EDUCATION AND TRAINING

Ph.D., Medical Physics, 2005
University of Patras, Laboratory of Medical Physics, Patras, Greece

M.S., Medical Physics, 1997
University of Aberdeen, Aberdeen, UK

B.S., Physics (minor in Mathematics and Computer Science), 1995
University of Waterloo, Waterloo, ON, Canada

Research Associate, 2006
Fox Chase Cancer Center, Philadelphia, PA

CERTIFICATIONS

American Board of Radiology (ABR), 2010
Therapeutic Medical Physics

Diplomat of the American Board of Radiology (DABR), 2010
Therapeutic Medical Physics

EMPLOYMENT

Chief of Physics, 2023 – Present
Mary Bird Perkins Cancer Center, Baton Rouge, LA

Associate Director of Medical Physics Division, 2017 – 2022
University of Texas Health Science Center San Antonio, San Antonio, TX

Chief of Medical Physics, 2012 – 2022
Department of Radiation Oncology, South Texas VHA, San Antonio, TX

Adjunct Faculty, 2023 – Present
Department of Physics and Astronomy, Louisiana State University

Research Interests

• Patient specific quality assurance
• Daily dose verification
• Treatment planning techniques
• Adaptive radiation therapy
• Stereotactic body radiation therapy
• Automation, standardization and workflow efficiency

PUBLICATIONS

(recent selected)

1. 1. NTCP Modeling and Dose-Volume Correlations of Significant Hematocrit Drop 3 Months After Prostate Radiation Therapy. Papanikolaou P, Swanson G, Stathakis S, Mavroidis P. Adv Radiat Oncol. 2023 Oct 21;9(3):101393. doi: 10.1016/j.adro.2023.101393. eCollection 2024 Mar.
   PMID: 38292887
   
   
2.  Standardizing and improving dose predictions for head and neck cancers using complete sets of OAR contours. Buatti JS, Kirby N, Stathakis S, Li R, Sivabhaskar S, de Oliveira M, Duke K, Kabat CN, Papanikolaou N, Paragios N. Med Phys. 2024 Feb;51(2):898-909. doi: 10.1002/mp.16898. Epub 2023 Dec 21. PMID: 38127972
   
   3. Dosimetric characterization of a new surface-conforming electron MLC prototype. Paschal HMP, Kabat CN, Martin T, Saenz D, Myers P, Rasmussen K, Stathakis S, Bonnen M, Papanikolaou N, Kirby N. J Appl Clin Med Phys. 2024 Feb;25(2):e14173. doi: 10.1002/acm2.14173. Epub 2023 Oct 19. PMID: 37858985
   
   4. Monte Carlo modeling of the Elekta Versa HD and patient dose calculation with EGSnrc/BEAMnrc. Paschal HMP, Kabat CN, Papaconstadopoulos P, Kirby NA, Myers PA, Wagner TD, Stathakis S. J Appl Clin Med Phys. 2022 Sep;23(9):e13715. doi: 10.1002/acm2.13715. Epub 2022 Aug 19. PMID: 35985698
   
   5. Erratum: “Report of AAPM Task Group 219 on independent calculation-based dose/MU verification for IMRT”. Zhu TC, Stathakis S, Clark JR, Feng W, Georg D, Holmes SM, Kry SF, Charlie Ma CM, Miften M, Mihailidis D, Moran JM, Papanikolaou N, Poppe B, Xiao Y. Med Phys. 2022 Aug;49(8):5713. doi: 10.1002/mp.15772. Epub 2022 Jul 14. PMID: 35833598 No abstract available.
   
   6. Artificial intelligence based deconvolving on megavoltage photon beam profiles for radiotherapy applications. Weidner J, Horn J, Kabat CN, Stathakis S, Geissler P, Wolf U, Poppinga D. Phys Med Biol. 2022 Mar 16;67(6). doi: 10.1088/1361-6560/ac594d. PMID: 35226890
   
   7. Effects of varying statistical uncertainty using a Monte Carlo based treatment planning system for VMAT. Rembish J, Myers P, Saenz D, Kirby N, Papanikolaou N, Stathakis S. J BUON. 2021 Jul-Aug;26(4):1683. PMID: 34565034
   
   8. Output factor measurements with multiple detectors in CyberKnife® Robotic Radiosurgery System. Manavalan M, Durai M, Narayanasamy G, Stathakis S, Godson HF, Subramani V. J Cancer Res Ther. 2021 JulSep;17(4):870-874. doi: 10.4103/jcrt.JCRT_962_20. PMID: 34528534
   
   9. A customizable aluminum compensator system for total body irradiation. Naessig M, Hernandez S, Astorga NR, McCulloch J, Saenz D, Myers P, Rasmussen K, Stathakis S, Ha CS, Papanikolaou N, Ford J, Kirby N. J Appl
   Clin Med Phys. 2021 Oct;22(10):36-44. doi: 10.1002/acm2.13393. Epub 2021 Aug 25. PMID: 34432944
   
   10. Report of AAPM Task Group 219 on independent calculation-based dose/MU verification for IMRT. Zhu TC, Stathakis S, Clark JR, Feng W, Georg D, Holmes SM, Kry SF, Ma CC, Miften M, Mihailidis D, Moran JM, Papanikolaou N, Poppe B, Xiao Y. Med Phys. 2021 Oct;48(10):e808-e829. doi: 10.1002/mp.15069. Epub 2021 Jul 29. PMID: 34213772 Review.
   
   11. On the evaluation of mobile target trajectory between four-dimensional computer tomography and fourdimensional cone-beam computer tomography. Baley C, Kirby N, Wagner T, Papanikolaou N, Myers P, Rasmussen K, Stathakis S, Saenz D. J Appl Clin Med Phys. 2021 Jul;22(7):198-207. doi: 10.1002/acm2.13310. Epub 2021 Jun 3. PMID: 34085384
   
   12. Quantifying false positional corrections due to facial motion using SGRT with open-face Masks. Bry V, Licon AL, McCulloch J, Kirby N, Myers P, Saenz D, Stathakis S, Papanikolaou N, Rasmussen K. J Appl Clin Med Phys.
   2021 Apr;22(4):172-183. doi: 10.1002/acm2.13170. Epub 2021 Mar 19. PMID: 33739569
   
   13. A detailed experimental and Monte Carlo analysis of gold nanoparticle dose enhancement using 6 MV and 18 MV external beam energies in a macroscopic scale. Gray T, Bassiri N, David S, Patel DY, Stathakis S, Kirby N, Mayer KM. Appl Radiat Isot. 2021 May;171:109638. doi: 10.1016/j.apradiso.2021.109638. Epub 2021 Feb 10. PMID: 33631502
   
   14. Objective Assessment of the Quality and Accuracy of Deformable Image Registration. Jurkovic IA, Papanikolaou N, Stathakis S, Kirby N, Mavroidis P. J Med Phys. 2020 Jul-Sep;45(3):156-167. doi: 10.4103/jmp.JMP_47_19. Epub 2020 Oct 13. PMID: 33487928
   
   15. Dose Calculation Comparisons between Three Modern Treatment Planning Systems. Bosse C, Narayanasamy G, Saenz D, Myers P, Kirby N, Rasmussen K, Mavroidis P, Papanikolaou N, Stathakis S. J Med Phys. 2020 Jul-Sep;45(3):143-147. doi: 10.4103/jmp.JMP_111_19. Epub 2020 Oct 13. PMID: 3348792
   
   16. An evaluation of Pencil Beam vs Monte Carlo calculations for intracranial stereotactic radiosurgery. Rembish J, Myers P, Kirby N, Saenz D, Rasmussen K, Crownover R, Papanikolaou N, Stathakis S. J BUON. 2020 Nov-Dec;25(6):2731-2736. PMID: 33455120
   
   17. AAPM Task Group 264: The safe clinical implementation of MLC tracking in radiotherapy. Keall PJ, Sawant A, Berbeco RI, Booth JT, Cho B, Cerviño LI, Cirino E, Dieterich S, Fast MF, Greer PB, Munck Af Rosenschöld P,
   Parikh PJ, Poulsen PR, Santanam L, Sherouse GW, Shi J, Stathakis S. Med Phys. 2021 May;48(5):e44-e64. doi: 10.1002/mp.14625. Epub 2021 Mar 23. PMID: 33260251
   
   18. An open-source tool to visualize potential cone collisions while planning SRS cases. Licon AL, Alexandrian A, Saenz D, Myers P, Rasmussen K, Stathakis S, Papanikolaou N, Kirby N. J Appl Clin Med Phys. 2020 Oct;21(10):40-47. doi: 10.1002/acm2.12998. Epub 2020 Aug 11. PMID: 32779832
   
   19. Patient-specific dose quality assurance of single-isocenter multiple brain metastasis stereotactic radiosurgery using PTW Octavius 4D. McCulloch J, Pawlowski J, Kirby N, Rasmussen K, Shi Z, Myers P, Stathakis S, Papanikolaou N, Saenz DL. J Appl Clin Med Phys. 2020 Sep;21(9):107-115. doi: 10.1002/acm2.12979. Epub 2020 Jul 18. PMID: 32681753
   
   20. Erratum: “DNA double-strand breaks as a method of radiation measurements for therapeutic beams” [Med. Phys. Vol 45(7), 3460-3465 (2018)]. Obeidat M, McConnell KA, Li X, Bui B, Stathakis S, Papanikolaou N,
   Rasmussen K, Soo Ha C, Eun Lee S, Yong Shim E, Kirby N. Med Phys. 2020 Jun;47(6):2576. doi: 10.1002/mp.14105. Epub 2020 Apr 21. PMID: 32634282
   
   21. A detailed Monte Carlo evaluation of 192Ir dose enhancement for gold nanoparticles and comparison with experimentally measured dose enhancements. Gray T, Bassiri N, David S, Patel DY, Stathakis S, Kirby N,
   Mayer KM. Phys Med Biol. 2020 Jul 6;65(13):135007. doi: 10.1088/1361-6560/ab9502. PMID: 32434159
   
   22. Incorporating biological modeling into patient-specific plan verification. Alexandrian AN, Mavroidis P, Narayanasamy G, McConnell KA, Kabat CN, George RB, Defoor DL, Kirby N, Papanikolaou N, Stathakis S. J Appl Clin Med Phys. 2020 Mar;21(3):94-107. doi: 10.1002/acm2.12831. Epub 2020 Feb 26. PMID: 32101368

Pubmed link to Dr. Stathakis publications