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Huijun Xu, PhD

Academic Title:

Assistant Professor

Primary Appointment:

Radiation Oncology



Phone (Primary):




Education and Training

2008            BS.,  Applied Physics,  Shanghai Jiao Tong University (SJTU), Shanghai, China

2013            Ph.D.,  Medical Physics,  Virginia Commonwealth University (VCU), Richmond, VA

2015            Residency, Medical Physics,  University of Maryland, Baltimore, MD


Dr. Xu is currently an Assistant Professor in the Department of Radiation Oncology at the University of Maryland School of Medicine.  Before she graduated from SJTU in 2008, Dr. Xu also worked as an intern researcher at Shanghai Institute for Biological Sciences.   In 2013, Dr. Xu received her Ph.D. at a CAMPEP-accredited Medical Physics program at VCU.  Her graduate researches focused on the probablistic (robust) treatment planning optimization to consider organ motion, delineation variation and setup uncertainty for IMRT.  In 2015, Dr. Xu finished a two-year physics residency at the University of Maryland (CAMPEP-accredited) and joined the faculty at the same year.  

Research/Clinical Keywords

Treatment planning optimization, Uncertainty management, electron dosimetry, LDR

Highlighted Publications

H. Xu, M Guerrero, S Chen, X Yang, K Prado, C Schinkel. Clinical implementation of an electron monitor unit dosimetry system based on task group 71 report and a commercial calculation program. Journal of Medical Physics 41:214-8. (2016)

H. Xu, J.J. Gordon and J.V. Siebers, “Coverage-based treatment planning to accommodate delineation uncertainties in prostate cancer treatment”, Medical Physics 42, 5435 (2015).

S. Chen, B. Yi, X. Yang, H. Xu, K.L. Prado, W. D’Souza, “Optimizing the MLC Model Parameters for IMRT in the RayStation Treatment Planning System”, Journal of applied clinical medical physics, Vol 16, No 5 (2015).

H. Xu, D.J. Vile, M. Sharma, J.J. Gordon, and J.V. Siebers, “Coverage-based treatment planning to accommodate deformable organ variations in prostate cancer treatment,” Medical Physics 41(10), 101705 (2014).

H. Xu, J.J. Gordon, and J.V. Siebers, “Sensitivity of postplanning target and OAR coverage estimates to dosimetric margin distribution sampling parameters,” Medical Physics 38(2), 1018, (2011).

H. Xu, J. Li and H. Li, “Application of Differential Equation to the Evolution of Two Groups,” Zoological Research 30(1), 11–16, (2009).

Clinical Specialty Details


American Board of Radiology, Certificate in Therapeutic Radiologic Physics (2016)