M.D. Duygu Sezen

About M.D. Duygu Sezen

M.D. Duygu Sezen is an Associate Professor and Senior Radiation Oncologist with over 15 years of clinical experience in stereotactic radiotherapy, brain metastases and immunoradiation research. She is recognised as a trusted Radiation Oncologist Istanbul Turkey, sought after by international patients researching the best Radiation Oncologist doctor in Turkey for stereotactic radiosurgery, lung and brain cancer radiotherapy.

15+ years of clinical and academic experience in radiation oncology
Visiting Observer at MD Anderson Cancer Center, Houston, USA and St. James’s University Hospital, Leeds, UK
Associate Professor at Koç University School of Medicine
PubMed-indexed publications on stereotactic radiosurgery and immunoradiation
Member of the Turkish Society for Radiation Oncology (TSRO)

Qualifications & Credentials

Medical Degrees

MD (Medical Graduation) — Gazi University Faculty of Medicine, Ankara, Turkey, 2005
Specialisation in Radiation Oncology — Hacettepe University School of Medicine, Ankara, Turkey, 2011
Compulsory Service — Erzurum Regional Training and Research Hospital, Department of Radiation Oncology, 2011–2014
Associate Professor (Doçent) of Radiation Oncology — Turkish Higher Education Council

Fellowships & Special Training

Visiting Observer — St. James’s University Hospital, Leeds, United Kingdom
Visiting Observer — University of Texas MD Anderson Cancer Center, Houston, USA
Advanced training in Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT)
Training in Brachytherapy and Image-Guided Radiotherapy (IGRT)

Certifications & Accreditations

Turkish Medical Association — Registered Specialist
Turkish Society for Radiation Oncology (TSRO) — Member
Istanbul Medical Chamber — Member

Areas of Expertise

Major Conditions Treated

Lung Cancer (Non-Small Cell and Small Cell)
Brain Tumours and Brain Metastases
Breast Cancer
Gastrointestinal (GI) Cancers
Head and Neck Cancers
Prostate Cancer
Gynaecological Cancers
Soft Tissue Sarcomas

Sub-specialties

Stereotactic Radiosurgery (SRS) & SBRT: Pre-operative SRS and SBRT for brain metastases and oligometastatic disease — a key focus for international patients seeking the best Radiation Oncologist doctor in Turkey for advanced radiotherapy.
Lung Cancer Radiotherapy: SBRT and conventional radiotherapy for early- and advanced-stage lung cancer, including immunoradiation research.
Brain Metastases & CNS Tumours: Pre-operative SRS, post-operative cavity boost and stereotactic radiotherapy.

Advanced Procedures & Treatments

Stereotactic Radiosurgery (SRS) for brain metastases
Stereotactic Body Radiation Therapy (SBRT)
Image-Guided Radiotherapy (IGRT) and IMRT/VMAT
Brachytherapy (HDR / LDR)
Pre-operative Radiosurgery for brain metastases
Multidisciplinary tumour board planning

List of Disease and Treatment for which M.D. Duygu Sezen can be consulted

Professional Experience

Current Affiliation

Koç University Hospital & Koç University School of Medicine, Istanbul, Turkey — Associate Professor & Senior Radiation Oncologist, June 2014–Present

Past Affiliations

University of Texas MD Anderson Cancer Center, Houston, USA — Visiting Observer / Research Affiliate, Department of Radiation Oncology
St. James’s University Hospital, Leeds, United Kingdom — Visiting Observer
Erzurum Regional Training and Research Hospital, Erzurum, Turkey — Radiation Oncologist (Compulsory Service), 2011–2014
Hacettepe University School of Medicine, Ankara, Turkey — Radiation Oncology Residency, completed 2011
Gazi University Faculty of Medicine, Ankara, Turkey — Medical Education, completed 2005

Academic & Research Roles

Associate Professor of Radiation Oncology — Koç University School of Medicine
Faculty contact for Radiation Oncology Elective at Koç University Faculty of Medicine
Research collaborations with MD Anderson Cancer Center on immunoradiation
Author of PubMed-indexed publications in radiation oncology and immunoradiation

Key Achievements

15+ years of clinical experience in radiation oncology
International research and observership at MD Anderson Cancer Center, USA
Co-author of national survey on Turkish radiation oncology adaptations during COVID-19

Awards & Recognitions

National & International Awards

Information not publicly available in detail.

Professional Memberships

Turkish Society for Radiation Oncology (TSRO)
Turkish Medical Association
Istanbul Medical Chamber

Research & Publications

Published Papers (Selected)

Sezen D, Selek U, Akdemir EY, et al. “Adaptations during the COVID-19 Outbreak in Turkish Radiotherapy Practice.” Turkish Journal of Oncology. 2021. DOI: 10.5505/tjo.2021.3328.
He K, Sezen D, Wasley M, et al. “A radioenhancing nanoparticle mediated immunoradiation improves survival and generates long-term antitumor immune memory in an anti-PD1-resistant murine lung cancer model.” PMC PMC8666086. 2021.
Sezen D, Kılıç Durankuş N, Akdemir EY, et al. “Preoperative Radiosurgery in Management of Brain Metastases.” Journal of Cancer and Tumor International. 2020.
Şenyürek S, Sezen D, Bölükbaşı Y. “In Regard to Shee et al” — Letter on enzalutamide and radiation therapy in prostate cancer. PMC PMC9486414. 2022.

Ongoing Research & Clinical Interests

Stereotactic radiosurgery (SRS) for brain metastases
Immunoradiation in metastatic lung cancer
Adaptive and pre-operative radiotherapy strategies

Estimated Treatment Costs

Procedure / Consultation	Estimated Cost (INR)	Estimated Cost (USD)
Radiation Oncology Consultation	₹4,000 – ₹10,000	$50 – $120
Stereotactic Radiosurgery (SRS) / SBRT	₹3,50,000 – ₹8,50,000	$4,200 – $10,200
IMRT / VMAT (full course, indication-based)	₹2,50,000 – ₹6,50,000	$3,000 – $7,800
Brachytherapy (HDR / LDR — gynaecologic, prostate)	₹1,50,000 – ₹4,50,000	$1,800 – $5,400
Conventional External Beam RT (full course)	₹1,50,000 – ₹3,50,000	$1,800 – $4,200

*Indicative estimates only. Actual costs subject to hospital pricing, case complexity, and insurance. Contact Cancer Rounds for a personalised quote.

Frequently Asked Questions

1. What advanced technologies does M.D. Duygu Sezen use in Radiation Oncologist treatment?

M.D. Duygu Sezen uses advanced radiation oncology technologies including Stereotactic Radiosurgery (SRS) and SBRT for brain metastases and lung cancer, IMRT / VMAT, image-guided radiotherapy (IGRT) and HDR / LDR brachytherapy, supported by multidisciplinary tumour boards. Contact Cancer Rounds for a tailored technology overview specific to your case.

2. What conditions does M.D. Duygu Sezen specialize in treating?

M.D. Duygu Sezen specializes in radiation oncology — including lung cancer, brain tumours and brain metastases, breast cancer, gastrointestinal cancers, head and neck cancers, prostate cancer, gynaecological cancers and soft tissue sarcomas. International patients seek expert Radiation Oncologist care in Istanbul under the supervision of M.D. Duygu Sezen.

3. How do I book an appointment with M.D. Duygu Sezen?

Appointments with M.D. Duygu Sezen can be booked directly through the Cancer Rounds website or by contacting their international patient department for priority scheduling.

4. Can international patients receive treatment from M.D. Duygu Sezen?

Yes. Cancer Rounds provides full assistance for international patients seeking treatment from M.D. Duygu Sezen in Turkey, including medical visa invitation letters, airport transfers, and local accommodation coordination.

5. What support is available for international patients?

International patients benefit from a dedicated concierge service provided by Cancer Rounds, including language interpretation, financial counselling, and pre-travel virtual consultations to review medical records before arrival.

6. Does M.D. Duygu Sezen offer second opinions for Radiation Oncologist cases?

Yes. Second opinion consultations can be arranged via Cancer Rounds for patients who wish to review their diagnosis or treatment plan with an expert Radiation Oncologist specialist in Istanbul.

About M.D. Duygu Sezen