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Gorkem Turkkan
Top Doctor
17
years of experience

Gorkem Turkkan

  • Leading doctor for Brachytherapy
  • Specialization: Radiation oncologist
  • 17 years of experience
  • Speaks:
    English, Turkish
  • Online consultations: available
  • Workplace: Turkey, Istanbul, Hisar Hospital Intercontinental
  • Over 2,500 radiotherapy sessions have been successfully completed using the advanced MR-Linac device.

    Dr. Gorkem Turkkan is a radiation oncologist at Hisar Hospital Intercontinental in Istanbul. He has successfully completed over 2,500 radiotherapy sessions using MR-Linac technology. Dr. Turkkan focuses on MRI-guided radiotherapy and stereotactic treatments for various cancers. He conducted clinical research on proton therapy at the MAASTRO Clinic in the Netherlands.

    • Specializes in prostate, breast, lung, and head and neck cancer treatments.
    • Uses VMAT and IMRT techniques to target tumors with precision.
    • Maintains membership in the European Society of Radiotherapy and Oncology.
    • Works at a JCI-accredited hospital serving 500,000+ patients annually.

Explore package deals with Dr. Gorkem Turkkan

Brachytherapy

MR-Linac Needle-Free Brachytherapy for Cervical, Endometrial & Prostate Cancer — Up to 5 Sessions

$3,850
/
per package

Needle-Free Operative Brachytherapy — Up to 5 MR-Linac Sessions with Personalized Radiation Plan

$3,850
/
per package
The package includes a standard range of medical services offered by the clinic and additional benefits like accommodation, transfer, etc.

Online consultation with Gorkem Turkkan

Convenient and easy
100% secure and confidential
Price on request
4.6
Excellent score
20 patient verified reviews
1 star
0%
2 stars
5%
3 stars
10%
4 stars
5%
5 stars
80%

Patient reviews

About clinic Hisar Hospital Intercontinental
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1-5 of 20 reviews
Anonymous • Consultation with a mammologist
Turkey
Jun 13, 2026
Verified review.
It was the right choice
What worried me most was the uncertainty and what the treatment plan would be. But my fears were put to rest after the very first consultation. The doctor was very attentive and explained everything in detail and calmly, which immediately put me at ease. I really appreciate that approach. All the staff at the clinic were responsive and supportive at every stage. The clinic itself made a good impression; everything is well organised. I am currently in the recovery phase and feel much calmer, having a clear understanding of the next steps. It was the right choice.
Everything was great
Sergei • Сomplex oncology diagnostic
Moldova
Jun 26, 2026
Verified review.
Hisar Hospital is a clinic staffed by professionals who carry out their work to the highest standard;
Hisar Hospital is a clinic staffed by professionals who carry out their work to the highest standard; special thanks go to Dr Taifun Apuhan for his professionalism. Special thanks also go to the staff and the interpreter, ‘Rabiya’ – everything was of the highest standard.
Mykola Drozd • PET-CT with Gallium 68(PSMA)
Ukraine
Aug 17, 2025
Verified review.
I am very grateful to the Bokimed team for their care, organisation and truly individual approach
I turned to Bokimed to organise a trip to Turkey for medical diagnostics. The company proved to be a reliable partner: they helped me at every stage - from preparing the trip to accompanying me on the spot. Thanks to the attentive customer service, all issues were resolved quickly and professionally. The diagnostics were carried out with high quality, and I felt supported throughout the entire process. I am very grateful to the Bokimed team for their care, organisation and truly individual approach. I recommend the company to anyone looking for reliable assistance in medical trips abroad.
Quality of the survey
A somewhat assembly-line approach
Anonymous • Biopsy
Kyrgyzstan
Nov 10, 2024
Verified review.
I would like to thank the clinic and all the medical staff for the help provided and for the sensitive attitude towards each client
Very pleased with the attitude towards patients. The staff was polite and courteous. They responded quickly to all my needs. They suggested the best alternative treatment and were very tactful during the operation. The operation was done under local anaesthesia, and painkillers have very little effect on me, but the doctor was very sensitive and understanding of my condition and patiently waited and increased the dose of anaesthesia until the action started. And during the whole operation constantly asked about my condition and even on small reactions of pain, which were reflected apparently in my face immediately responded. And the assistants (nurses) were close by, giving emotional support. I would especially like to mention the attitude of the interpreter Rabia, who was always in touch with me throughout my stay and answered at any time of the day, despite the workload I saw. This is very human of her when you don't know anything and don't know the language. I would like to thank the clinic and all the medical staff for the help provided and for the sensitive attitude towards each client.
The clinic is located in a very convenient neighbourhood. And the clinic itself provides a huge range of services. Everything is within walking distance. The wards are clean, comfortable and with all the facilities.
About Bookimed service
It was my first experience of treatment abroad and I am very glad that I chose this clinic. I really liked the attitude of the Bookimed team, who were also in touch with me all the time. And when I had a misunderstanding with the clinic on the first day, they responded immediately. I would like to thank Bookimed for this opportunity and for giving me a choice of clinics.
Борис • CyberKnife
Ukraine
Mar 4, 2024
Verified review.
The consultation with the doctor was easy and instilled confidence and calm
Everything is fine. There was a slight delay in the transfer upon arrival at the airport. Then they arrived promptly, the drivers were polite, the cars were clean. The hotel is a little far away, but nice, spacious room, clean. There were not enough slippers in the hotel, otherwise everything was fine, the staff was helpful. I underwent PET CT diagnostics with gallium 68, the examination was carried out perfectly. Special thanks to the coordinators of Bookimed and the clinic, and the translator. The consultation with the doctor was easy and instilled confidence and calm. It would be nice to get a translation of the conclusion in Russian or English right away.
Service, competence, translator, speed of examination
Transfer upon arrival, no conclusion in Russian
About Bookimed service
My first experience. I liked the coordinators’ quick response and attentiveness. Everything went well.
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Qualifications

Assoc. Prof. Gorkem Turkkan is a radiation oncology specialist at Hisar Hospital Intercontinental in Istanbul. He has completed over 2,500 radiotherapy sessions using the MR-Linac device. Dr. Turkkan specializes in MRI-guided radiotherapy and stereotactic treatments for various cancers.

Specialization and Advanced Techniques

Dr. Turkkan focuses on precision radiation therapy for breast, lung, and prostate cancers. He performs stereotactic radiotherapy and MRI-guided treatments. These techniques allow for real-time imaging of tumors during the procedure. High-precision imaging improves accuracy and protects surrounding healthy tissues.

The specialist also uses Volumetric Arc Therapy (VMAT) and Intensity Modulated Radiotherapy (IMRT). These technologies help him treat head, neck, and brain cancers. His work includes treating lung toxicity related to thoracic radiotherapy and administering proton therapy. He treats various conditions including rectal, esophageal, and pancreatic cancers.

Work Experience

  • 2023–Present — Radiation Oncology Specialist — Hisar Hospital Intercontinental
  • 2021–2023 — Assoc. Prof. — Liv Hospital Ulus and Istinye University
  • 2020 — Clinical Researcher — MAASTRO Clinic, Maastricht University, Netherlands
  • 2019–2021 — Head of Department — Mugla Sitki Kocman University
  • 2016–2019 — Radiation Oncology Specialist — Compulsory state service

Education and Academic Training

Dr. Turkkan taught undergraduate courses at Mugla Sitki Kocman University and postgraduate courses for Ear Nose and Throat specialization. He also taught radiotherapy courses at Istinye University Vocational School of Health Services.

  • 2003 — Gulhane Military Medical Academy — Undergraduate medical studies
  • 2009 — Bulent Ecevit University — Medical degree completion
  • 2016 — Trakya University — Specialization in Radiation Oncology
  • 2023 — Received the title of Associate Professor

Research and Publications

Dr. Turkkan is active in medical research with 27 articles in domestic and international journals. He has contributed to 5 medical book chapters published by national and international houses. The specialist has presented 31 oral and poster presentations at professional congresses. He is currently conducting two research projects supported by the TUBITAK agency.

Professional Memberships

  • European Society of Radiotherapy and Oncology (ESTRO)
  • Turkish Society of Radiation Oncology (TROD)

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