28 Best Gamma Knife Doctors in Istanbul

Dr. Ahmet Hilmi Kaya is a professor of neurosurgery at Anadolu Medical Center in Istanbul. He specializes in functional neurosurgery and deep brain stimulation (DBS) for movement disorders. Dr. Kaya previously led a Parkinson’s disease research project at Ondokuz Mayıs University. He earned the Aysima Altınok Thesis Award from the Turkish Neurosurgical Society.

• Performs complex brain tumor removals and skull base surgeries.
• Treats spinal conditions including tumors, stenosis, and herniated discs.
• Completed specialized observerships in cellular neuroscience at Maastricht University.
• Works at Anadolu Medical Center, an affiliate of Johns Hopkins Medicine.

Dr. Mustafa Sakar is a neurosurgeon at Memorial Göztepe Hospital in Istanbul. He specializes in pediatric neurosurgery and tumor surgery. Dr. Sakar completed a corner tumor surgery observership at the University of Tübingen, Germany. He also trained in fetal spina bifida surgery at HCor in São Paulo, Brazil.

• Member of the International Society for Pediatric Neurosurgery (ISPN).
• Member of the European Association of Neurosurgical Societies (EANS).
• Active in the Turkish Neurosurgical Society Pediatric Neurosurgery group.
• Practices at Memorial Göztepe, which features AI-supported 3 Tesla MRI technology.

Professor Mehmet Tonge is a leading stereotactic specialist who has contributed to 12 textbooks on neuromodulation and brain mapping. He leads complex functional neurosurgery cases at Medipol University Parkinson’s and Movement Disorders Centre.

• Completed the full four-year European Association of Neurosurgical Societies training cycle
• Holds memberships in the International Stereotactic Radiosurgery Society and Leksell Gamma Knife Society
• Specialises in MR-Guided Focused Ultrasound for incisionless surgical options
• Authored 32 international publications on subthalamic nucleus stimulation and electrode positioning
• Former consultant at the Istanbul Florence Nightingale Hospital Gamma Knife Centre

The doctor is a member of the Turkish Neurosurgery Association, the Turkish Spine Association, and AOSpine. With an academic background from Marmara University in Turkey and further training at Yale School of Medicine in the USA, the doctor is well-versed in neurosurgery and spine-related medical practices.

Professor Mehmet Osman Akcakaya is a highly specialized neurosurgeon who completed a prestigious clinical fellowship in stereotactic and functional neurosurgery at Hannover Medical School in Germany.

• Specialises in precise Gamma Knife radiation for complex brain conditions
• Expert in microsurgery of peripheral nerves following advanced training in Tel Aviv
• Professor at Demiroglu Bilim University Medical Faculty, training the next generation of surgeons
• Leads the neurosurgery team at the JCI-accredited Florence Nightingale Hospital
• Maintains a strong focus on functional neurosurgery and neurological restoration

Dr. Sinan Karaaslan is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in treating breast, colorectal, and urogenital system cancers. Dr. Karaaslan brings clinical expertise from major institutions, including Medical Park and Gülhane Military Medical Academy. He works at a hospital affiliated with the Johns Hopkins Hospital.

• Holds personal certification from the European Society for Medical Oncology.
• Treats complex conditions, including stage 4 colon and lung cancers.
• Member of the Turkish Medical Oncology and Turkish Lung Cancer societies.
• Performs systemic therapies such as immunotherapy, targeted therapy, and chemotherapy.

Dr. Zuleyha Akgun is a radiation oncology specialist at Memorial Şişli Hospital in Istanbul. She focalizes on cancer treatment using targeted radiation therapy. Dr. Akgun has practiced at some of Turkey’s most active medical institutions since 2003. She serves patients at a JCI-accredited facility recognized for its high medical safety standards.

• Practices at Memorial Şişli Hospital, the first Turkish hospital to earn JCI accreditation.
• Completed a research residency at Marmara University Faculty of Medicine.
• Treats patients in a specialized oncology center that attracts international cases from 160+ countries.
• Previously served as a specialist at Erzurum Regional Training and Research Hospital.

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.

Professor Mehmet Osman Akcakaya is a European Board-certified neurosurgeon at Istanbul Florence Nightingale Hospital who specialises in stereotactic and functional neurosurgery.

• Completed a clinical fellowship in stereotactic surgery at Hannover Medical School in Germany
• Board Certified by the European Association of Neurosurgical Societies (EANS)
• Specialises in treating brain tumours, epilepsy, and movement disorders
• Serves as Professor at the Demiroglu Bilim University Medical Faculty
• Recognised with the Best Oral Presentation award by the Nervous System Surgery Society

Professor Turker Kilic was the first Turkish surgeon trained in Gamma Knife at Sweden's Karolinska Institute, bringing world-standard radiosurgery expertise to Istanbul.

• Performed over 5,000 Gamma Knife procedures for brain tumours and vascular malformations
• Completed a neuro-oncology research fellowship at Harvard Medical School
• Received the Aesculap Research Prize for his outstanding work in European neurosurgery
• Member of the International Gamma-Knife Society and the American Association of Neurological Surgeons

Professor Topcular specialises in complex movement disorders and dementia at Istanbul Florence Nightingale Hospital. He coordinates precise Gamma Knife treatments as part of a multidisciplinary neurosurgical team.

• Serves as a faculty member at Istanbul Bilim University Department of Neurology
• Expert in molecular neuroimaging using Brain PET for precise diagnostic mapping
• Oversees stereotaxic surgeries and deep brain stimulation protocols
• Trained as a researcher at the University of Basel in Switzerland
• Manages complex cases of Parkinson's disease, dystonia, and essential tremor

Associate Professor Ramazan Sari is a highly skilled neurosurgeon currently based at Istanbul Florence Nightingale Hospital. He completed an accreditation programme with the European Association of Neurosurgical Societies to maintain high standards in brain surgery.

• Held academic teaching roles at Medipol University and Eurasia University
• Specialises in precise Gamma Knife radiosurgery for brain tumours and vascular malformations
• Helped establish the Department of Neurosurgery at Medipol University
• Member of the European Association of Neurosurgical Societies (EANS)

Professor Baran Yil is a highly credentialed neurosurgeon who completed a prestigious Cerebrovascular Research Fellowship at the Yale School of Medicine in the USA.

• Performed over 1,100 successful treatments at Valued Med Hub Hospitals
• Awarded First Prize by the Turkish Neurosurgery Society for his work as a young neurosurgeon
• Specialises in neuro-radiology and skull-base procedures
• Holds international memberships with AOSpine and the Turkish Spine Association
• Instructor for advanced skull-base anatomy and deep brain stimulation courses

Professor Salih Murat Imer is a highly specialised neurosurgeon who completed advanced training in treatment for vestibular schwannomas and skull base tumours using the Leksell Gamma Knife in France.

• Holds a professorship in neurosurgery and founded the neurosurgery department at Okan University Hospital.
• Trained in functional disorders and radiosurgery at the Timone University Hospital in Marseille.
• Certified by the European Association of Neurosurgical Societies following a five-year specialist training cycle across Europe.
• Contributed to over 60 published peer-reviewed medical articles and nine book chapters on neurosurgical techniques.
• Practices at Istanbul Florence Nightingale Hospital, a facility known for taking on complex neurological cases.

Professor Kenan Kapici is the former Head of Neurosurgery at Altinbas University, where he trained the next generation of brain surgeons. He brings meticulous precision to Gamma Knife cases at Valued Med Hub Hospitals.

• Completed specialist microsurgery training at GATA Military Medical Faculty
• Master of Health Institutions Management from Beykent University
• Member of the Turkish Neurosurgery Association and Spine Society of Europe
• Former Clinic Chief at Kasimpasa Marine Hospital Neurosurgery Department
• Specialises in neuroanatomy and complex spine surgery techniques

Associate Professor Mustafa Yavuz Samanci is a highly specialised neurosurgeon who completed a dedicated clinical fellowship in Gamma Knife Radiosurgery at the Koç University School of Medicine.

• Completed advanced Gamma Knife training in Miami, USA, focusing on the latest ICON and Esprit systems
• Serves as the Secretary of the Turkish Neuromodulation Society, leading developments in functional neurosurgery
• Active member of the International Parkinson and Movement Disorder Society and the European Association of Neurosurgical Societies
• Holds a PhD in Neuroscience from Maastricht University in the Netherlands, bringing deep research expertise to patient care

Professor Halil Can is a senior neurosurgeon at İstinye University Liv Hospital Topkapı specialising in functional neurosurgery and complex brain tumour management.

• Expert in stereotactic and functional neurosurgery for managing tumours and neurological conditions
• Published 21 international peer-reviewed papers on surgical safety and anatomical working zones
• Specialises in transnasal endoscopic skull base surgery to remove tumours without large incisions
• Experienced in treating metastatic lesions and glial tumours using microsurgical techniques
• Leads research into neuro-oncology and surgical outcomes at a major university hospital