Vindu Kathriarachchi, PhD, DABR
Department of Radiation Physics, Division of Radiation Oncology
Present Title & Affiliation
Primary Appointment
Assistant Professor, Radiation Physics - Pt Care, The University of Texas MD Anderson Cancer Center, Houston, Texas
Dual/Joint/Adjunct Appointment
Associate Member, Graduate School of Biomedical Sciences - UTHealth, Houston, Texas
Assistant Professor, Radiation Physics - Patient Care, The University of Texas MD Anderson Cancer Center, Houston, TX
Education & Training
Degree-Granting Education
| 2013 | Florida Atlantic University, Boca Raton, Florida, US, Medical Physics, M.S |
| 2015 | Florida Atlantic University, Boca Raton, Florida, US, Physics, Ph.D |
| 2009 | Central Michigan University, Mount Pleasant, Michigan, US, Physics, M.S |
| 2005 | University of Colombo, Colombo, LK, Physics, B.S |
Postgraduate Training
| 2024-2024 | Workshop, The Prostate SBRT Course, Accuray, Miami, FL |
| 2024-2024 | Workshop, Essential Course Radiosurgery, Brainlab, Chicago, IL |
| 2023-2023 | Workshop, Preparation Course Radiosurgery - Physics and QA, Brainlab |
| 2017-2017 | Workshop, 3D-BrachyVision, Varian Medical Systems, Las Vegas, Nevada |
| 2014-2014 | Workshop, Best Practice for beam Data Collection, Sun Nuclear Corporation, Melbourne, Florida |
| 2012-2012 | Workshop, The New Standard of Care for Partial Breast Boost Therapy & APBI, Lynn Cancer Institute, Boca Raton, Florida |
| 2012-2012 | Workshop, HDR Brachytherapy Breast Boost, Lynn Cancer Institute, Boca Raton, Florida |
Licenses & Certifications
| 2018 | Texas Medical Board |
| 2017 | American Board of Radiology |
| 2017 | Texas Medical Board |
| 2016 | Texas Medical Board |
| 2015 | Florida Department of Health |
Experience & Service
Faculty Academic Appointments
Medical Physicist, Radiation Physics - Patient Care, The University of Texas MD Anderson Cancer Center, Houston, TX, 2020 - 2022
Administrative Appointments/Responsibilities
Associate Patient Safety and Quality Officer, Radiation Physics - Pt Care, The University of Texas MD Anderson Cancer Center, Houston, Texas, 2025 - Present
Clinical Protocol Credentialing Officer - HALs, Radiation Physics - Pt Care, The University of Texas MD Anderson Cancer Center, Houston, Texas, 2021 - Present
Other Professional Positions
Medical Physicist, Therapeutic Medical Physics, Advanced Medical Physics, Inc, Houston, TX, 2015 - 2020
Intramural Institutional Committee Activities
Committee Member, Radiation Physics Research Liaison, The University of Texas MD Anderson Cancer Center, 2021 - 2025
Extramural Institutional Committee Activities
Guest Memeber, AAPM: Leadership Skills for Global Development Subcommittee (GLEADSC), AAPM, 2026 - 2026
Honors & Awards
| 2015 | BB&T Scholarship for academic excellence, Florida Atlantic University |
| 2015 | Best poster presentation in the category of Math & Physics - GPSA research day, Florida Atlantic University |
| 2015 | 2nd place-poster presentation in the category of Physics - College of Science research day, Florida Atlantic University |
| 2014 | Users grant to conduct TEM measurements, Oak Ridge National Laboratory |
| 2013 | Users grant to conduct Neutron Diffraction measurements, Oak Ridge National Laboratory |
Professional Memberships
Selected Presentations & Talks
Local Presentations
- 2026. QA, Dosimetry, Calculation. Invited. Medical Physics Seminar. Houston, TX, US.
National Presentations
- 2026. Automated Analysis Tool for Annual Beam-Scanning QA. Poster. 68th AAPM Annual Meeting & Exhibition.
- 2026. Quantitative Assessment of an Open-Source Software Solution for Linac Imaging Quality Assurance in Resource-Limited Clinics. Conference. AAPM Spring Clinical Meeting. Orlando, Florida, US.
- 2025. Dual Energy Cone Beam Computed Tomography for Artifact Reduction and Enhanced Image Quality Using Existing Hardware in Radiation Therapy. Poster. AAPM Annual Meeting. Washington, DC, US.
- 2024. Commissioning of 3D Ring Applicator Model Source Path for Gynecological High-Dose-Rate Brachytherapy. Poster. AAPM Annual Meeting. Los Angeles, California, US.
- 2022. Is Lead Foil Necessary for Flattening Filter Free Beam Reference Dosimetry?. Poster. AAPM Annual Meeting. Washington, DC, US.
- 2018. Will Electronic Brachytherapy be a good candidate for Vaginal Cuff Brachytherapy?. Poster. ASTRO Annual Meeting. San Antonio, Texas, US.
- 2015. Will CyberKnife M6 Multileaf Collimator offer advantages over IRIS collimator in prostate SBRT?. Conference. FL Chapter Meeting. Orlando, FL, US.
- 2015. Effect of Processing Temperature on Crystal Structure, Practice Morphology and Magnetic Properties of Nanophase Fe-Hydroxyaptite. Poster. College of Sceience Research Day and GPSA Research Day. Boca Raton, Florida, US.
- 2015. Will CyberKnife M6 Mutlileaf Collimator Offer Advantages over IRIS collimator in prostate SBRT?. Poster. College of Science Research Day. Boca Raton, Florida, US.
- 2015. Will CyberKnife M6 Mutlileaf Collimator Offer Advantages over IRIS collimator in prostate SBRT?. Poster. GPSA Research Day. Boca Raton, Floria, US.
- 2015. Will CyberKnife M6 Multileaf Collimator Offer Advantages over IRIS collimator in prostate SBRT?. Conference. AAPM Spring Clinical Meeting. St. Louis, Missouri, US.
- 2015. Effect of Processing Temperature on Crystal Structure, Particle Morphology and Magnetic Properties of Nanophase Fe-Hydroxyapatite. Conference. APS March Meeting. San Antonio, Texas, US.
- 2014. Effect of Processing Temperature on Crystal Structure, Particle Morphology and Magnetic Properties of Nanophase Fe-Hydroxyapatitie. Poster. College of Science Research Day and GSPA Research Day. Boca Raton, Florida, US.
- 2013. Effect of Processing Temperature on Crystal Structure Properties and Magnetic Properties of Nanophase Fe-Hydroxyapatite. Poster. GSA Research Day. Boca Raton, Florida, US.
- 2013. A Novel Method to Evaluate Local Control of SBRT for Lung Cancer Treatment Using 18F-FDG PET. Conference. FL Chapter Meeting. Orlando, Florida, US.
- 2013. A Novel Method to Evaluate Local Control of SBRT for Lunch Cancer Treatment Using 18F-FDG PET. Panelist. CBAMP Meeting. Orlando, Florida, US.
- 2012. A new reliable SUV index for Evaluating local control using 18F-FDG PET following Lung SBRT. Poster. ASTRO's 54th Annual Meeting. Boston, Massachusetts, US.
- 2012. A New Reliable SIV Index for Evaluating Local Control using 18F FDG PET following lunch SBRT. Poster. Chicago Multidisciplinary Symposium in Thoractic Oncology. Chicago, Illinios, US.
- 2012. A Novel Method to Evaluate local control and Recurrence using 18F-FDG PET After Lung SBRT. Poster. AAPM Annual Meeting. Charlotte, North Carolina, US.
- 2012. A New method to evaluate local control of SBRT for Lung Cancer Treatment using 18F-FDG PET. Poster. College Science Research Day. Boca Raton, Florida, US.
- 2012. Effect of Processing Temperature on Crystal Structure Properties of Nanophase Fe- Hydroxyapatitie. Poster. College of Science Research Day and GSA Research Day. Boca Raton, Florida, US.
- 2012. A New Method of Evaluate Local Control of SBRT for Lung Cancer Treatment Using 18F-FDG PET. Conference. AAPM Spring Clinical Meeting. Dallas, Texas, US.
- 2011. Crystal Structure Studies of Cone Snail Shells by Powder X-ray Diffraction. Poster. College of Science Research Day & GSA Research Day. Boca Raton, Florida, US.
International Presentations
- 2026. Clinical Validation of Open-Source Pylinac Platform for Gamma Analysis in Patient-Specific Quality Assurance. Poster. AAPM COMP Joint Meeting. Vancouver, CA.
Formal Peers
- 2026. Atomic and Nuclear Structure, Electromagnetic Radiation, Radioactive Decay, Photon and Electron Beam Creation and Delivery. Houston, Texas, US.
- 2024. RT4312 Quality Management in Radiation Therapy. Houston, Texas, US.
Selected Publications
Peer-Reviewed Articles
- Court LE, Douglas R, Diagaradjane P, Kathriarachchi VW, Su S, Subashi E, Zhao Y, Zhang L, Netherton T. Can Physics Review Catch Prescription and PTV Margin Errors in Fully Automated Radiotherapy Plans? A Hazard Study. JACMP. e-Pub 2026.
- Kathriarachchi V, Li Harold, Johnson D, Jayarathna S. Performance evaluation of an open-source software toolkit for medical linear accelerator imaging quality assurance tasks for resource-limited clinics. JACMP. e-Pub 2026.
- Gao S, Nelson C, Wang C, Kathriarachchi V, Choi M, Saxena R, Kendall R, Balter P. Quantification of the role of lead foil in flattening filter free beam reference dosimetry. J Appl Clin Med Phys 24(4):e13960, 2023. e-Pub 2023. PMID: 36913192.
- Kathriarachchi V, Shang C, Evans G, Leventouri T, Kalantzis G. Dosimetric and radiobiological comparison of CyberKnife M6™ InCise multileaf collimator over IRIS™ variable collimator in prostate stereotactic body radiation therapy. J Med Phys 41(2):135-143, 2016. e-Pub 2016. PMID: 27217626.
- Shang CY, Kasper ME, Kathriarachchi V, Benda RK, Kleinman JH, Cole J, Williams TR. Can an alternative backround-corrected [18F] fluorodeoxyglucose (FDG) standard uptake value (SUV) be used for monitoring tumor local control following lung cancer stereotactic body radiosurgery?. International Journal of Cancer Therapy and Oncology 2((3):020317), 2014. e-Pub 2014.
- Sonnadara U, Kathriarachchi V, Cooray V, Montano R, Götschl T. Performance of lightning locating systems in extracting lightning flash characteristics. Journal of Atmospheric and Solar-Terrestrial Physics 112:31-37, 2014. e-Pub 2014.
- Müller CR, Kathriarachchi V, Schuch M, Maass P, Petkov VG. Reverse Monte Carlo modeling of ion conducting network glasses: an evaluation based on molecular dynamics simulations. Phys Chem Chem Phys 12(35):10444-51, 2010. e-Pub 2010. PMID: 20585683.
- Kathriarachchi V, Granger, BK, Nelson, CL, Hernandez,S. Automated Analysis Tool for Annual Beam-Scanning QA.
Patient Reviews
CV information above last modified August 30, 2026