Best Brain Biopsy Doctors Abroad

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. Ramazan Sari is an Associate Professor of Neurosurgery at Istanbul Florence Nightingale Hospital. He helped establish the Department of Neurosurgery at Medipol University. Dr. Sari handles complex cases involving brain tumors, pituitary adenomas, and spinal stenosis. He participated in the accreditation process for the European Association of Neurosurgical Societies.

• Specializes in transnasal tumor resection and robotic spine surgery.
• Performs deep brain stimulation for Parkinson’s disease and epilepsy surgery.
• Expert in Gamma Knife and CyberKnife radiosurgery for brain conditions.
• Treats cerebral aneurysms, cavernomas, and arteriovenous malformations.

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.

Dr. Viola Fox is the Chief Physician at the Clinic for Oncology in Solingen. She is a leading expert in drug therapy for tumors in Germany and Europe. Dr. Fox holds a qualification in specialist genetics and conducts molecular biology research. She treats complex cases at a certified interdisciplinary cancer center.

• Member of the American Association for Cancer Research.
• Specializes in immunotherapy, targeted therapy, and molecular diagnostics.
• Treats hematological diseases, including lymphoma, leukemia, and myeloma.
• Works at Städtisches Klinikum Solingen, a clinic ranked among the top in Germany.

Dr. Marcel Dihne is the Chief Physician of Neurology at the Academic Hospital Solingen. He is a recipient of the Research Award from the Christian and Claudia Hempel Foundation. Dr. Dihne specializes in epilepsy, stroke treatment, and the regeneration of the nervous system. He has authored numerous publications in leading European medical journals.

• Served as the Head of Neurology at St. Lukas Klinik Solingen for 10 years.
• Treats complex conditions like Parkinson’s disease, multiple sclerosis, and chronic pain.
• Performs specialized procedures including vagus nerve stimulation and video-EEG monitoring.
• Works at an academic hospital ranked among the top clinics in Germany by Focus magazine.

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.

Dr. Salih Murat Imer is a neurosurgeon at Istanbul Florence Nightingale Hospital. He founded and led the Neurosurgery Department at Okan University Hospital. Dr. Imer holds certifications in Gamma Knife radiosurgery and endoscopic spine surgery. He specializes in treating brain tumors, aneurysms, and spinal stenosis.

• Published 68 scientific articles and contributed to 9 medical book chapters.
• Completed training at the European Association of Neurosurgical Societies.
• Obtained specialized training in Gamma Knife radiosurgery in Marseille, France.
• Works at a JCI-accredited "Smart-and-Green" hospital in Istanbul.

Dr. Roberto Hernandez-Pena is a neurosurgeon at Hospital de la Familia in Mexicali. He completed a fellowship in neurology and neurosurgery in Phoenix, Arizona. Dr. Hernandez-Pena operates alongside Dr. Nestor Rodriguez as a specialized two-surgeon team. Together, they have performed neurosurgical procedures for over 18 years.

• Treats complex conditions like spinal stenosis, brain tumors, and herniated disks.
• Performs specialized surgeries including discectomy and laminectomy.
• Works at a facility accredited by the General Health Council of Mexico.
• Practices at a clinic featured in The New York Times and CNN.

Dr. Roberto Hernandez is a neurosurgeon at Hospital de la Familia in Mexicali, Mexico. He performs between 30 and 60 neurological surgeries every month. He completed his medical training in the United States and Canada. Dr. Hernandez specializes in complex brain and spine interventions.

• Operates at a facility accredited by the General Health Council of Mexico.
• Performs deep brain stimulation (DBS) and stem cell therapy.
• Treats chronic spinal pain, multiple sclerosis, and neurodegenerative diseases.
• Practices at a boutique hospital located 200 yards from the US-Mexico border.

Dr. Baran Yil is a neurosurgeon at Valued Med Hub Hospitals in Istanbul. He completed a Cerebrovascular Research Fellowship at the Yale School of Medicine. Dr. Yil treats complex conditions like brain tumors, aneurysms, and spinal stenosis. He specializes in both adult and pediatric neurosurgery.

• Winner of the Young Neurosurgeon Encouragement First Prize.
• Served as an instructor for the skull base anatomy course series.
• Member of the Turkish Neurosurgery Association and AOSpine.
• Performs specialized procedures including Gamma Knife and deep brain stimulation.

Professor Nurperi Gazioglu is a leading neurosurgeon at Istanbul Florence Nightingale Hospital. She possesses specialized expertise in endoscopic neurosurgery for complex skull base and pituitary cases.

• Trained at Istanbul University Cerrahpasa Faculty of Medicine – a premier Turkish medical institution
• Completed advanced neurosurgery training through the European Association of Neurosurgical Societies (EANS)
• Specializes in endoscopic techniques for brain biopsy and tumor evaluation
• Studied epilepsy surgery and localized brain anatomy at major university research centers
• Trained in neurosurgery at top French hospitals including Necker–Enfants Malades and Lariboisière

Dr. Tural Rahimli is a neurosurgeon educated at Azerbaijan Medical University (Bachelor of Medicine, 1999–2005). He completed a neurosurgery residency at Hacettepe University Hospital (2008–2014).

Clinical expertise: brain tumors, epilepsy surgery, endoscopic pituitary surgery, skull base tumors, arteriovenous malformations, spinal cord tumors, pediatric neurosurgery.

Professional memberships: North American Skull Base Society (NASBS), Hacettepe University Alumni Association, Azerbaijan Neurosurgical Society, European Association of Neurosurgical Societies (EANS).

Work experience: Medistyle Hospital (2014–2016); DTX Hospital (2016–2018); Baku Medical Plaza Hospital (2018–2024); Republic Diagnostic Centre (2024–2025).

Dr. Saban Sec is a medical oncologist at Valued Med Hub Hospitals in Istanbul. He treats breast, lung, gastrointestinal, and rare tumors. Dr. Sec currently represents specialist physicians in the Turkish Medical Oncology Association. He conducted a significant clinical study involving 138 patients with HER2-positive gastric cancer.

• Expertise covers colorectal, prostate, urogenital, head, neck, and salivary gland cancers.
• Authored over 10 peer-reviewed articles on cancer prognosis and survival rates.
• Member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.
• Treats patients at a clinic holding the International Health Tourism Authorization Certificate.

Prof. Constantini won the Mahaly Best Clinical Research Award for neurosurgery. He directs the pediatric neurosurgery department at Sourasky Medical Center.

• Performs brain biopsy for complex tumors like glioblastoma and medulloblastoma
• Uses the Da Vinci Robotic System for high-precision surgical diagnostics
• Holds a Hirsch index of 29 for his extensive scientific publications
• Completed international fellowships in microneurosurgery and advanced neuro-endoscopy
• Member of the International Society of Pediatric Neurosurgery

Dr. Kenan Kapici is a neurosurgeon at Valued Med Hub Hospitals in Istanbul. He specializes in spine surgery and complex brain tumor removal. Dr. Kapici served as the Head of the Neurosurgery Department at Altinbas University. He has held senior leadership roles at Kasımpaşa Marine Hospital and GATA Haydarpaşa Training Hospital.

• Performs deep brain stimulation (DBS), discectomy, and brain aneurysm repair.
• Treats pediatric conditions including hydrocephalus and spina bifida.
• Is a member of the Spine Society of Europe and the Turkish Neurosurgery Association.
• Completed specialized training in microsurgery and neuroanatomy.
• Works at a clinic holding an International Health Tourism Authorization Certificate.

Dr. Tural Rajabov is a neurosurgeon. He treats brain and spinal cord tumors, CNS trauma, and hydrocephalus. He also performs endoscopic skull base surgery, spinal surgery, and peripheral nerve surgery.

Training: Tbilisi State Medical University, Faculty of Medicine (2010–2016). Internship in Neurosurgery, Innova Medical Centre, Tbilisi (2016–2018). Residency in Neurosurgery, Azerbaijan Medical University (2019–2024).

Professional memberships: North American Skull Base Society (NASBS), European Association of Neurosurgical Societies (EANS), and Azerbaijan Association of Neurosurgeons (ANEA). He is affiliated with Baku Medical Plaza Hospital in Baku, Azerbaijan.

Dr. Yusuf Acikgoz is a medical oncologist at Lokman Hekim University Ankara Hospital. He specializes in treating complex cancers, including lung, breast, and liver malignancies. He completed a fellowship at Ohio State University in the United States. Dr. Acikgoz manages treatments like chemotherapy, radioembolization, and immunotherapy.

• Member of the American Society of Clinical Oncology (ASCO).
• Assistant Investigator for Phase III clinical trials, including the CheckMate-649 study.
• Certified in Good Clinical Practice and Human Subjects Protection at Ohio State University.
• Performs diagnostic procedures like biopsy, gastroscopy, and tumor marker testing.