Hui Zhao, PhD, DABR

Languages spoken: English

Academic Information

Departments: Radiation Oncology - Associate Professor (Clinical)

Academic Office Information

Hui.Zhao@hci.utah.edu

Board Certification

  • American Board of Radiology (Radiation Oncology)

Research Interests

  • Radiosurgery
  • Radiotherapy
  • Image Guided Radiation Therapy (IGRT)
  • Surface Imaging (VisionRT and HumediQ)
  • CT-on-Rails
  • kV and MV Cone-Beam CT
  • Ultrasound (Clarity and BAT)
  • Calypso
  • Intra- and Inter-fractional Tumor Motion
  • Adaptive Radiation Therapy
  • Gated Delivery
  • Stereotactic Radiosurgery (SRS)
  • Stereotactic Body Radiation Therapy (SBRT)

Hui Zhao, PhD, is an Associate Professor in the Department of Radiation Oncology at the University of Utah and a medical physicist at Huntsman Cancer Hospital (HCH).

Dr. Zhao specializes in the physics of image-guided radiation therapy (IGRT), surface-guided radiation therapy (SGRT), stereotactic body radiation therapy (SBRT), stereotactic radiosurgery (SRS), high dose rate brachytherapy (HDR), and low dose rate brachytherapy (LDR).

Dr. Zhao obtained her B.S. degree in Modern Physics from University of Science and Technology of China (USTC). She received a Ph.D. in Medical Physics from University of Wisconsin – Madison in 2005. Dr. Zhao is an active member of American Association of Physicists in Medicine (AAPM).

Before joining HCH, Dr. Zhao completed a residency in clinical radiation oncology physics in the Radiation Oncology Department of Washington University in St. Louis. Her clinical and research interests include image-guided radiation therapy (IGRT), surface-guided radiation therapy (SGRT), and adaptive radiation therapy.

Education History

Postdoctoral Fellowship University of Wisconsin School of Medicine and Public Health
Medical Physics 		Postdoctoral Fellow
Residency Washington University in St. Louis
Radiation Oncology Physics 		Resident
Doctoral Training University of Wisconsin School of Medicine and Public Health
Medical Physics 		Ph.D.
Graduate Training University of Wisconsin School of Medicine and Public Health
Medical Physics 		M.S.
Undergraduate University of Science and Technology of China
Modern Physics 		B.S.

Selected Publications

  1. Hui Zhao, Vikren Sarkar, Sara T St James, Ryan G Price, Christian W Dial and Adam B Paxton (2023). Surface Variation and Agreement with CTOR during SDX DIBH for a Proton Radiation Treatment [Abstract].
  2. Hui Zhao, Geoffrey S Nelson, YuHuei Jessica Huang, Courtney C Oare, Stephen Bhagroo, Ryan G Price, Jeremy Kunz, Bill J Salter (2023). kV CBCT Image Quality Evaluation of Varian Halcyon Hypersight [Abstract].
  3. Hui Zhao, Adam Paxton (2023). Application of image-guided radiation therapy for abdominal stereotactic body radiotherapy. In Principles and Practice of Image-Guided Abdominal Radiation Therapy.
  4. Christopher R Weil, Fadi Haroun, Kevin Guo, Ryan D Kraus, Zhao Hui, Lindsay M Burt, Gita Suneja, Cristina M DeCesaris, Y Jessica Huang, David K Gaffney (2023). Importance of radiographic tumor regression during radiotherapy in squamous cell versus adenocarcinoma of the uterine cervix as assessed by MRI and cone beam CT. Eur J Gynaecol Oncol, 44(1), 68-78.
  5. Xing Li, Jessica Huang, Robabeh Rahimi, Hui Zhao, Jeremy Kunz, Gita Suneja, Fan-Chi Su (2022). A novel approach for Venezia ovoid commissioning with a comprehensive analysis of source positions in high-dose-rate brachytherapy. Brachytherapy, 21(22).
  6. F Haroun, CR Weil, K Guo, H Zhao, LM Burt, G Suneja, C DeCesaris, YJ Huang, DK Gaffney (2022). Importance of radiographic tumor regression during radiotherapy in squamous cell versus adenocarcinoma of the uterine cervix as assessed by MRI and cone beam CT [Abstract]. 114(3), S113.
  7. Hui Zhao, Adam Paxton, Viken Sarkar, Ryan G Price, Jessica Huang, Fan-Chi Framnces Su, Xing Li, Prema Rassiah, Martin Szegedi, Bill Salter (2022). Surface-guided patient setup versus traditional tattoo markers for radiation therapy: is tattoo-less setup feasible for thorax, abdomen and pelvis treatment? Cureus, 14(8).
  8. H Zhao, C Haacke, R Price, M Szegedi, Y Huang, P Rassiah-Szegedi, A Paxton, F Su, V Sarkar, B Salter (2022). Initial Evaluation of Varian Identify System (Version 2.3) [Abstract]. 49(6), E839-E839.
  9. X Li, Y Huang, K Hopfensperger, S Bhagroo, H Zhao, J Kunz, G Nelson, F Su (2022). Source Position Uncertainty in the Venezia Advanced Gynecological Applicator for High-Dose-Rate Brachytherapy [Abstract]. 49(6), E817.
  10. F Su, X Li, H Zhao, S Bhagroo, P Rassiah-Szegedi, B Salter, V Sarkar (2022). Initial Assessments of Delta4 TPV, a Monte Carlo-Based Second Check Software [Abstract]. 49(6), E909-E910.
  11. Xing Li, Fan-Chi Su, Viken Sarkar, Hui Zhao, Sergio Ibanez, Jeremy Kunz, Geoff Nelson, Y Jessica Huang (2022). Impact of detector selection on commissioning of Leipzig surface applicators with improving immobilization in high dose rate brachytherapy. Brachytherapy, 21(4), 511-519.
  12. Lin P, Goode A, Corwin F, Fisher R, Balter S, Wunderle K, Schuler B, Kim D, Zhang J, Zhou Y, Jenkins P, Mahmood U, Lin T, Zhao H, Park M, Trianni A, Lendle M, Kuhls-Gilcrist A, Jans J, Desponds L, Banasiak G, Backes S, Snyder C, Snyder A, Lu M, Gonzalez S (2022). AAPM task group report 272: comprehensive acceptance testing and evaluation of fluoroscopy imaging systems. Med Phys, 49(4), e1-e49.
  13. Huang YJ, Sarkar V, Paxton A, Zhao H, Su F, Price R, Salter B (2021). An Investigation of Radiation Treatment Learning Opportunities in Relation to the Radiation Oncology Electronic Medical Record (RO-EMR): A Single Institution Experience Advances in Radiation Oncology. Adv Radiat Biol, 7(1).
  14. H Zhao, F Su, X Li, J Kunz, G Nelson, P Rassiah-Szegedi, K Hopfensperger, G Stinnett, Y Huang (2021). Evaluation of MIM Symphony Treatment Planning System for Post Prostate Seed Implant (PPSI) Planning [Abstract]. 48(6).
  15. Xing Li, Gary Stinnett, Fan-Chi F Su, Hui Zhao, Jeremy Kunz, Geoff Nelson, Y Jessica Huang (2021). An Experimental Study to Determine the Optimal Source Dwell Positions in Leipzig Surface Applicators [Abstract]. 20(3), S59-S60.
  16. Karolyn M Hopfensperger, Jeremy Kunz, Xing Li, Hui Zhao, Geoff Nelson, Fan-Chi F Su, Gary Stinnett, David Gaffney, Lindsay Burt, Gita Suneja, Y Jessica Huang (2021). Effects of Interfractional Variations in MCVC Placement and Rotation on HR-CTV and OAR Dose [Abstract]. 20(3).
  17. 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.
  18. FCF Su, X Li, YJ Huang, H Zhao, G Nelson, M Szegedi, P Rassiah, J Kunz, G Stinnett, BJ Salter (2020). Dosimetric Variations in Gynecological HDR Brachytherapy Planning using a Hybrid HDR Applicator [Abstract]. 108(3), e484-e485.
  19. 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. Med Phys Mex Symp Med Phys, 47(12), 6113-6121.
  20. Hui Zhao, Adam Paxton, Vikren Sakar, Y Jessica Huang, Fan-Chi Frances Su, Christine Haacke, Prema Rassiah-Szegedi, Martin Szegedi, Bill Salter (2020). Prevention of radiation therapy treatment deviations by a novel combined biometric, radio-frequency identification, and surface imaging system. 2020(S1879-8500(20)), 30213-7.
  21. Prema Rassiah, Fan-Chi Frances Su, Y Jessica Huang, Dan Spitznagel, Virkren Sarkar, Martin Szegedi, Hui Zhao, Adam Paxton, Geoff Nelson, Bill Salter (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, 2020:10.1002(10.1002).
  22. Y Huang, F Su, X Li, H Zhao, G Nelson, M Szegedi, L Burt, D Gaffney, G Suneja, B Salter (2020). A Feasibility Study of MRI Guided Pre-Plan Using Advanced Gynecological Applicator Venezia [Abstract]. 47(6), E680-E681.
  23. V Sarkar, A Paxton, J Kunz, M Szegedi, G Nelson, P Rassiah-Szegedi, H Zhao, Y Huang, F Su, B Salter (2020). Validation of a Software Module to Verify the Fidelity of Arc Plan Delivery in Real Time [Abstract]. 47(6), E876.
  24. H Zhao, A Paxton, V Sarkar, Y Huang, F Su, G Stinnett, P Rassiah-Szegedi, M Szegedi, R Price, X Li, C Dial, J Kunz, G Nelson, B Salter (2020). Feasibility of Using Surface Guided Deep Inspiration Breath Hold (DIBH) in Conjunction with CBCT for Target Localization for Radiation Therapy [Abstract]. 47(6), E620.
  25. G Stinnett, G Nelson, R Price, H Zhao, A Paxton, V Sarkar, B Salter (2020). Impact of ICBCT Reconstruction On Cone Beam Acquisitions [Abstract]. 47(6), E625.
  26. X Li, F Su, Y Huang, G Stinnett, H Zhao, J Kunz, G Nelson, M Szegedi, B Salter (2020). Commissioning of Venezia Lunar Ovoid Applicator Using Electron Autoradiograph [Abstract]. 47(6), E722-E723.
  27. Hui Zhao, Adam Paxton (2020). Commissioning and Routine Quality Assurance of the Varian IDENTIFY™ System. In Surface Guided Radiation Therapy.
  28. Hui Zhao, Ned Williams, Matthew Poppe, Vikren Sarkar, Brian Wang, Prema Rassiah-Szegedi, Y Jessica Huang, Kristine Kokeny, David Gaffney, Bill Salter (2019). Comparison for surface guidance and target matching for image guided accelerated partial breast irradiation (APBI). Med Phys, 2019 Sep 11.
  29. Vikren Sarkar, Adam Paxton, Jeremy Kunz, Martin Szegedi, Geoff Nelson, Prema Rassiah-Szegedi, Hui Zhao, Y Jessica Huang, Frances Su, Bill Salter (2019). A systematic evaluation of the error detection abilities of a new diode transmission detector. J Appl Clin Med Phys, 2019 Aug, 1-11.
  30. Zhao H, Sarkar V, Wang B, Rassiah-Szegedi P, Szegedi M, Huang YJ, Huang L, Tward J, Salter B (2019). Calculation of delivered composite dose from Calypso tracking data for prostate cancer: and subsequent evaluation of resendable treatment interruption tolerance limits. J Appl Clin Med Phys, 2019 Aug(20(8)), 105-113.
  31. V Sarkar, A Paxton, J Kunz, M Szegedi, G Nelson, F Su, Y Huang, H Zhao, P Rassiah-Szegedi, B Salter (2019). A Systematic Evaluation of the Error Detection Abilities of a Novel Diode Transmission Detector [Abstract]. 46(6).
  32. J Kunz, V Sarkar, D Spitznagel, G Nelson, M Szegedi, A Paxton, Y Huang, F Su, H Zhao, P Rassiah-Szegedi, B Salter (2019). A Direct Comparison of Gamma Pass-Rates From Four Different Commercial Systems [Abstract]. 46(6), E608-E609.
  33. H Zhao, V Sarkar, A Paxton, Y Huang, P Rassiah-Szegedi, M Szegedi, F Su, G Nelson, B Salter (2019). Initial Phantom Evaluation of Varian Identify System SGRT Consistency and Accuracy [Abstract]. 46(6).
  34. JN Kunz, V Sarkar, A Paxton, D Spitznagel, G Nelson, M Szegedi, Y Huang, F Su, H Zhao, P Rassiah-Szegedi, BJ Salter (2019). Characterization of Dosimetric Predictions from Scandidos Anatomy [Abstract]. 46(6), E638-E639.
  35. P Rassiah-Szegedi, F Su, Y Huang, D Spitznagel, V Sarkar, M Szegedi, H Zhao, A Paxton, G Nelson, B Salter (2019). Utilization of Failure Mode Effect Analysis (FMEA) to Generate An Initial Plan Check Checklist [Abstract]. 46(6).
  36. Jeremy N Kunz, Y Jessica Huang, Fan-Chi F Su, Geoff Nelson, Hui Zhao, Martin Szegedi, Prema Rassiah, Bill J Salter (2019). Proof of Principle Study for an In-House Developed Automatic 2nd Check Program for HDR Brachytherapy Plans [Abstract]. 18(3).
  37. M Szegedi, A Paxton, V Sarkar, P Rassiah, H Zhao, G Nelson, F Su, J Huang, J Kunz, D Spitznagel, B Salter (2019). EP-1711 Discover Prostate SBRT or Validation of motion-tracked SBRT treatments with a transmission detector [Abstract]. 133, S921-S922.
  38. Hui Zhao, Adam Paxton, Vikren Sarkar, Jessica Huang, Bill Salter (2019). Introduction of a Biometric, RFID and Surface Monitoring System Application on SRS/SBRT [Abstract]. 11(3).
  39. 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, 2018 Dec(9(6)), 989-995.
  40. Huang YJ, Su FF, Gaffney DK, Kokeny KE, Zhao H, Rassiah-Szegedi P, Salter BJ, Poppe MM (2018). Skin dose estimation using virtual structures for Contura Multi-Lumen Balloon breast brachytherapy. Brachytherapy, 2018 Nov-Dec(17(6)), 956-965.
  41. M Szegedi, P Rassiah-Szegedi, V Sarkar, Y Huang, H Zhao, L Huang, A Paxton, F Su, G Nelson, B Salter (2018). Retrospective Seismic Strengthening of a LINAC Baseframe [Abstract]. 45(6), E310.
  42. H Zhao, V Sarkar, A Paxton, M Szegedi, P Rassiah-Szegedi, Y Huang, L Huang, F Su, G Nelson, B Salter (2018). Radiation Therapy Patient Setup Accuracy Comparison Between Surface Guidance and Tattoo [Abstract]. 45(6), E592-E593.
  43. Sarkar V, Paxton A, Szegedi MW, Zhao H, Huang L, Nelson G, Huang YJ, Su F, Rassiah-Szegedi P, Salter B (2018). An evaluation of the consistency of shifts reported by three different systems for non-coplanar treatments. J Radiosurg SBRT, 2018(5(4)), 323-330.
  44. H Zhao, Y Huang, V Sarkar, P Rassiah-Szegedi, F Su, M Szegedi, L Huang, A Paxton, B Salter (2017). Radiation Therapy Treatment Deviations Potentially Prevented by a Novel Combined Radio-Frequency Identification (RFID), Biometric and Surface Matching Technology [Abstract]. 44(6), 3204.
  45. V Sarkar, L Huang, A Paxton, M Szegedi, P Rassiah-Szegedi, H Zhao, Y Huang, V Pigrish, B Salter (2017). A Comparison of Conebeam CT-Derived and 4DCT-Derived Internal Target Volume for Lung Tumors [Abstract]. 44(6).
  46. V Pigrish, L Huang, A Paxton, V Sarkar, H Zhao, Y Huang, F Su, M Szegedi, P Rassiah-Szegedi, B Salter (2017). Comparison of Varian AS1000 and AS1200 EPID Panels for Portal Dosimetry (PD) with Millennium Standard (SD) and High Definition (HD) 120 MLCs [Abstract]. 44(6), 2886.
  47. P Rassiah-Szegedi, S Lloyd, F Su, L Huang, Y Huang, Y Hitchcock, H Zhao, M Szegedi, A Paxton, B Salter (2017). Treatment Delivery Fidelity for 2 Head and Neck Treatment Techniques [Abstract]. 44(6), 2919.
  48. V Pigrish, V Sarkar, L Huang, A Paxton, M Szegedi, P Rassiah-Szegedi, H Zhao, Y Huang, B Salter (2017). Comparison of Dynamic Conformal Arc Lung SBRT Plans Calculated Using Four Dose Calculation Algorithms [Abstract]. 44(6), 3053.
  49. Hui Zhao, Vikren Sarkar, Long Huang, Brian Wang, Prema Rassiah-Szegedi, Y Jessica Huang, Martin Szegedi, Victor Gonzalez, Bill Salter (2017). Preferred treatment position between supine and prone for pelvic radiation therapy; quantification of the intrafractional body motion component by 3D surface imaging system. Int J Canc Ther Oncol, 2017, Vol 5(No 1).
  50. M Szegedi, C Boehm, B Ager, V Sarkar, P Rassiah-Szegedi, H Zhao, L Huang, J Huang, A Paxton, F Su, J Tward, B Salter (2017). Analysis of prostate SBRT treatments using 3D transperineal ultrasound image guidance methods [Abstract]. 123, S882.
  51. Salter BJ, Szegedi M, Boehm C, Sarkar V, Rassiah-Szegedi P, Wang B, Zhao H, Huang J, Huang L, Kokeny K, Tward JD (2017). Comparison of 2 transabdominal ultrasound image guidance techniques for prostate and prostatic fossa radiation therapy. Pract Radiat Oncol, 7(2), e99-e107.
  52. H Zhao, V Sarkar, A Paxton, P RassiahSzegedi, Y Huang, M Szegedi, L Huang, F Su, B Salter (2016). Feasibility of Supraclavicular Field Treatment by Investigating Variation of Junction Position Between Breast Tangential and Supraclavicular Fields for Deep [Abstract]. 43, 3418.
  53. Zhao H, Wang B, Sarkar V, Rassiah-Szegedi P, Huang YJ, Szegedi M, Huang L, Gonzalez V, Salter B (2016). Comparison of surface matching and target matching for image-guided pelvic radiation therapy for both supine and prone patient positions. J Appl Clin Med Phys, 17(3), 5611.
  54. Sarkar V, Huang L, Huang YJ, Szegedi MW, Rassiah-Szegedi P, Zhao H, Salter BJ (2016). Head to head comparison of two commercial phantoms used for SRS QA. 2016(4(3)), 213-223.
  55. Huang YJ, Harrison A, Sarkar V, Rassiah-Szegedi P, Zhao H, Szegedi M, Huang L, Wilson B, Gaffney DK, Salter BJ (2016). Detection of late radiation damage on left atrial fibrosis using cardiac late gadolinium enhancement magnetic resonance imaging. Adv Radiat Oncol, 1(2), 106-114.
  56. Sarkar V, Huang L, Huang Y-HJ, Szegedi MW, Rassiah-Szegedi P, Zhao H, Hitchcock YJ, Kokeny KE, Wang B, Salter BJ (2016). Dosimetric evaluation of abdominal compression as a method to reduce the incidence of radiation-induced pneumonitis in lung SBRT treatment. J Radiosurg SBRT, 4(2), 125-32.
  57. Y Huang, J Tward, P RassiahSzegedi, H Zhao, V Sarkar, L Huang, M Szegedi, K Kokeny, B Salter (2015). Feasibility of MRI‐Based Preplan On Low Dose Rate Prostate Brachytherapy [Abstract]. 42, 3319.
  58. P RassiahSzegedi, M Szegedi, V Sarkar, H Zhao, Y Huang, L Huang, B Salter (2015). Characterization of Efficiency and Plan Quality for the FFF Beams On Various Anatomical Sites [Abstract]. 42, 3370.
  59. V Sarkar, L Huang, Y Huang, M Szegedi, P RassiahSzegedi, H Zhao, B Salter (2015). A Head to Head Comparison of Two Commercial Phantoms Used for SRS QA [Abstract]. 42, 3339.
  60. Sarkar V, Huang L, Huang Y, Szegedi M, Rassiah-Szegedi P, Zhao H, Salter B (2015). Head to head comparison of two commercial phantoms used for SRS QA [Abstract]. Med Phys, 42(6 part 12), 3339.
  61. BJ Salter, M Szegedi, J Tward, H Zhao, V Sarkar, P Rassiah-Szegedi, L Huang, J Huang (2015). 3D transperineal ultrasound image guidance methods for prostate SBRT radiotherapy treatment [Abstract]. 115, S460.
  62. Sarkar V, Huang L, Rassiah-Szegedi P, Zhao H, Huang J, Szegedi M, Salter BJ (2015). Planning for mARC treatments with the Eclipse treatment planning system. J Appl Clin Med Phys, 16(2), 5351.
  63. Sarkar V, Wang B, Zhao H, Lynch B, James JA, McCullough KT, Salter BJ (2015). Percent depth-dose distribution discrepancies from very small volume ion chambers. J Appl Clin Med Phys, 16(2), 5230.
  64. M Szegedi, H Zhao, P Rassiah, V Sarkar, J Huang, L Huang, J Tward, K Kokeny, BJ Salter (2015). Clinical comparison of 2D transabdominal and 3D transperineal ultrasound image guidance methods for prostate RT [Abstract]. 115, S494.
  65. Rassiah-Szegedi P, Szegedi M, Sarkar V, Streitmatter S, Huang YJ, Zhao H, Salter B (2014). Dosimetric impact of the 160 MLC on head and neck IMRT treatments. J Appl Clin Med Phys, 15(6), 4770.
  66. BJ Salter, V Sarkar, L Huang, P Rassiah, H Zhao, J Huang, M Szegedi, DK Gaffney (2014). Hybrid Modulated Arc Therapy (HMAT) on an Artiste Linac [Abstract]. 90(1), S941.
  67. Zhao H, Sarkar V, Rassiah-Szegedi P, Huang Y, Szegedi M, Huang L, Salter B (2014). Scanned Percent Depth Dose Curve Discrepancy for Photon Beams with Physical Wedge in place (Varian iX) Using Different Sensitive Volume Ion Chambers [Abstract]. Med Phys, 41(6), 357.
  68. Sarkar V, Wang B, Zhao H, Lynch B, James J, McCullough K, Rassiah-Szegedi P, Huang Y, Szegedi M, Huang L, Salter B (2014). PDD Discrepancies at Opposite Biases From Very Small Volume Ion Chambers When Using Water Scanners [Abstract]. Med Phys, 41(6), 548-9.
  69. Huang L, Sarkar V, Spiessens S, Rassiah-Szegedi P, Huang Y, Zhao H, Szegedi M, Salter B (2014). End to End Testing of a Prototype Eclipse Module for Planning Modulated Arc Therapy On the Siemens Platform [Abstract]. Med Phys, 41(6), 344.
  70. Y Jessica Huang, Christopher J Anker, Vikren Sarkar, Prema Rassiah-Szegedi, Hui Zhao, Martin Szegedi, Long Huang, Bill J Salter (2014). Skin Lesion Treatment Using High-Dose-Rate Brachytherapy with HAM Applicator: EQD2Gy Comparison with Electron Beam Radiotherapy [Abstract]. 13, S45-S46.
  71. Huang J, Anker C, Sarkar V, Rassiah-Szegedi P, Zhao H, Szegedi M, Huang L, Salter BJ (2014). Skin Lesion Treatment Using High-Dose-Rate Brachytherapy with HAM Applicator: EQD2Gy Comparison with Electron Beam Radiotherapy [Abstract]. Brachytherapy, 13(Suppl 1), S45-S46.
  72. Zhao H, Wang B, Rassiah-Szegedi P, Huang Y, Sarkar V, Szegedi M, Salter BJ (2013). Scanned Percent Depth Dose Curve Discrepancy for Varian TrueBeam Flattening-Filter-Free Photon Beams Using Very Small Sensitive Volume Ion Chamber [Abstract]. American Association of Physicists in Medicine Annual Meeting, Indianapolis, IN.
  73. Wang B, Sarkar V, Rassiah-Szegedi P, Zhao H, Huang Y, Szegedi M, Shrieve T, Tward JT, Salter BJ (2013). Direct Clinical Comparison of 2D Versus 3D Transabdominal Ultrasound Image Guidance Methods for Prostate Radiotherapy Treatment [Abstract]. American Association of Physicists in Medicine Annual Meeting, Indianapolis, IN.
  74. Salter BJ, Szegedi M, Wang B, Rassiah-Szegedi P, Zhao H, Huang Y, Sarkar V, Tward JT (2013). Presentation of a New Intrafractional Prostate Monitoring Method with Ultrasound Image Guidance During Radiotherapy Treatment [Abstract]. American Association of Physicists in Medicine Annual Meeting, Indianapolis, IN.
  75. Jacob Hinkle, Brian Wang, Yu-Huei Huang, Hui Zhao, Sarang Joshi, BJ Salter (2012). Tissue characterization using a phantom to validate four-dimensional tissue deformation [Abstract]. 39, 10.
  76. Szegedi M, Rassiah-Szegedi P, Sarkar V, Hinkle J, Wang B, Huang YH, Zhao H, Joshi S, Salter BJ (2012). Tissue characterization using a phantom to validate four-dimensional tissue deformation. Med Phys, 39(10), 6065-70.
  77. H Zhao, B Wang, P RassiahSzegedi, V Sarkar, Y Huang, M Szegedi, V Gonzalez, B Salter (2012). Comparison of CT‐On‐Rails and a 3D Surface Imaging System for Image Guided Pelvic Radiation Therapy for Both Supine and Prone Patient Positions [Abstract]. 39, 3666.
  78. Chang AJ, Zhao H, Wahab SH, Moore K, Taylor M, Zoberi I, Powell SN, Klein EE (2012). Video surface image guidance for external beam partial breast irradiation. Pract Radiat Oncol, 2(2), 97-105.
  79. Sarkar V, Wang B, Rassiah-Szegedi P, Zhao H, Huang YJ, Szegedi MW, Hitchcock YJ, Kokeny KE, Salter BJ (2012). Dosimetric Implications of Abdominal Compression For Lung SBRT Treatment [Abstract]. American Society for Radiation Oncology Annual Meeting, Boston, MA.
  80. Zhao H, Wang B, Rassiah-Szegedi P, Sarkar V, Huang Y, Szegedi M, Gonzalez V, Salter BJ (2012). Comparison of CT-On-Rails and a 3D Surface Imaging System for Image Guided Pelvic Radiation Therapy for Both Supine and Prone Patient Positions [Abstract]. American Association of Physicists in Medicine Annual Meeting, Charlotte, NC.
  81. Wang B, Sarkar V, Busselberg C, Rassiah-Szegedi P, Zhao H, Huang Y, Szegedi M, Salter BJ (2012). A Prototype Program for Analyzing 4D Image Guidance Shifts for Lung SBRT [Abstract]. American Association of Physicists in Medicine Annual Meeting, Charlotte, NC.
  82. Szegedi M, Sarkar V, Rassiah-Szegedi P, Wang B, Huang YJ, Zhao H, Salter B (2012). 4D CT image acquisition errors in SBRT of liver identified using correlation. J Appl Clin Med Phys, 13(1), 3564.
  83. Huang Y, Rassiah-Szegedi P, Wang B, Zhao H, Sarkar V, Szegedi M, Gaffney D, Salter BJ (2011). The Feasibility of Image-Guided MRI Pre-plan on HDR Syed Implants: A Case Study [Abstract]. American Society for Radiation Oncology Annual Meeting, Miami, FL.
  84. Rassiah-Szegedi P, Wang B, Szegedi M, Tward J, Zhao H, Huang YJ, Sarkar V, Shrieve D, Salter B (2011). Individualized margins for prostate patients using a wireless localization and tracking system. J Appl Clin Med Phys, 12(3), 3516.
  85. Wang B, Sadinski M, Sarkar V, Ruhnau S, Szegedi M, Anker C, Rassiah-Szegedi P, Zhao H, Huang Y, Salter BJ (2011). A Case Study of More Accurate Phase Re-Assignment for 4DCT Images [Abstract]. American Association of Physicists in Medicine Annual Meeting, Vancouver, Canada.
  86. Zhao H, Wang B, Rassiah-Szegedi P, Huang JY, Sarkar V, Szegedi M, Sadinski M, Kokeny KE, Poppe M, Salter BJ (2011). Comparison of CT-on-rails and a 3D surface imaging system for image guided partial breast radiation therapy [Abstract]. American Association of Physicists in Medicine Annual Meeting, Vancouver, Canada.
  87. Wang B, Rassiah-Szegedi P, Zhao H, Huang YJ, Sarkar V, Szegedi M, Kokeny KE, Anker CJ, Shrieve DC, Salter BJ (2011). Initial experience and clinical comparison of two image guidance methods for SBRT treatment: 4DCT versus respiratory-triggered imaging. J Appl Clin Med Phys, 12(3), 3429.
  88. M Szegedi, P RassiahSzegedi, Y Huang, J Tward, H Zhao, D Shrieve, B Salter (2010). Post Implant Dosimetry for I 125 and Pd 103 Anchor and Non Anchor Seeds [Abstract]. 37, 3201.
  89. Salter BJ, Sarkar V, Wang B, Szegedi MW, Rassiah-Szegedi P, Zhao H, Huang YJ (2010). Presentation And Evaluation Of A Novel, Combined-mode Intensity-modulated-arc / Static-gantry-IMRT Planning And Delivery Method [Abstract]. American Society for Radiation Oncology Annual Meeting, San Diego, CA.
  90. Wang B, Rassiah-Szegedi P, Zhao H, Huang YJ, Sarkar V, Szegedi M, Jensen RL, Shrieve DC, Salter BJ (2010). Evaluation of Intrafractional Motion for Frameless Intracranial Treatments [Abstract]. American Society for Radiation Oncology Annual Meeting, San Diego, CA.
  91. Rassiah P, Sarkar V, Wang B, Zhao H, Huang YJ, Szegedi M, Salter BJ (2010). Treatment Planning Evaluation of a Novel Combined-Mode Intensity Modulated Arc / Static Gantry IMRT Delivery Approach for Hypo-Fractionated Treatment (SBRT/SRS) [Abstract]. American Society for Radiation Oncology Annual Meeting, San Diego, CA.
  92. Sarkar V, Gonzalez VJ, Hinkle J, Wang B, Rassiah-Szegedi P, Zhao H, Huang YJ, Szegedi MW, Joshi S, Salter BJ (2010). Dosimetric Evaluation of an Alternative to 6 Degree of Freedom Robotic Couch Correction [Abstract]. American Society for Radiation Oncology Annual Meeting, San Diego, CA.
  93. Sarkar V, Rassiah-Szegedi P, Szegedi M, Wang B, Zhao H, Huang Y, Shukla H, Salter BJ (2010). Rotational IMRT Delivery Using a Siemens Artiste in Flattening-Filter-Free, High Dose-Rate Mode [Abstract]. American Association of Physicists in Medicine Annual Meeting, Philadephia, PA.
  94. Sarkar V, Wang B, Rassiah-Szegedi P, Szegedi M, Huang, Y, Zhao H, Salter BJ (2010). Impact of varying the number of projection images used in Digital Tomosynthesis on the effective slice thickness of the Tomograms. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Philadelphia, PA.
  95. Zhao H, Wang B, Rassiah-Szegedi P, Huang Y, Sarkar V, Szegedi M, Salter BJ (2010). Comparison of intrafractional motion between supine and prone patient positions during radiation therapy of pelvic malignancies using a 3D surface imaging system. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Philadelphia, PA.
  96. Salter BJ, Sarkar V, Ruhnau S, Rassiah-Szegedi P, Huang Y, Zhao H, Wang B, Szegedi M (2010). Increasing the delivery efficiency of IMRT DAO-based plans through degment reordering. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Philadelphia, PA.
  97. Rassiah-Szegedi P, Szegedi M, Sarkar V, Zhao H, Wang B, Huang Y, Salter BJ (2010). Accuracy of the collapsed convolution superposition Aagorithm without a flattening filter. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Philadelphia, PA.
  98. Rassiah-Szegedi P, Szegedi M, Wang B, Sarkar V, Zhao H, Huang J, Salter BJ (2009). Characterization of dosimetry and efficiency with the Unflat 6 MV Beam for 160 leaf IMRT. [Abstract]. 10th Biennial European Society for Therapeutic Radiology and Oncology (ESTRO) Conference on Physics and Radiation Technology for Clinical Radiotherapy, Maastricht, The Netherlands.
  99. Zhao H, Rassiah-Szegedi P, Wang B, Huang YJ, Szegedi M, Salter BJ (2009). Calculation of delivered dose from Calypso tracking data: and subsequent evaluation of reasonable treatment interruption Tolerance Limits [Abstract]. American Association of Physicists in Medicine Annual Meeting, Anaheim, CA.
  100. Wang B, Kokeny KE, Hitchcock YJ, Rassiah-Szegedi P, Zhao H, Huang Y, Salter BJ (2009). Quantification of tumor volume aliasing on Helical CT Scans for lung Stereotactic Body Radiation Therapy (SBRT) patients. [Abstract]. American Society for Therapeutic Radiology and Oncology Annual Meeting, Chicago, IL.
  101. Zhao H, Wang B, Rassiah-Szegedi P, Szegedi M, Huang YJ, Salter BJ (2009). Quantification of a baseline shift of tumor motion envelope for Stereotactic Body Radiation Therapy (SBRT) of lung. [Abstract]. American Society for Therapeutic Radiology and Oncology Annual Meeting, Chicago, IL.
  102. Zhao H, Rassiah-Szegedi P, Wang B, Romesberg M, Salter B (2009). Evaluation of a novel heterogeneity inclusive pencil-beam-based dose calculation by Monte Carlo calculation and by measurement in anthropomorphic phantom. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Anaheim, CA.
  103. Rassiah-Szegedi P, Szegedi M, Cochran D, Zhao H, Huang J, Wang B, Salter BJ (2009). The dosimetric impact of the new 160MLC on head and neck IMRT treatments. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Anaheim, CA.
  104. Rassiah-Szegedi P, Wang B, Tward J, Szegedi M, Zhao H, Salter BJ (2009). Dosimetric feasibility of patient-specific margins for prostate patients using a wireless localization and tracking system. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Anaheim, CA.
  105. Wang B, Rassiah-Szegedi P, Zhao H, Salter BJ (2009). Experience and comparison of two image guidance methods for SBRT treatment: 4D CT and ExacTrac respiratory-triggered imaging. [Abstract]. American Association of Physicists in Medicine Annual Meeting 2009, Anaheim, CA.
  106. Salter BJ, Wang B, Zhao H, Rassiah-Szegedi P (2009). Evaluation of ultrasound image guidance accuracy for prostate by comparison to Calypso body GPS data. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Anaheim, CA.
  107. Salter BJ, Wang B, Zhao H, Rassiah-Szegedi P, Szegedi M (2009). A novel workflow for SBRT image guidance using 4D CT method. [Abstract]. American Association of Physicists in Medicine Annual Meeting, Anaheim, CA.
  108. Szegedi M, Huang Y, Wang B, Rassiah-Szegedi P, Zhao H, Salter BJ (2009). Imaging moving lung tumors using Linac-based MV Cone Beam CT (CBCT): Does the aliasing introduced by the slow-scanning approach impact Image Guidance accuracy? [Abstract]. American Society for Therapeutic Radiology and Oncology Annual Meeting 2009, Chicago, IL.
  109. Zhao H, Drzymala R, Klein E, Smyth M, Mansur D (2008). Peripheral Dose Investigation of a Corpus Collosotomy by Gamma Knife, Model C [Abstract]. American Association of Physicists in Medicine Annual Meeting, Houston, TX.
  110. Jose L Garcia Ramirez, Jacqueline Esthappan, David Mansur, Hui Zhao (2008). Three-dimensional CT treatments pre-planning of I-125 COMS eye plaque implant brachytherapy [Abstract]. 7(2), 162.
  111. Jose L Garcia Ramirez, Jacqueline Esthappan, David Mansur, Hui Zhao (2008). Three-dimensional CT treatments pre-planning of I-125 COMS eye plaque implant brachytherapy [Abstract]. 7(2), 162.
  112. Zhao H, Cuneo BF, Strasburger JF, Huhta JC, Gotteiner NL, Wakai RT (2008). Electrophysiological characteristics of fetal atrioventricular block. J Am Coll Cardiol, 51(1), 77-84.
  113. Almony A, Breit S, Zhao H, Garcia-Ramirez J, Mansur DB, Harbour JW (2008). Tilting of radioactive plaques after initial accurate placement for treatment of uveal melanoma. Arch Ophthalmol, 126(1), 65-70.
  114. Cuneo BF, Zhao H, Strasburger JF, Ovadia M, Huhta JC, Wakai RT (2007). Atrial and ventricular rate response and patterns of heart rate acceleration during maternal-fetal terbutaline treatment of fetal complete heart block. Am J Cardiol, 100(4), 661-5.
  115. Zhao H, Chen M, Van Veen BD, Strasburger JF, Wakai RT (2007). Simultaneous fetal magnetocardiography and ultrasound/Doppler imaging. IEEE Trans Biomed Eng, 54(6 Pt 2), 1167-71.
  116. Zhao H, Strasburger JF, Cuneo BF, Wakai RT (2006). Fetal cardiac repolarization abnormalities. Am J Cardiol, 98(4), 491-6.
  117. de Araujo DB, Barros AK, Estombelo-Montesco C, Zhao H, da Silva Filho AC, Baffa O, Wakai R, Ohnishi N (2005). Fetal source extraction from magnetocardiographic recordings by dependent component analysis. Phys Med Biol, 50(19), 4457-64.
  118. B Cuneo, J Strasburger, H Zhao, R Wakai (2005). Update on diagnosis and treatment of fetal arrhythmias [Abstract]. 26(4), 326.
  119. Bettina F Cuneo, Janette F Strasburger, Hui Zhao, James C Huhta, Nina L Gotteiner, Ronald T Wakai (2005). Electrophysiologic patterns of fetal heart rate augmentation with terbutaline in complete AV block [Abstract]. 2(5), S45.
  120. Wakai R, Zhao H, Strasburger J (2005). Combined fetal ultrasonography and magnetocardiography. Conf Proc IEEE Eng Med Biol Soc, 5, 5585-6.
  121. Bettina Cuneo, Hui Zhao, Janette Strasburger, Marc Ovadia, Ronald Wakai (2004). Heart rate patterns and arrhymthias in fetal AV block: A magnetocardiographic study [Abstract]. 191(6), S161.
  122. Cuneo BF, Ovadia M, Strasburger JF, Zhao H, Petropulos T, Schneider J, Wakai RT (2003). Prenatal diagnosis and in utero treatment of torsades de pointes associated with congenital long QT syndrome. Am J Cardiol, 91(11), 1395-8.
  123. de Araujo D, Barros AK, Baffa O, Wakai R, Zhao H, Ohnishi N (2003). Fetal magnetocardiographic source separation using the poles of the autocorrelation function. Proceedings of the 4th International Symposium on Independent Component Analysis and Blind Source Separation, 2003, 833-6.
  124. H Zhao, RT Wakai, J Strausburger, N Gotteiner, B Cuneo (2002). Assessment of fetal heart rhythm and rate in complete congenital heart block by fetal magnetocardiography. Proceedings of the 13th International Conference on Biomagnetism 2002, 2002.
  125. Zhao H, Wakai RT (2002). Simultaneity of foetal heart rate acceleration and foetal trunk movement determined by foetal magnetocardiogram actocardiography. Phys Med Biol, 47(5), 839-46.
  126. Wakai RT, Chen M, Zhao H, Van Veen B, Strasburger J (2001). Assessment of fetal rhythm at 20 weeks’ gestation by fetal magnetocardiography. Biomed Tech (Berl), 46(Suppl 2), 188-90.

Global Impact

Education History

Type School Degree
Undergraduate University of Science and Technology of China
Modern Physics		 B.S.