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Prof. Dr. Enis Özyar Radiation Oncology

Prof. Dr. Enis Özyar

✓ Medically verified profile
Radiation Oncology

Prof. Dr. Enis Özyar

✓ Medically verified profile
41+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Maslak Hospital · İstanbul
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Prof. Dr. Enis Özyar
Profile

About Prof. Dr. Enis Özyar

Quick answer

Prof. Dr. Enis Özyar is a Radiation Oncology specialist at Acibadem Maslak Hospital in İstanbul with 41+ years of experience.

He focuses on radiation therapy for cancer and therapeutic radiology, including care for primary thyroid lymphoma, nasopharyngeal carcinoma including T4N0M0, pediatric and young adult cases, childhood Hodgkin lymphoma, and primary cutaneous marginal zone lymphoma. He consults in Turkish and English and offers online video consultation.

Prof. Enis Özyar is a Professor of Radiation Oncology with a medical degree from Hacettepe University Faculty of Medicine (2003). He brings extensive clinical and leadership experience, including work with Acıbadem Health Group since 2008. His clinical focus and research are centered on therapeutic radiology and oncology, and he is actively involved in cancer prevention and treatment initiatives.

Professor Özyar is a member of numerous national and international professional organizations, including the Radiation Oncology Society, Turkish Cancer Research and Fighting Organization, Turkish Oncology Society, Hacettepe Oncology Institute Association, Oncology Institute Foundation, Balkan Union of Oncology, the European Society for Therapeutic Radiology and Oncology (ESTRO), and the American Society for Therapeutic Radiology and Oncology (ASTRO). Committed to advancing patient care and oncology research, he combines academic expertise with practical experience to improve treatment outcomes and promote multidisciplinary collaboration in cancer care.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Radiation therapy for cancerTherapeutic radiologyPrimary thyroid lymphomaNasopharyngeal carcinomaT4N0M0 nasopharyngeal carcinomaPediatric nasopharyngeal carcinomaYoung adult nasopharyngeal carcinomaChildhood Hodgkin lymphomaPrimary cutaneous marginal zone lymphoma
Background

Education

  • 2003Hacettepe University Faculty of Medicine / Professor
  • 1997Hacettepe University Faculty of Medicine / Associate Professor
  • 1993Hacettepe University Faculty of Medicine Radiation Oncology
  • 1979–1985Ankara University Faculty of Medicine
Career

Professional Experience

  • 2008Acibadem Health Group
  • 1987–2008Department of Radiation Oncology, Hacettepe University Faculty of Medicine
  • 1985–1987Ministry of Labor and Social Security, Compulsory Service , Ankara
  • 1985–1987Istanbul University Istanbul Faculty of Medicine Department of Anesthesiology and Reanimation
Affiliations

Professional Memberships

  • Radiation Oncology Society
  • Turkish Cancer Research and Fighting Organization
  • Turkish Oncology Society
  • Hacettepe Oncology Institute Association
  • Oncology Institute Foundation
  • Balkan Union of Oncology
  • European Society of Therapeutic Radiology and Oncology
  • American Society of Therapeutic Radiology and Oncology
Research

Selected Publications

  • Treatment results and prognostic factors in primary thyroid lymphoma patients: a rare cancer network study. Onal C, Li YX, Miller RC, Poortmans P, Constantinou N, Weber DC, Atasoy BM, Igdem S, Ozsahin M, Ozyar E. Ann Oncol. 2011 Jan;22(1):156-64
  • Prognostic significance of tumor volume in nasopharyngeal carcinoma. Sarisahin M, Cila A, Ozyar E, Yildiz F, Turen S. Auris Nasus Larynx. 2011 Apr;38(2):250-4
  • T4N0M0 nasopharyngeal carcinoma patients: do they have a distinct tumor biology? Atasoy BM, Ozyar E, Akman F, Esassolak M, Abacioğlu U. Kulak Burun Bogaz Ihtis Derg. 2010 Mar-Apr;20(2):89-96
  • Isolated hypoglossal nerve paralysis: a case report. Beriat GK, Ezerarslan H, Kocatürk S, Özyar E. Kulak Burun Bogaz Ihtis Derg. 2010 Jul-Aug;20(4):205-9
  • Symmetrical primary cutaneous marginal zone lymphoma associated with rheumatoid arthritis. J Cutan Pathol. 2010 May;37(5):600-4 Yildirim FE, Karaduman A, Hürmüz P, Ozyar E, Barishta I, Saglam A.
  • Pediatric and young adult nasopharyngeal carcinoma patients treated with preradiation Cisplatin and docetaxel chemotherapy. Int J Radiat Oncol Biol Phys. 2009 Mar 15;73(4):1116-20 Varan A, Ozyar E, Corapcioglu F, Kosal Y, Aydin B, Yazici N, Akyuz C, Buyukpamukcu M.
  • The treatment of childhood Hodgkin lymphoma: improved survival in a developing country. Büyükpamukçu M, Varan A, Akyüz C, Atahan L, Ozyar E, Kale G, Köksal Y, Kutluk T. Acta Oncol. 2009;48(1):44-51
  • Pediatric and young adult nasopharyngeal carcinoma patients treated with preradiation Cisplatin and docetaxel chemotherap Int J Radiat Oncol Biol Phys. 2009 Mar 15;73(4):1116-20 Varan A, Ozyar E, Corapcioglu F, Kosal Y, Aydin B, Yazici N, Akyuz C, Buyukpamukcu M.
  • Bimodal age distribution in Hodgkin’s disease and nasopharyngeal carcinoma Barista I, Varan A, Ozyar E. Med Hypotheses. 2007;68(6):1421. Epub 2006 Dec 29
Good to Know

Frequently Asked Questions

What is Dr. Enis Özyar's specialty?
Dr. Enis Özyar is a specialist in Radiation Oncology at Acibadem. For a personalised assessment, the Acibadem international patient team can review your medical history and reports and explain the suitable next steps.
Which hospital does Dr. Enis Özyar practise at?
Dr. Enis Özyar sees patients at Acibadem Maslak Hospital in İstanbul. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. Enis Özyar?
Consultations with Dr. Enis Özyar are supported in Turkish and English. In addition, Acibadem provides multilingual coordination and interpreter support so international patients can communicate clearly throughout their care.
How can I book an appointment with Dr. Enis Özyar?
You can request an appointment with Dr. Enis Özyar using the appointment form on this page, or by contacting the Acibadem international patient team by phone or WhatsApp. After you share your details, the team checks availability and confirms your appointment, usually within 24 hours.
Is an online video consultation available with Dr. Enis Özyar?
Yes. Dr. Enis Özyar offers online video consultations, so you can discuss your condition and reports with the specialist before making any travel arrangements. The international patient team can help you schedule a secure video visit.
How many years of experience does Dr. Enis Özyar have?
Dr. Enis Özyar has around 41 years of professional experience in Radiation Oncology. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. Enis Özyar?
Yes. Acibadem supports international patients end to end — from the first consultation and treatment planning through appointment scheduling, interpretation during the stay and follow-up after returning home. Sharing your case for an initial assessment is free of charge.
How do I get a second opinion involving Dr. Enis Özyar?
You can request an independent review of your diagnosis and proposed treatment. Share your medical reports through the consultation or "Ask a Doctor" form on this site, and the team will arrange a specialist review and explain the available options.
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