Best Brain Cancer doctors in Istanbul: TOP 18 doctors

Dr. Bülent Karagöz has over 20 years of experience in medical oncology, specializing in tumor biology and immunotherapy for brain cancer at Anadolu Medical Center.

• Professor of Medical Oncology at Istanbul Okan University
• Former head of Medical Oncology at GATA Haydarpaşa Training Hospital
• Published over 40 research papers on cancer treatments
• Member of the Turkish Medical Oncology Association

Ranked 3rd in Turkey for medical oncology – Dr. Tanrikulu specializes in brain cancer treatment at Anadolu Medical Center.

• Over 15 years of experience in medical oncology
• Completed specialty training at Marmara University
• Led international clinical studies in oncology
• Former head of medical oncology at Haydarpaşa Numune Hospital

Dr. Keskin has performed over 900 oncology procedures, including brain tumor surgery. He brings nearly three decades of medical oncology expertise to Memorial Şişli Hospital.

• Over 24 years of specific oncology experience
• Specialist in personalized therapy, chemotherapy, and immunotherapy
• Completed his oncology fellowship at Istanbul University Institute of Oncology
• Top national ranking on Turkey's Medical Oncology Proficiency Exam
• Active member of both ASCO and ESMO international societies

Dr. Mustafa Solak has 16 years of oncology experience, specializing in complex cancer cases at Hisar Hospital Intercontinental.

• Fellowship-trained at Hacettepe University Cancer Institute
• Worked at The University of Texas MD Anderson Cancer Center
• Specializes in breast, lung, and gastrointestinal cancers
• Completed advanced training at İstanbul Sisli Etfal Teaching Hospital

Dr. Rahib Hasanov specializes in personalized oncology treatments, integrating immunotherapies and targeted therapies for optimal patient outcomes at Hisar Hospital Intercontinental.

• Completed Medical Oncology fellowship at Marmara University
• Trained in advanced oncology practices at Houston Methodist Hospital
• Specializes in gastrointestinal, breast, lung, and urogenital cancers
• Offers modern treatment methods like smart drugs and targeted therapies

Dr. Nejat Akalan is a leading neurosurgeon with over 35 years of experience in brain and spine surgery. He specializes in procedures for epilepsy, gliomas, and other complex neurological conditions.

• Performs epilepsy surgery for children as a key specialty
• Uses advanced techniques like the O-arm and iMRI during operations
• Published 117 scientific papers and contributed to a major neurosurgery textbook
• Treats a full spectrum of brain and nerve disorders

Dr. Yildiz is an oncologist focused on research, ensuring his patients benefit from the latest scientific knowledge for complex cases.

• Specializes in treating rare and unusual cancer cases
• Author of 17+ articles on oncology in international journals
• Works at Medipol Mega University Hospital, a major university center

Prof. Sezer Sağlam specializes in brain cancer treatment at Gayrettepe Florence Nightingale Hospital, with over 15 years of experience in medical oncology.

• Professor in Medical Oncology since 2016
• Member of ESMO, ASCO, and ENET
• Trained at Istanbul University's Medical Faculty
• Expert in gastrointestinal oncology

Professor Doctor Sefik Igdem specializes in radiation oncology with advanced technologies like Truebeam Stx and Halcyons at Gayrettepe Florence Nightingale Hospital.

• Over 30 years of experience in radiation oncology
• Expert in conformal treatments for precise radiation therapy
• Specializes in head and neck cancers
• Professor at T.R Demiroğlu Bilim University

Assoc. Prof. Dr. Abdullah Sakin leads the Medical Oncology Department at Medipol Bahçelievler Hospital, with extensive experience in brain cancer treatment.

• Headed Medical Oncology at Yüzüncü Yıl University Faculty of Medicine
• Trained at Istanbul Okmeydanı Training and Research Hospital
• Specialized in Medical Oncology with a focus on brain tumors
• Over a decade of experience in oncology and internal medicine

Dr. Tahsin Ozadli is a medical oncologist with expertise in lung, esophageal, and gastric cancers, as well as breast cancer and gastrointestinal surgery.

• Specialized in medical oncology at Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital
• Experience at Ankara Oncology Hospital and Erzurum Regional Training and Research Hospital
• Graduated from Selcuk University Meram Faculty of Medicine

Associate Professor Tahsin Ozatli specializes in treating breast, lung, and gastrointestinal cancers at Istinye Liv University Hospital.

• Experienced in medical oncology at multiple Turkish hospitals
• Previously worked at Ankara Oncology Clinic
• Promoted to Associate Professor in 2016

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

Professor Gul Alco is a radiation oncology expert at Istanbul Medipol University with over 20 years of experience.

• Specializes in radiation oncology for brain cancer
• Professor at Demiroglu Bilim and Medipol Universities
• Graduated from Istanbul University School of Medicine

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

Professor of Medical Oncology since 2016, Dr. Sezer Saglam specializes in gastrointestinal cancers and leads oncology services at Florence Nightingale Hospital.

• Over 20 years of focused experience in medical oncology
• Fellowship-trained at Istanbul University Oncology Institute
• Active member of ESMO, ASCO, and ENET societies
• Specializes in gastrointestinal oncology treatments

Assoc. Prof. Gorkem Turkkan has successfully completed over 2,500 radiotherapy sessions with MR-Linac – one of Turkey's most experienced specialists in MRI-guided treatments.

• 16 years of experience in radiation oncology
• Specializes in stereotactic radiotherapy and proton therapy
• Member of European Society of Radiotherapy and Oncology
• Published 27 articles in medical journals
• Currently working on two TÜBİTAK research projects