Martin W. Szegedi

Martin W. Szegedi, PhD, MSE, MPM

Languages spoken: English, German

Academic Information

Departments Primary - Radiation Oncology

Board Certification

  • American Board of Radiology (Medical Physics)

Research Interests

  • Motion Management in Radiation Therapy
  • Stereotactic Radiosurgery (SRS)
  • Stereotactic Body Radiation Therapy (SBRT)
  • Image Guided Radiation Therapy (IGRT)
  • 4D Motion Management
  • 4D Motion-Based Therapeutic Treatment Approaches (CToR)

Martin Szegedi, 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. Szegedi earned an MS in Medical Engineering from the TFH Berlin, Germany and an MPM from Sydney University, Australia. He received his PhD in Medical Physics from the University of Texas Health Sciences Center at San Antonio, Texas. Dr. Szegedi is an active member of the American Association of Physicists in Medicine (AAPM), European Society of Radiotherapy and Oncology (ESTRO) and the American Society for Therapeutic Radiology and Oncology (ASTRO). Dr. Szegedi's clinical and research interests include non-radiation based image guided radiotherapy (IGRT), radiosurgery (SRS), stereotactic body radiation therapy (SBRT) and 4D motion based therapeutic treatment approaches.

Education History

Doctoral Training University of Texas Health Science Center at San Antonio
 PhD
Graduate Training University of Sydney
 MS
Undergraduate Coventry University
 BSc (Hons)
Graduate Training Technische Fachhochschule Berlin
 MS

Selected Publications

Journal Article

  1. Nelson G, Sarkar V, Szegedi M, et al (2024). Validation of Acuros for total body irradiation at extended distance. J Appl Clin Med Phys. 2024;e14468. https://doi.org/10.1002/acm2.14468. J Appl Clin Med Phys.
  2. Hui Zhao, Christine Haacke, Vikren Sarkar, Adam Paxton, Y Jessica Huang, Martin Szegedi, Ryan G Price, Fan-Chi Frances Su, Prema Rassiah-Szegedi, Bill Salter (2023). Initial Clinical Evaluation of a Novel Combined Biometric, Radio-frequency Identification, and Surface Imaging System. Phys Med, 114, 1-8.
  3. Hui Zhao, Vikren Sarkar, Adam Paxton, Y Jessica Huang, Christine Haacke, Ryan G Price, Fan-Chi Frances Su, Martin Szegedi, Prema Rassiah, Bill Salter (2023). Technical note: Clinical evaluation of a newly released surface-guided radiation therapy system on DIBH for left breast radiation therapy. Medical Physics, 23, 1-9.
  4. Sarkar, V, Paxton, A, Su, F, Ryan Price, Geoff Nelson, Martin Szegedi, Sara St James, Bill J Salter (2023). An evaluation of the use of DirectSPR images for proton planning in the RayStation treatment planning software. J Appl Clin Med Phys, 24(5), e13900.
  5. Hui Zhao, Martin Szegedi, Bill Salter (2022). Comprehensive Clinical Evaluation of a Newly Released Surface-Guided Radiation Therapy (SGRT) system on Deep Inspiration Breath Hold (DIBH) for Left Breast Radiation Therapy. Pract Radiat Oncol.
  6. Hui Zhao, Adam Paxton, Vikren Sarkar, Ryan Price, Jessica Huang, Fan-Chi Frances Su, Xing li, Prema Rassiah-Szegedi, 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.
  7. Vikren Sarkar, Shane Lloyd, Adam Paxton, Christian Dial, Prema Rassiah, Martin W Szegedi, Ying J Hitchcock, Bill J Salter (2021). Evaluation of the dosimetric impact of changes in shoulder position on target coverage for spine SBRT to metastases in the lower cervical spine region. J Radiosurg SBRT.
  8. M Szegedi, V Sarkar, A Paxton, P Rassiah, B Salter (2021). Seismic reinforcement of a linac installation. J Appl Clin Med Phys, 22(4), 166-171.
  9. Paxton, A, Sarkar, V, Kunz, J, Szegedi, M, Zhao, H, Su, Huang, JY, Nelson, G, Rassiah, P, Su, F, and Salter, BJ (2020). Evaluation of the effects of implementing a diode transmission device into the clinical workflow. Phys Med.
  10. Nelson, G, Paxton, A, Kunz, J, Huang, J, Szegedi, M, Sarkar, V and Salter, B (2020). FMEA occurrence values for four failure modes occurring using look‐up tables for dose calculations. J Appl Clin Med Phys.
  11. Szegedi, M, Boehm, C, Paxton, A, RassiahSzegedi, P, Sarkar, V, Zhao, H, Su, F, Kokeny, KE, Lloyd, S, Tward, J and Salter, BJ (2020). Comparison of transperineal ultrasound image guidance technique to transabdominal technique for prostate radiation therapy. Med Phys, 108(5).
  12. Hui Zhao, Adam Paxton, Vikren Sarkar, 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, Radiofrequency Identification, and Surface Imaging System. Pract Radiat Oncol, 10(5).
  13. Prema Rassiah, FanChi Frances Su, Y Jessica Huang, Dan Spitznagel, Vikren Sarkar, Martin W Szegedi, Hui Zhao, Adam B Paxton, Geoff Nelson, Bill J 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, 21(8), 83-91.
  14. Sarkar, V, Szegedi, M, Paxton, A, Nelson, G, RassiahSzegedi, P, Reddy, CB, Tao, R, Hitchcock, YJ, Kokeny, KE and Salter, BJ (2020). Preliminary clinical experience with Calypso anchored beacons for tumor tracking in lung SBRT. Med Phys, 47, 4407-4415.
  15. Vikren Sarkar, Adam Paxton, Jeremy Kunz, Martin Szegedi, Geoff Nelson, Prema RassiahSzegedi, Hui Zhao, Y Jessica Huang, Frances Su, Bill J Salter (Sept 2019). A Systematic Evaluation of the Error Detection Abilities of a New Diode Transmission Detector. J Appl Clin Med Phys, 20(9), 105-113.
  16. Hui Zhao, Vikren Sarkar, Brian Wang, Prema RassiahSzegedi, Martin Szegedi, Y Jessica Huang, Long Huang, Jonathan Tward, Bill Salter (2019). Calculation of delivered composite dose from Calypso tracking data for prostate cancer: And subsequent evaluation of reasonable treatment interruption tolerance limits. J Appl Clin Med Phys, 20(8), 1-9.
  17. Vikren Sarkar, Adam Paxton, Martin W Szegedi, Hui Zhao, Long Huang, Geoff Nelson, Yu-Huei Jessica Huang, Fanchi Su, Prema Rassiah-Szegedi, Bill J Salter (2018). An evaluation of the consistency of shifts reported by three different systems for non-coplanar treatments. J Radiosurg SBRT, 5(4), 323-330.
  18. Pannucci, C J, Cyr, A J, Moores, N G, Young, J B and Szegedi, M 2017 (07/07/2017). A Ballistics Examination of Firearm Injuries Involving Breast Implants. J Forensic Sci, 63(2), 571-576.
  19. H Zhao, V Sarkar, L Huang, B Wang, P Rassiah, YJ Huang, M Szegedi, V Gonzalez, B 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. 5(1), 518.
  20. 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. (Read full article)
  21. 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. J Radiosurg SBRT, 4((3)), 213-223.
  22. 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. (Read full article)
  23. Sarkar V, Huang L, Huang YJ, 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), 125-132.
  24. Huang, YJ, Harrison, A, Sarkar, V, Rassiah-Szegedi, P, Zhao, H, Szegedi, M, Huang, L, Wilson, B, Gaffney, D, Salter, B (April 2016). Detection of late radiation damage on left atrial fibrosis using cardiac late gadolinium enhancement magnetic resonance imaging. Adv Radiat Oncol, 1(2), 104-106.
  25. 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.
  26. 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. (Read full article)
  27. Y Jessica Huang, Christopher J Anker, Vikren Sarkar, Prema Rassiah-Szegedi, Hui Zhao, Martin Szegedi, Long Huang, Bill J Salter (March 2014). Skin Lesion Treatment Using High-Dose-Rate Brachytherapy with HAM Applicator: EQD2Gy Comparison with Electron Beam Radiotherapy. Brachytherapy. Brachytherapy.
  28. Szegedi M, Hinkle J, Rassiah P, Sarkar V, Wang B, Joshi S, Salter B (2013). Four-dimensional tissue deformation reconstruction (4D TDR) validation using a real tissue phantom. J Appl Clin Med Phys, 14(1), 4012. (Read full article)
  29. 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. (Read full article)
  30. Hinkle J, Szegedi M, Wang B, Salter B, Joshi S (2012). 4D CT image reconstruction with diffeomorphic motion model. Med Image Anal, 16(6), 1307-16. (Read full article)
  31. Yaxi Liu, Fan-Chi Su, Martin Szegedi, Lan Lin, Chengyu Shi, Niko Papanikolaou (2012). A phantom-based evaluation of a real-time tracking micro MLC delivery. Int J Biomed Eng Technol, 8(2-3).
  32. 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. (Read full article)
  33. 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), 256-267.
  34. 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. (Read full article)
  35. Salter BJ, Sarkar V, Wang B, Shukla H, Szegedi M, Rassiah-Szegedi P (2011). Rotational IMRT delivery using a digital linear accelerator in very high dose rate 'burst mode'. Phys Med Biol, 56(7), 1931-46. (Read full article)
  36. Szegedi M, Rassiah-Szegedi P, Fullerton G, Wang B, Salter B (2010). A proto-type design of a real-tissue phantom for the validation of deformation algorithms and 4D dose calculations. Phys Med Biol, 55(13), 3685-99. (Read full article)
  37. Liu Y, Su F, Szegedi M, Lin L, Shi C, Papanikolaou N (2009). A phantom-based evaluation of a real-time tracking micro MLC delivery. J Appl Clin Med Phys.
  38. Salter BJ, Wang B, Szegedi MW, Rassiah-Szegedi P, Shrieve DC, Cheng R, Fuss M (2008). Evaluation of alignment error due to a speed artifact in stereotactic ultrasound image guidance. Phys Med Biol, 53(23), N437-45. (Read full article)
  39. Salter BJ, Wang B, Szegedi M, Tward JD, Shrieve DC (2008). Prostate Displacement during and after Transabdominal Ultrasound (US) Guidance, Monitored by a Real-time Tracking System. Int J Radiat Oncol Biol Phys, 72(1), S146-7.
  40. Rassiah-Szegedi P, Fuss M, Sheikh-Bagheri D, Szegedi M, Stathakis S, Lancaster J, Papanikolaou N, Salter B (2007). Dosimetric evaluation of a Monte Carlo IMRT treatment planning system incorporating the MIMiC. Phys Med Biol, 52(23), 6931-41. (Read full article)

Abstract

  1. 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), E484-485.
  2. 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).
  3. 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).
  4. 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).
  5. 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] AAPM 2020   [Abstract]. 47(6).
  6. V Sarkar, M Szegedi A Paxton, G Nelson, P Rassiah-Szegedi, C Reddy, R Tao, Y Hitchkock, K Kokeny, B Salter (2019). Initial Clinical Experience with Using Calypso Anchored Beacons for Tumor Tracking in Lung SBRT [Abstract]. 46(6), E332.
  7. V Sarkar, A Paxton, J Kunz, M Szegedi, G Nelson, F Su, Y Huang, H Zaho, P Rassiah-Szegedi, B Salter (2019). A Systematic Evaluation of the Error Detection Abilities of a Novel Diode Transmission Detector [Abstract]. 46(6), E176.
  8. P Rassiah, F Su, J 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), E531.
  9. A Paxton, V Sarkar, J Kunz, M Szegedi, G Nelson, J Huang, B Salter (2019). Characterization of the Beam Perturbations and Effects On IMRT Delivery of a Diode Transmission Detector [Abstract]. 46(6), E320-321.
  10. J Kunz, V Sarkar, D Spitznagel, G Nelson, M Szegedi, A Paxton, J Huang, F Su, H Zhao, P Rassiah, B Salter (2019). A direct comparison of gamma pass-rates from four different commercial systems. [Abstract]. 46(6).
  11. J Kunz, V Sarkar, A Paxton, D Spitznagel, G Nelson, M Szegedi, J Huang, F Su, H Zhao, P Rassiah, B Salter (2019). Characterization of Dosimetric Predictions from Scandidos Anatomy. [Abstract]. 46(6), E638-639.
  12. H Zhao, V Sarkar, A Paxton, J Huang, P Rassiah, M Szegedi, F Su, G Nelson, B Salter (2019). Initial Phantom Evaluation of Varian Identify System SGRT Consistency and Accuracy [Abstract]. 46(6), E166-167.
  13. J Kunz, J Huang, F Su, G Nelson, H Zhao, M Szegedi, P Rassiah, B Salter (2019). Proof of Principle Study for an In-House Developed Automatic 2nd Check Program for HDR Brachytherapy Plans [Abstract]. 18(3), S111-112.
  14. 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, S921-922.
  15. M Huang, V Sarkar, A Paxton, H Zhao, J Huang, M Szegedi, P Rassiah-Szegedi, F Su, G Nelson, B Salter (2018). A study on true dose coverage of Lung SBRT treatment based on ITV approach [Abstract]. 45(6).
  16. P Rassiah-Szegedi, M Szegedi, V Sarkar, S Lloyd, F Su, Y Hitchcock, M Huang, B Salter (2018). Evaluation of Head and Neck Immobilization Device with and Without Shoulder Suppressor [Abstract]. 45(6), E253.
  17. V Sarkar, G Nelson, A Paxton, S Lloyd, M Huang, F Su, M Szegedi, B Salter (2018). On the Equivalence of Mean CT Scans Used for Dosimetric Planning [Abstract]. 45(6), E613.
  18. H Zhao, V Sarkar, A Paxton, M Szegedi P Rassiah-Szegedi, J Huang, M Huang, F Su, G Nelson, B Salter (2018). Radiation Therapy Patient Setup Accuracy Comparison Between Surface Guidance and Tattoo [Abstract]. 45(6), E592-593.
  19. M Szegedi, P Rassiah-Szegedi, V Sarkar, Y Huang, H Zaho, M Huang, A Paxton, F Su, G Nelson, B Salter (2018). Retrospective Seismic Strengthening of a LINAC Baseframe [Abstract]. 45(6), E310.
  20. B Ager C Boehm M Szegedi D Shrieve B Salter J Tward (2017). Acute Toxicity with Transperineal Ultrasound-Guided Prostate Stereotactic Body Radiotherapy [Abstract].
  21. H Zhao, J Huang, M Szegedi, V Sarkar, F Su, S Lloyd, Y Hitchcock, R Tao, K Kokeny, D Cannon, B Salter (2017). Evaluation of a novel combined Radio-Frequency Identification (RFID), Biometric and Surface Matching technology for Improvement of Safety and Efficiency of patient setup and treatment [Abstract].
  22. P Rassiah, S Lloyd, F Su, M Huang, J Huang, Y Hitchcock, H Zhao, M Szegedi, A Paxton, B Salter (2017). Treatment Delivery Fidelity for 2 Head and Neck Treatment Techniques: SU-I-GPD-T-396 [Abstract]. 44(6).
  23. V Pigrish, M Huang, A Paxton, V Sarkar, H Zhao, J Huang, F Su, M Szegedi, PRassiah, 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: SU-I-GPD-T-253 [Abstract]. 44(6).
  24. Hui Zhao, YJessica Huang, Vikren Sarkar, Prema Rassiah-Szegedi, Frances Su, Martin Szegedi, Long Huang, Adam Paxton, Bill JSalter (2017). Radiation therapy treatment deviations potentially prevented by a novel combined radio-frequency identification (RFID), biometric and surface matching technology: WE-RAM1-GePD [Abstract]. 44(6).
  25. Vikren Sarkar, Long Huang, Adam Paxton, Martin Szegedi, Prema Rassiah-Szegedi, Hui Zhao, YJessica Huang, Vadim Pigrish, Bill JSalter (2017). A Comparison of Conebeam CT-Derived and 4DCT-Derived Internal Target Volume for Lung Tumors: SU-H3-GePD-J (A)-05 [Abstract]. 44(6).
  26. Vadim Pigrish, Vikren Sarkar, Long Huang, Adam Paxton, Martin Szegedi, Prema Rassiah-Szegedi, Hui Zhao, YJessica Huang, Bill JSalter (2017). Comparison of Dynamic Conformal Arc Lung SBRT Plans Calculated Using Four Dose Calculation Algorithms: MO-L-GePD-T-02 [Abstract]. 44(6).
  27. 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.
  28. H Zhao, V Sarkar, A Paxton, P RassiahSzegedi, Y Huang, M Szegedi, L Huang, F Su, B Salter (2016). SU‐F‐J‐55: Feasibility of Supraclavicular Field Treatment by Investigating Variation of Junction Position Between Breast Tangential and Supraclavicular Fields for Deep Inspiration Breath Hold (DIBH) Left Breast Radiation. [Abstract]. 43(6), 3418.
  29. P RassiahSzegedi, M Szegedi, V Sarkar, H Zhao, Y Huang, L Huang, B Salter (2015). SU‐E‐T‐166: Characterization of Efficiency and Plan Quality for the FFF Beams On Various Anatomical Sites [Abstract]. 42(6), 3370.
  30. Y Huang, J Tward, P RassiahSzegedi, H Zhao, V Sarkar, L Huang, M Szegedi, K Kokeny, B Salter (2015). SU‐E‐J‐232: Feasibility of MRI‐Based Preplan On Low Dose Rate Prostate Brachytherapy [Abstract]. 42(6), 3319.
  31. V Sarkar, L Huang, Y Huang, M Szegedi, P Rassiah-Szegedi, H Zhao, B Salter (2015). A Head to Head Comparison of Two Commercial Phantoms Used for SRS QA: SU-ET-38. [Abstract]. 42(6).
  32. M Szegedi, H Zhao, P Rassiah, V Sarkar, J Huang, L Huang, J Tward, K Kokeny, BJ Salter (2015). PO-0943: Clinical comparison of 2D transabdominal and 3D transperineal ultrasound image guidance methods for prostate RT.  [Abstract]. ESTRO 2015, 115, 494.
  33. BJ Salter, M Szegedi, J Tward, H Zhao, V Sarkar, P Rassiah, L Huang, J Huang (2015). PO-0895: 3D transperineal ultrasound image guidance methods for prostate SBRT radiotherapy treatment [Abstract]. ESTRO 2015, 115, S460.
  34. BJ Salter, V Sarkar, L Huang, P Rassiah, H Zhao, J Huang, M Szegedi, DK Gaffney (2014). BJ Salter, V Sarkar, L Huang, P Rassiah, H Zhao, J Huang, M Szegedi, DK Gaffney. Hybrid Modulated Arc Therapy (HMAT) on an Artiste Linac. 2014. International Journal of Radiation Oncology Biology Physics. 90(1), S941 [Abstract]. 90(1), 941.
  35. L Huang, V Sarkar, S Spiessens, P RassiahSzegedi, Y Huang, H Zhao, M Szegedi, B Salter (2014). SU‐E‐T‐508: End to End Testing of a Prototype Eclipse Module for Planning Modulated Arc Therapy On the Siemens Platform [Abstract]. 41(6), 344.
  36. V Sarkar, B Wang, H Zhao, B Lynch, J James, K McCullough, P RassiahSzegedi, Y Huang, M Szegedi, L Huang, B Salter (2014). TH‐C‐19A‐08: PDD Discrepancies at Opposite Biases From Very Small Volume Ion Chambers When Using Water Scanners [Abstract]. 41(6), 548-549.
  37. H Zhao, V Sarkar, P RassiahSzegedi, Y Huang, M Szegedi, L Huang, B Salter (2014). SU‐E‐T‐562: Scanned Percent Depth Dose Curve Discrepancy for Photon Beams with Physical Wedge in Place (Varian IX) Using Different Sensitive Volume Ion Chambers. [Abstract]. 41(6), 357.
  38. Salter BJ, Szegedi M, Wang M, Rassiah-Szegedi P, Zhao H, Huang J, Sarkar V, Tward J (2013). Presentation of a New Intrafractional Prostate Monitoring Method with Ultrasound Image Guidance During Radiotherapy Treatment [Abstract]. American Association of Physicists in Medicine (AAPM) Annual Meeting, Indianapolis, IN, 40(6), 375.
  39. Wang B, Sarkar V, Rassiah-Szegedi P, Zhao H, Huang Y, Szegedi M, Shrieve T, Tward JTSalter 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 (AAPM) Annual Meeting, Indianapolis, IN, 40(6), 375.
  40. 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 (AAPM) Annual Meeting, Indianapolis, IN, 40(6), 237.
  41. Vikren Sarkar, Brian Wang, Prema Rassiah-Szegedi, Hui Zhao, Jessica Y Huang, Martin W Szegedi, Ying J Hitchcock, Kristine E Kokeny, Bill J Salter (2012). Dosimetric Implications of Abdominal Compression for Lung SBRT Treatment. 2012. International Journal of Radiation Oncology Biology Physics. 84(3), p6 [Abstract]. 84(3), 6.
  42. B Wang, V Sarkar, CJ Anker, S Streitmatter, P Rassiah-Szegedi, H Zhao, JY Huang, M Szegedi, BJ Salter (2012). Ultrasound Image Guidance for Abdominal Tumor. [Abstract]. 84(3), S740.
  43. 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 (AAPM) Annual Meeting, Charlotte, NC, 39(6), 3666.
  44. 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 (AAPM) Annual Meeting, Charlotte, NC, 39(6), 3797.
  45. M Szegedi, J Hinkle, V Sarkar, P Rassiah-Szegedi, S Joshi, B Wang, B Salter (2011). Validation of Four Dimensional Tissue Deformation Reconstruction using Phantom and Patient Data [Abstract]. 81(2), S819-S820.
  46. Y Huang, P Rassiah-Szegedi, B Wang, H Zhao, V Sarkar, M Szegedi, D Gaffney, BJ Salter (2011). The Feasibility of Image-Guided MRI Pre-plan on HDR Syed Implants: A Case Study [Abstract]. 81(2), S470.
  47. Szegedi, M, Hinkle, J, Joshi, S, Sarkar, V, RassiahSzegedi, P, Wang, B and Salter, B (2011). WE‐E‐BRC‐05: Voxel Based Four Dimensional Tissue Deformation Reconstruction (4DTDR) Validation Using a Real Tissue Phantom. [Abstract]. 38(6), 3819.
  48. Zha H, Wang B, Rassiah-Szegedi P, Huang Y, Sarkar V, Szegedi M, Sadinski M, Kokeny K, Poppe M, Salte B (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 (AAPM) Annual Meeting, 38(6), 3610.
  49. Wang B, Sadinski M, Sarkar V, Ruhnau S, Szegedi M, Anker C, Rassiah-Szegedi P, Zhao H, Huang Y, Salter B (2011). A Case Study of More Accurate Phase Re-Assignment for 4DCT Images [Abstract]. American Association of Physicists in Medicine (AAPM) Annual Meeting, 38(6), 3553.
  50. 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(6), 3201.
  51. Salter, B, Sarkar, V, Ruhnau, S, RassiahSzegedi, P, Huang, Y, Zhao, H, Wang, B and Szegedi, M (2010). Increasing the Delivery Efficiency of IMRT DAO‐Based Plans through Segment Reordering [Abstract]. 37(6), 3215.
  52. Sarkar V, Wang B, Rassiah-Szegedi P, Szegedi M, Huang Y, Zhao H, Salter B (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 (AAPM) Annual Meeting, 37(6), 3131.
  53. Zhao HWang B, Rassiah-Szegedi P, Huang Y, Sarkar V, Szegedi M, Salter B (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 (AAPM) Annual Meeting, 37(6), 3150.
  54. Sarkar V, Rassiah-Szegedi P, Szegedi M, Wang B, Zhao H, Huang Y, Shukla H, Salter B (2010). Rotational IMRT Delivery Using a Siemens Artiste in Flattening-Filter-Free, High Dose-Rate Mode [Abstract]. American Association of Physicists in Medicine (AAPM) Annual Meeting, 37(6), 3214.
  55. Szegedi M, Sarkar V, Zhao H, Wang B, Huang Y, Salter B (2010). Accuracy of the Collapsed Convolution Superposition Algorithm Without a Flattening Filter [Abstract]. American Association of Physicists in Medicine (AAPM) Annual Meeting, 37(6), 3323.
  56. Y Huang, M Szegedi, B Wang, P Rassiah-Szegedi, H Zhao, B J Salter (2009). Comparison of CT-on-Rails (CTOR) Image Guided (IG) Targeting with MV Cone Beam CT (CBCT)Targeting in Anthropomorphic Phantom [Abstract]. 75(3), S584.
  57. M Szegedi ORAL, P Rassiah-Szegedi, J Hinkle, B Wang, H Zhao, J Huang, S Joshi, B Salter (2009). 4DCT Evaluation of Correlation Between Respiratory Surrogate And Internal Target Fiducials For SBRT of Liver [Abstract]. 92(1), S117.
  58. P Rassiah-Szegedi, M Szegedi, J Huang, B Wang, H Zhao, B Salter (2009). Characterization of Dosimetry and Efficiency When Using Unflat 6 MV Beam For 160 Leaf IMRT. [Abstract]. 92(1).
  59. H Zhao, B Wang, P Rassiah-Szegedi, M Szegedi, B Salter (2009). Calculation of Delivered Dose From Calypso Tracking Data: And Subsequent Evaluation of Reasonable Treatment Interruption Tolerance Limits [Abstract]. 36(6).
  60. B Salter, B Wang, H Zhao, P RassiahSzegedi, M Szegedi (2009). A Novel Workflow for SBRT Image Guidance Using 4D CT Method [Abstract]. 36, 2496.
  61. P Rassiah-Szegedi, B Wang, M Szegedi, H Zhao, J Huang, JD Tward, DC Shrieve, BJ Salter (2009). Characterization of Potential Radiobiological benefit from design of Patient-specific Margins for Prostate Treatment Using a Real Time Tracking System [Abstract]. 75(3), S587.
  62. H Zhao, B Wang, P Rassiah-Szegedi, M Szegedi, YJ Huang and BJ Salter (2009). Quantification of a baseline shift of tumor motion envelope for Stereotactic Body Radiation Therapy (SBRT) of lung [Abstract]. 75(3), S577.
  63. M Szegedi, P Rassiah-Szegedi, J Hinkle, B Salter (2009). A Proto-Type Design of a Real Tissue Phantom for the Validation of Deformation Algorithm and 4D Dose Calculations [Abstract]. 36(6).
  64. M Szegedi, P Rassiah-Szegedi, G Fullerton, B Salter (2009). Characterization of Liver Motion Based On Implanted Markers [Abstract]. 36, 2506-2506.
  65. T Roland, P Rassiah-Szegedi, M Szegedi, P Mavroidis and N Papanikolaou (2008). A phantom based investigation of the effects of MIP versus AIP derived internal target volumes on 4D treatment planning. [Abstract]. 88(Supplement 2), S363.
  66. P RassiahSzegedi, T Roland, M Szegedi (2008). The Effect of 4DCT and 3DCT Image Data Set On Dose Calculation and Optimization: Preliminary Results [Abstract]. 35(6).
  67. P Rassiah, M Szegedi, J Peyton, S Stathakis, C Esquivel, A Gutirrez, N Papanikolaou (2008). Accuracy of the Finite Size Pencil Beam Without the Flattening Filter.  [Abstract]. 35(6).
  68. Rassiah-Szegedi P, Fuss M, Sheikh-Bagheri D, Szegedi M, Stathakis S, Lancaster J, Papanikolaou N, Salter B (2007). The effect of 4DCT and static image data set on dose calculation and optimization [Abstract]. 84, S179.
  69. LNguyen, NPapanikolaou, C Esquivel, M Szegedi, PRassiah (2007). Unmodulated Linac Based Arc Therapy For Lung Lesions With The Mimic. [Abstract]. 84, S179.
  70. P RassiahSzegedi, S Stathakis, M Szegedi, C Esquivel, N Papanikolaou (2007). Monte Carlo Flattening Filter Free MIMiC Based IMRT Planning. [Abstract]. 34(6).
  71. P Rassiah, M Fuss, D Sheikh-Bagheri, M Szegedi, N Papanikolaou (2007). SU‐FF‐T‐177: Dosimetric Evaluation of a Monte Carlo IMRT Treatment Planning System with the MIMiC [Abstract]. 34(6).
  72. J Salouero, F Snchez-Doblado, A Leal, R Linares, R Arrns, S Leidenberger, C Schulze, M Szegedi, M Tacke (2005). 328 Leakage evaluation as a function of the tip angle for a non tongue and groove multileaf collimator using Monte Carlo simulation [Abstract]. 76(Suplement 2), S150.
  73. J Salouero, F Snchez-Doblado, R Linares, A Leal, R Arrns, JI Lagares, R Capote, S Leidenbergr, M Szegedi (2005). 330 Determination of the most probable ways followed by photons in a 6MV Siemens Primus linac [Abstract]. 76(Supplement 2), S150.
  74. J Salouero, F Snchez-Doblado, A Leal, R Arrns, JI Lagares, R Capote, S Leidenberger, M Szegedi (2005). 329 Characterization of a new target in a Siemens Primus linac by means of Monte Carlo simulation [Abstract]. 76(Supplement 2), S150.
  75. J Salauero, F Snchez-Doblado, A Leal, R Linares, E Hermoso, R Arrns, JI Lagares, TP Boule, S Leidenberger, M Szegedi (2005). 331 Some transmission influencing factors of a MLC analyzed by EGSnrc Monte Carlo code [Abstract]. 76(Supplement 2), S151.
  76. J Salguuero, F Snchez-Doblado, A Leal, R Linares, R Arrns, S Leidenberger, C Schulze, M Szegedi, M Tacke (2005). 73 Monte Carlo study on double-focused leaf end influence in photon leakage [Abstract]. 76(Supplement 2), S44.