Radiation Oncology | X. Allen Li, PhD | Prof, Chief of Medical Physics

X. Allen Li, PhD, DABMP, FAAPM

Professor and Chief, Medical Physics

Locations

Radiation Oncology

Contact Information

Education

PhD, Electron Paramagnetic Resonance, Department of Physics, Concordia University, Montreal, Quebec, Canada, 1992
MS, Electron Optics and Electron Microscopy, Department of Physics, Yunnan University, Kunming, China, 1986
BS, Electron Physics, Department of Physics, Yunnan University, Kunming, China, 1983

Biography

Training

Clinical Physics Resident, Ottawa Regional Cancer Centre, Ottawa, Canada (1993-1994)

Postdoctoral Fellow, Ionizing Radiation, National Research Council Canada, Ottawa, Canada (1992-1993)

Certifications

Medical Physics-Radiation Oncology Physics, American Board of Medical Physicists (2001)

Medical Physics-Radiation Oncology Physics, Canadian College of Physicists in Medicine (1994)

Leadership Positions

Chief of Medical Physics, Department of Radiation Oncology

Research Interests

Adaptive radiation therapy
Biological modeling for radiation treatment planning
Anatomical/biological/functional imaging guided radiotherapy planning and delivery
Monte Carlo application to radiotherapy dosimetry

Automated air region delineation on MRI for synthetic CT creation.

(Thapa R, Ahunbay E, Nasief H, Chen X, Allen Li X.) Phys Med Biol. 2020 Jan 17;65(2):025009 PMID: 31775128 11/28/2019
A daily end-to-end quality assurance workflow for MR-guided online adaptive radiation therapy on MR-Linac.

(Chen X, Ahunbay E, Paulson ES, Chen G, Li XA.) J Appl Clin Med Phys. 2020 Jan;21(1):205-212 PMID: 31799753 SCOPUS ID: 2-s2.0-85076117374 12/05/2019
The transformation of radiation oncology using real-time magnetic resonance guidance: A review.

(Hall WA, Paulson ES, van der Heide UA, Fuller CD, Raaymakers BW, Lagendijk JJW, Li XA, Jaffray DA, Dawson LA, Erickson B, Verheij M, Harrington KJ, Sahgal A, Lee P, Parikh PJ, Bassetti MF, Robinson CG, Minsky BD, Choudhury A, Tersteeg RJHA, Schultz CJ, MR Linac Atlantic Consortium and the ViewRay C2T2 Research Consortium.) Eur J Cancer. 2019 Nov;122:42-52 PMID: 31614288 SCOPUS ID: 2-s2.0-85073099937 10/16/2019
The Dosimetric Impact of Interfractional Organ-at-Risk Movement During Liver Stereotactic Body Radiation Therapy.

(Schmid RK, Tai A, Klawikowski S, Straza M, Ramahi K, Li XA, Robbins JR.) Pract Radiat Oncol. 2019 Nov;9(6):e549-e558 PMID: 31176791 SCOPUS ID: 2-s2.0-85069501222 06/10/2019
Texture-based, automatic contour validation for online adaptive replanning: A feasibility study on abdominal organs.

(Zhang Y, Plautz TE, Hao Y, Kinchen C, Li XA.) Med Phys. 2019 Sep;46(9):4010-4020 PMID: 31274193 SCOPUS ID: 2-s2.0-85070238293 07/06/2019
Estimation of changing gross tumor volume from longitudinal CTs during radiation therapy delivery based on a texture analysis with classifier algorithms: a proof-of-concept study.

(Schott D, Schmidt TG, Hall W, Knechtges P, Noid G, Klawikowski S, Erickson B, Li XA.) Quant Imaging Med Surg. 2019 Jul;9(7):1189-1200 PMID: 31448206 PMCID: PMC6685807 SCOPUS ID: 2-s2.0-85076403234 08/27/2019
Measurement validation of treatment planning for a MR-Linac.

(Chen X, Paulson ES, Ahunbay E, Sanli A, Klawikowski S, Li XA.) J Appl Clin Med Phys. 2019 Jul;20(7):28-38 PMID: 31254376 PMCID: PMC6612768 SCOPUS ID: 2-s2.0-85068650421 06/30/2019
Serial T2-Weighted Magnetic Resonance Images Acquired on a 1.5 Tesla Magnetic Resonance Linear Accelerator Reveal Radiomic Feature Variation in Organs at Risk: An Exploratory Analysis of Novel Metrics of Tissue Response in Prostate Cancer.

(Lorenz JW, Schott D, Rein L, Mostafaei F, Noid G, Lawton C, Bedi M, Li XA, Schultz CJ, Paulson E, Hall WA.) Cureus. 2019 Apr 20;11(4):e4510 PMID: 31259119 PMCID: PMC6590865 07/02/2019
Correlation of CT texture changes with treatment response during radiation therapy for esophageal cancer: An exploratory study.

(Yan Z, Zhang J, Long H, Sun X, Li D, Tang T, Li XA, Hui W.) PLoS One. 2019;14(9):e0223140 PMID: 31557242 PMCID: PMC6762073 SCOPUS ID: 2-s2.0-85072659675 09/27/2019
Patterns of failure observed in the two-step institution credentialing process for NRG Oncology/RTOG 1005 (NCT01349322) and lessons learned.

(Li XA, Moughan J, White JR, Freedman GM, Arthur DW, Galvin J, Xiao Y, McNulty S, Lyons JA, Kavadi VS, Fields MT, Mitchell MP, Anderson BM, Lock MI, Kokeny KE, Bazan JG, Currey AD, Hijal T, Cheston SB, Vicini FA.) Pract Radiat Oncol. 2019 Nov 29 PMID: 31790823 12/04/2019
A preferred patient decubitus positioning for magnetic resonance image guided online adaptive radiation therapy of pancreatic cancer

(Chen Y, Chen X, Hall W, Prior P, Zhang Y, Paulson E, Lang J, Erickson B, Li XA.) Physics and Imaging in Radiation Oncology. October 2019;12:22-29 SCOPUS ID: 2-s2.0-85075203914 10/01/2019
Indications of Online Adaptive Replanning Based On Organ Deformation.

(Lim SN, Ahunbay EE, Nasief H, Zheng C, Lawton C, Li XA.) Pract Radiat Oncol. 2019 Aug 22 PMID: 31446149 SCOPUS ID: 2-s2.0-85073000078 08/26/2019

X. Allen Li, PhD