Best Gamma Knife Doctors Abroad for Australian Patients

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.

Dr. Siriporn Cheawchanwej is an aesthetic physician at Somchai Clinic in Bangkok. She has performed over 15,000 procedures throughout her career. She holds a Diploma in Aesthetic Medicine from the American Academy of Aesthetic Medicine. Dr. Cheawchanwej completed specific training in facial design at Mae Fah Luang University.

• Specializes in rhinoplasty, facial fat transfer, and neck lift surgery.
• Completed international training in botulinum toxin and minimal invasive surgery in Seoul.
• Performs FUE hair transplants and Vaser liposuction.
• Treats 10,000 patients annually at Somchai Clinic alongside a team of specialists.

Dr. Mehmet Tonge is a stereotactic and functional neurosurgeon at Medipol University PARMER in Istanbul. He specializes in deep brain stimulation and Gamma Knife radiosurgery. Dr. Tonge completed a fellowship in Deep Brain Stimulation at Maastricht University in the Netherlands. He treats movement disorders, chronic pain, and epilepsy.

• Member of the World and European Stereotactic & Functional Neurosurgery Societies.
• Author of over 30 international publications and 12 book chapters on neurosurgery.
• Expert in MR-guided focused ultrasound (MRgFUS) for movement disorder treatment.
• Executive board member for the Deep Brain Stimulation and Movement Disorders Surgery Society.

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

Professor Hasan Ozgur Ozdemir earned first place in the Turkish Neurosurgical Society Proficiency Exam, marking him as a top-tier specialist in his field.

• Specialises in endoscopic brain surgery and vascular operations for aneurysms
• Extensive background in treating brain and spine tumours at Medical Park Antalya
• Completed advanced training in minimally invasive surgery techniques
• Member of the Turkish Neurosurgical Society and the Turkish Medical Association
• Former Associate Professor at Baskent University Department of Neurosurgery

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.

Dr. Mehmet Osman Akcakaya is a professor of neurosurgery at Istanbul Florence Nightingale Hospital. He specializes in minimally invasive spine and brain surgery. He completed elite clinical fellowships in Germany and Israel. Dr. Akcakaya holds the European Board of Neurosurgery (EANS) certification.

• Performs deep brain stimulation (DBS) for Parkinson’s disease and functional disorders.
• Expert in microneurosurgery for brain tumors, cysts, and nerve reconstruction.
• Winner of the Second Prize for Best Oral Presentation from the Nervous System Surgery Society.
• Serves on the scientific committee for international endoscopic spine surgery courses.

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 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

Dr. Baris Topcular is a neurologist at Istanbul Florence Nightingale Hospital. He focuses on dementia, movement disorders, and multiple sclerosis. He trained at the University of Basel in Switzerland. He also works in the molecular neuroimaging department for PET scans. Dr. Topcular treats patients at a JCI-accredited smart hospital in Turkey.

• Specialize in botulinum toxin applications for movement disorders.
• Performs neuropsychological assessments and molecular brain imaging.
• Treats complex conditions like Parkinson's disease and dystonia.
• Manages neurodegenerative diseases using stem cell therapy protocols.

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)