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Assist. Prof. Pawinee Mahasittiwat

Medical Oncologist, Radiation Oncologist

Assist. Prof. Pawinee Mahasittiwat

Associate Professor

22+ years of experience

MD
Siriraj Piyamaharajkarun Hospital, Bangkok - Thailand

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    Treatments & Conditions Assist. Prof. Pawinee Mahasittiwat Specializes In

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    Kidney Cancer Liver Cancer Neuroblastoma

    Areas of Expertise

    Assist. Prof. Pawinee Mahasittiwat

    Major Conditions Treated

    • Non-Small Cell Lung Cancer (NSCLC)
    • Small Cell Lung Cancer
    • Rectal Cancer & Colorectal Cancer
    • Breast Cancer (Radiation)
    • Head and Neck Cancers
    • Cervical & Gynaecologic Cancers (Radiation)
    • Prostate Cancer (Radiation)
    • Brain Tumours & CNS Tumours
    • Bone Metastases
    • Advanced & Metastatic Cancers
    • Solid Tumours Requiring Radiation

    Sub-specialties

    • Radiation Oncology: US-trained (University of Michigan, Washington University) expertise in 3D-CRT, IMRT, and stereotactic body radiation therapy — a trusted Radiation Oncologist in Bangkok for international patients seeking advanced radiotherapy in Thailand.
    • Lung Cancer Radiotherapy: Published expert in PET-MTV-guided adaptive radiation therapy for NSCLC, including RTOG1106 collaboration.
    • Rectal Cancer Radiotherapy: Published expert in preoperative short-course radiation therapy for rectal cancer.

    Advanced Procedures & Treatments

    • 3D Conformal Radiation Therapy (3DCRT)
    • Intensity-Modulated Radiation Therapy (IMRT)
    • Stereotactic Body Radiation Therapy (SBRT)
    • Stereotactic Radiosurgery (SRS)
    • Image-Guided Radiation Therapy (IGRT)
    • PET/CT-Guided Adaptive Radiation Therapy
    • Preoperative Short-Course Radiation Therapy (Rectal Cancer)
    • Chemoradiotherapy Coordination
    • Palliative Radiotherapy
    • Multidisciplinary Tumour Board Coordination

    Qualifications & Credentials

    Medical Degrees

    • Doctor of Medicine (M.D.) — Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand

    Fellowships & Special Training

    • Residency in Radiation Oncology — Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand
    • Fellowship in Radiation Oncology — Department of Radiation Oncology, University of Michigan, Ann Arbor, USA
    • Fellowship in Radiation Oncology — Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri, USA

    Certifications & Accreditations

    • Thai Medical Council Registration
    • Thai Board of Radiation Oncology
    • Thai Association of Radiation Oncology — Member

    Professional Experience

    Current Affiliation

    • Siriraj Piyamaharajkarun Hospital, Bangkok — Senior Consultant Radiation Oncologist, Present
    • Faculty of Medicine, Siriraj Hospital, Mahidol University — Assistant Professor / Senior Faculty, Division of Radiation Oncology, Present

    Past Affiliations

    • Department of Radiation Oncology, University of Michigan, Ann Arbor, USA — Research Fellow
    • Department of Radiation Oncology, Washington University School of Medicine, St. Louis, USA — Research Fellow
    • Siriraj Hospital, Mahidol University — Residency in Radiation Oncology

    Academic & Research Roles

    • Assistant Professor, Faculty of Medicine, Siriraj Hospital, Mahidol University
    • Active researcher in PET-guided adaptive radiotherapy for NSCLC and short-course radiation for rectal cancer
    • Co-author on RTOG1106 collaboration

    Key Achievements

    • 22+ years of clinical and academic experience
    • Dual US fellowship training (University of Michigan + Washington University)
    • Published in J Radiat Oncol (2013) and Practical Radiation Oncology (2016)
    • Co-author with Feng-Ming Spring Kong on PET-guided NSCLC adaptive radiotherapy

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