Best Adrenal tumor doctors in Istanbul: TOP 15 doctors

Dr. Tanrikulu trained specifically in medical oncology at one of Turkey's leading universities, Marmara University Faculty of Medicine.

• Has over 16 years of experience in internal medicine and oncology
• Placed 3rd nationwide on Turkey's rigorous medical oncology specialty exam
• Previously led the medical oncology department at a major training and research hospital
• Has assisted and led in many international clinical research studies

Mustafa Solak specializes in adrenal tumors with fellowship training at Hacettepe University Cancer Institute – one of Turkey's leading oncology centers.

• Trained at The University of Texas MD Anderson Cancer Center
• Experienced in complex endocrine oncology cases
• Works at Hisar Hospital Intercontinental's oncology department

Dr. Ilker Tinay leads the urology department at Anadolu Medical Center, specializing in urological cancers with minimally invasive techniques.

• Urological oncologist with expertise in adrenal tumor treatment
• Performs minimal invasive surgery for precise tumor removal
• Executive board member of the Association of Urooncology
• Fluent in English and German for international patients
• Secretary of the Bladder Tumours Research Group

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications and co-authorship in major oncology handbooks.

• Member of European Society of Medical Oncology (ESMO)
• Professor at Halic University, combining clinical practice with academic leadership
• Specializes in breast, gastrointestinal, and lung cancers
• Trained at prestigious institutions including Mount Vernon Cancer Center in London

Dr. Yildiz has published extensively on neuroendocrine tumors and adrenal-related conditions, with research featured in international medical journals.

• Specializes in diagnosing and treating adrenal tumors
• Published 17 peer-reviewed articles on endocrine oncology
• Works at Medipol Mega University Hospital's oncology department
• Research includes rare adrenal tumor cases and presentations

Professor Sezer Sağlam specializes in gastrointestinal oncology with a focus on adrenal tumors at Gayrettepe Florence Nightingale Hospital.

• Over 15 years of experience in medical oncology
• Fellowship-trained at Istanbul University's Medical Faculty
• Member of ESMO, ASCO, and ENET societies
• Previously trained in hemodialysis at Cerrahpasa Medical Faculty

Prof. Sefik Igdem specializes in radiation oncology at Gayrettepe Florence Nightingale Hospital, using advanced technologies like Truebeam Stx and Halcyons for precise treatments.

• Professor at T.R. Demiroğlu Bilim University
• Specializes in head and neck cancers
• Expert in conformal radiotherapy techniques
• Trained at Istanbul University Cerrahpaşa Faculty of Medicine

Assoc. Dr. Abdullah Sakin leads the Medical Oncology Department at Medipol Bahçelievler Hospital, specializing in adrenal tumors.

• Head of Medical Oncology at Yüzüncü Yıl University Faculty of Medicine
• Trained in Medical Oncology at Istanbul Okmeydanı Training and Research Hospital
• Extensive experience in internal medicine and oncology

Specializes in rare tumors, including adrenal cancers, with extensive academic research and clinical practice in medical oncology.

• Served at Prof. Dr. Cemil Taşcıoğlu City Hospital's Medical Oncology Department
• Published multiple studies on rare and complex tumors
• Member of the Turkish Medical Oncology Association
• Representative for specialist physicians in the Turkish Medical Oncology Association

Professor Mustafa Ondzhel specializes in oncosurgery with a focus on colorectal and adrenal tumors at Medipol Mega University Hospital.

• Trained at Cleveland Clinic – a leader in surgical oncology
• Head of Surgery Department at Istanbul Medipol University
• Certified by European Commission on Coloproctology
• Recipient of National Award for 'Most Successful Scientist of the Year'
• Published research on multivisceral colorectal cancer resection

Specialized in complex tumors – Dr. Ozadli is trained at Ankara Oncology Hospital Medical Oncology Clinic.

• Expertise in lung, esophageal, and gastric cancers
• Specialized training in medical oncology
• Experience in leading hospitals across Turkey

Professor of Medical Oncology with a focus on adrenal tumors – Dr. Saglam brings decades of specialized experience to Istanbul Florence Nightingale Hospital.

• Over 20 years in medical oncology, with a focus on adrenal tumors
• Fellowship-trained at Istanbul University Oncology Institute
• Member of ESMO, ASCO, and European Neuroendocrine Tumour Society
• Attending physician in Gastrointestinal Oncology since 2005

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).

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.