Department of Radiography/Radiotherapy

Faculty of Allied Health Sciences

Department of Radiography/Radiotherapy

Faculty of Allied Health Sciences

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Mr. L.R.S. Liyanage


Official Address :

Department of Radiography/Radiotherapy,
Faculty of Allied Health Sciences,
University of Peradeniya,
Augusta Hill, Sri Amarawansa Mawatha
Peradeniya,
Sri Lanka


Email :

sudeeptha@ahs.pdn.ac.lk


Telephone :

+94719297478, +94 74 292 5571

     




Education Qualification

  • PhD in Medical Physics (Specialized in Medical Imaging Physics), State University of New York at Buffalo, United States of America (August 2026 – Present)

  • MS in Medical Physics (Specialized in Nuclear Medicine Physics), State University of New York at Buffalo, United States of America (Effective Date: 1st June 2026)

  • Fulbright Pre-Academic Program – “English for Graduate Studies Pre-Academic Program”, Kansas State University, United States of America (July – August 2024)

  • B.Sc. (Honors) in Radiography – First Class, University of Peradeniya, Sri Lanka (Effective Date: 30th September 2021)

Professional Qualification

  • Lecturer, Department of Radiography/Radiotherapy, Faculty of Allied Health Sciences, University of Peradeniya, Sri Lanka (June 2023 – Present)

  • Graduate Research Assistant, SUNY Research Foundation, attached to the Cannon Stroke and Vascular Research Center, Department of Neurosurgery, State University of New York at Buffalo, United States of America (August 2026 - Present)

  • Temporary Demonstrator, Department of Radiography/Radiotherapy, Faculty of Allied Health Sciences, University of Peradeniya, Sri Lanka (November 2021 – June 2023)

  • Visiting Demonstrator, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka (November 2021 – June 2023)

  • Diagnostic Radiographer, Medical Imaging Center, University of Peradeniya, Sri Lanka (01st January 2023 – Present)

Memberships

  • Member of the American Association of Physicists in Medicine (AAPM)

  • Member of the Society of Radiological Technologists, Sri Lanka (SRTSL)

  • Member of the College of Radiographers, Sri Lanka (CoRSL)

  • Registered Radiographer (Professionals Supplementary to Medicine) in Sri Lanka Medical Council (Registration Number 0979) from 11th July 2022

  • Registered Radiographer (Professionals Supplementary to Medicine) in Ceylon Medical College Council from 23rd May 2022

Research Interests

  • Nuclear Medicine and Theranostics

  • Cancer Imaging

  • Interventional Radiology

  • High-speed Angiography

  • Radiation Dosimetry

  • Monte Carlo Simulation

  • Computed Tomography

  • Magnetic Resonance Imaging

Research Publications

Thesis / Full Papers

  • Liyanage, L. R. S. (2026). Monte Carlo-based radiopharmaceutical precision dosimetry from PET/CT images: Digital twin modeling and cross-radionuclide surrogate estimation [Master’s thesis, University at Buffalo, The State University of New York]. ProQuest Dissertations & Theses Global. View Thesis

  • Liyanage, S., Wickramarathne, H. T., Kalpana, U., & Hewavithana, P. B. (2022). Evaluation of the occupational radiation exposure from C-arm fluoroscopy during common orthopaedic surgical procedures: DAP-based dose simulation method. Ceylon Medical Journal, 67(4), 164–168. DOI

  • Liyanage, L. R. S., et al. (2023). Assessment of Radiation Protection Measures to Minimize Occupational Radiation Exposure from C-arm Fluoroscopy During Common Orthopaedic Surgical Procedures. Sri Lankan Journal of Health Sciences, 1(2), 9–15. DOI

    • Conference Presentations / Abstracts

  • Liyanage LRS. Digital twin approach to PET/CT image-driven Monte Carlo precision dosimetry in theranostics. Oral presentation at: Upstate New York Association of Physicists in Medicine (UNYAPM) Fall Meeting 2025; December 6, 2025.

  • Liyanage LRS. Monte Carlo-based personalized dosimetry platform for radiopharmaceutical theranostic agents. Poster presentation at: Graduate Student Research Day 2025, University at Buffalo, The State University of New York; September 25, 2025.

  • Liyanage, L. R. S. et al. (2022). Evaluation of the occupational radiation exposure from C-arm fluoroscopy during common orthopaedic surgical procedures: DAP-based dose simulation method. In International Research Conference in Health Sciences 2022, Faculty of Allied Health Sciences, University of Sri Jayewardenepura, p. 103. Available at: http://health.sjp.ac.lk/rchs/

    • Honors and Awards

      Awards, Scholarships & Achievements

    • Fulbright Scholar, recipient of the Foreign Fulbright Student Program Scholarship administered by the U.S. Department of State, Bureau of Educational and Cultural Affairs, for postgraduate study in the United States (July 2024 – May 2026)

    • Young Investigators Award – Second Place, Upstate New York Association of Physicists in Medicine (UNYAPM) Fall Meeting 2025, awarded for the oral research presentation “Digital Twin Approach to PET/CT Image-Driven Monte Carlo Precision Dosimetry in Theranostics,” presented on December 6, 2025.

    • University Gold Medalist: Peradeniya University Gold Medal, Faculty of Allied Health Sciences, for Excellence in Scholastic and Extra-Mural Excellence at the General Convocation 2020.

    • Selected for JENESYS 2020 Program (Japan-East Asia Network of Exchange for Students and Youths) as one of the eight students representing Sri Lanka.

    Curriculum Vitae




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