxton AB (2020). SGRT for Proton Therapy. In Hoisak JDP, Paxton AB, Waghorn B, Pawlicki T (Eds.), Surface Guided Radiation Therapy (1st Edition, pp. 421-436). Boca Raton, FL: CRC Press.
  2. Zhao H, Paxton AB (2020). Commissioning and Routine Quality Assurance of the Varian IDENTIFY System. In Hoisak JDP, Paxton AB, Waghorn B, Pawlicki T (Eds.), Surface Guided Radiation Therapy (1st Edition, pp. 137-155). Boca Raton, FL: CRC Press.