X. Allen Li, Ph.D, CCPM

Biography

• B.Sc. Yunnan University, China, 1983
• M.Sc. Yunnan University, China, 1986
• Ph.D. Concordia University, Canada, 1992
• Post-doc. National Research council Canada, 1993
• Asst. Prof./Physicist. Ottawa Cancer Center/University of Ottawa, 1997
• Asst. Prof./Physicist. Rush University, Chicago, 1998

• EGS4 Monte Carlo
• Photon & electron dose calculation and measurement
• 3-D conformal radiotherapy
• Dosimetry of intravascular brachytherapy

Selected Publications

1. X. A. Li, J. Chu, W. Chen and T. Zusag, "Dose enhancement by a thin layer of high-Z material: a potential clinical application", to be submitted to Med. Phys. (1998).
2. X.A. Li, C.-M. Ma and D. Salhani, "Relative dosimetry measurement for kilovoltage x-rays", Phys. Med. Biol., 42 2561-2568 (1997).
3. J. Cygler, X.A. Li and E. Lawrence, "Practical approach for electron beams at extended treatment distances", Phys. Med. Biol. 42 1505-1514 (1997).
4. D. Wilkins, X.A. Li, J. Cygler and L.Gerig, "The effect of dose rate dependence of silicon diode detectors on linac relative dosimetry", Med. Phys. 24 879-881 (1997).
5. X.A. Li, D. Salhani and C-M Ma,"Characteristics of orthovoltage x-ray therapy beam at extended SSD for applicators with end plates", Phys. Med. Biol. 42 357-370 (1997).
6. X.A. Li, D. Salhani, C.M. Ma and O. Agboola, "Dosimetry of a kilovoltage x-ray unit for an endocavitary radiotherapy technique", Submitted to Medical Physics 1996.
7. X.A. Li, M. Soubra, J. Szanto and L.H. Gerig, "Lateral electron equilibrium in measurements of head scatter factors using miniphantoms and brass caps", Med. Phys. 22 1167-1170 (1995).
8. X.A. Li and D.W.O. Rogers, "Electron mass scattering powers: Monte Carlo and analytical calculations", Med. Phys. 22 531-541 (1995).
9. X.A. Li and D.W.O. Rogers, "Reducing electron contamination for photon beam-quality specification", Med. Phys. 21, 791-797 (1994).