Thomas Nelson, PhD

Professor, Departments of Radiology and Bioengineering, University of California, San Diego

Dr. Nelson is a tenured Professor in the Departments of Radiology and Bioengineering at the University of California, San Diego. He is a Fellow of the American Association of Physicists in Medicine and the American Institute of Ultrasound in Medicine. Dr. Nelson is a Diplomate of the American Board of Health Physics and the American Board of Radiology. Dr. Nelson received his B.A. degree from in Mathematics from San Diego State University in 1972, his M.S. in Radiological Physics from San Diego State University in 1974 and his Ph.D. degree in Medical Physics from the University of California, Los Angeles in 1977. Dr. Nelson's research interests include medical imaging including breast imaging and 3D ultrasound, computer modeling, and visualization. His current research is directed toward early detection of breast cancer. His current research is directed toward early detection of breast cancer. Dr. Nelson's clinical areas of interest include patient radiation dose reduction and image optimization. Dr. Nelson is the principal physicist for the UC Health System overseeing all equipment testing, radiation dosimetry and chairing the radiation safety committee.

Dr. Nelson's Lectures

CT Dose Control and Optimization

Things to Check Before You Scan a Child with CT

Selected Publications

  1. Nelson TR, Kellner AL: "High-Performance Clinical Patient Data Review and Consultation System." In Medicine Meets Virtual Reality, edited by KS Morgan, HM Hoffman, D Stredney, SJ Weghorst, IOS Press 1997, 289-297.
  2. Boone J.M., Nelson T.R. The Case for Dedicated CT Screening for Breast Cancer Radiology, 217:346 2000
  3. Nelson T.R., Pretorius DH, Lev-Toaff A, Bega G, Budorick NE, Hollenbach KA, Needleman L Feasibility of Performing a Virtual Patient Examination Using Three-Dimensional Ultrasonographic Data Acquired at Remote Locations J Ultrasound in Medicine, 20: 941-952 2001
  4. Boone JM, Nelson T.R., Lindfors KK, and Seibert JA Dedicated Breast CT: Radiation Dose and Image Quality Evaluation Radiology, 221: 657-667 2001
  5. Nelson T.R., Pretorius DH Management of Three-Dimensional Ultrasound Patient Data via Networks Ultrasound Review of Obstetrics and Gynecology, 1: 184-189 2001
  6. Boone JM, Lindfors KK, Seibert JA, and Nelson T.R.Breast Cancer Screening using a dedicated Breast CT Scanner: A Feasibility Study, Digital Mammography: Proceedings from the 6th International Workshop on Digital Mammography, Bremen, German June 22-25, 2002, Ed Heinz-Otto Peitgen, pp 6-11 Springer-Verlag, New York 2003
  7. Boone JM, Shah N, and Nelson T.R. A Comprehensive Analysis of DgNCT Coefficients for Pendant- Geometry Cone-Beam Breast Computed Tomography Medical Physics 31: 226-235 2004
  8. Kwan A, Shah N, Burkett G, Seibert JA, Lindfors KK,Nelson T.R., and Boone JM Progress in the development of a dedicated breast CT scanner SPIE 53-68 2004
  9. Kwan A, Boone JM, Shah N, "Evaluation of x-ray scatter properties in a dedicated cone-beam breast CT scanner", Med Phys 32:2967-2975, 2005
  10. Boone JM, Kwan A, Seibert JA, Shah N, Lindfors KK,Nelson TR, "Technique factors and their relationship to radiation dose in pendant geometry breast CT", Med Phys 32: 3767-3776, 2005
  11. Nelson TR, Nebeker J, Denton S, Cervino LI, Pretorius DH, Boone JM, Performance Characterization of a Volumetric Breast Ultrasound Scanner, Proc. SPIE Vol. 6510, 65101G, 2007
  12. Lindfors KK, Boone JM, Nelson TR, Yang K, Kwan ALC, Miller DF, Dedicated Breast CT: Initial Clinical Experience, Radiology, 246:725-32, 2008
  13. Nelson TR, Fowlkes, J, Abramowicz, J, Church, C, Ultrasound Biosafety Considerations for the Practicing Sonographer/Sonologist, J Ultrasound Med 28 139-150 2009
  14. Luszcz J, Nelson TR, Bloom M, Choski R, Sirivolu S, Dhar A, Digital Imaging and Communications in Medicine (DICOM), Supplement 43: Storage of 3D Ultrasound Images, DICOM Standards Committee, August, 2009
  15. Jeannie S. Huang JS, Tobin A, Harvey L, Nelson TR, Diagnostic Medical Radiation in Pediatric Patients with Inflammatory Bowel Disease, Journal of Pediatric Gastroenterology & Nutrition, 53(5):502-506, 2011