Best IgG4 Related Disease (IgG4 RD) Doctors Abroad for Australian Patients

Prof. Hüseyin Baloğlu is a pathology specialist at Anadolu Medical Center in Gebze, Kocaeli, Turkey. He focuses on molecular pathology, surgical pathology, and tumour biopsy and diagnostics.

Education and accreditations: MD, GATA Medical School (1986). Pathology specialty training, GATA (1992). Associate Professor (Doçent), GATA (2004). Visiting scholar at Albert Einstein College of Medicine (New York) and Heidelberg University.

Achievements: author of over 600 peer‑reviewed publications. Holds a patent in molecular diagnostics for thyroid cancer. Leads liquid biopsy and precision oncology services.

Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital in Istanbul. He specializes in gastrointestinal oncology and the treatment of liver cancer. Dr. Sağlam was nominated for the International Best Researcher Award for his work on liver-transplanted patients. He has served as a professor of medical oncology since 2016.

• Member of the European Society for Medical Oncology (ESMO).
• Active member of the American Society of Clinical Oncology (ASCO).
• Member of the European Neuroendocrine Tumor Society (ENETS).
• Works at JCI-accredited facility with advanced PET-MRI and radiology departments.

Dr. Sefik Igdem is a radiation oncologist at Gayrettepe Florence Nightingale Hospital in Istanbul. He specializes in treating head, neck, and prostate cancers. He currently serves as a Professor at Demiroğlu Bilim University. Dr. Igdem uses Truebeam STx and Halcyon systems for accurate radiotherapy.

• Specializes in conformal treatments for complex tumor cases.
• Treats various conditions including lung, breast, and brain tumors.
• Practices at a JCI-accredited hospital that serves 200,000 patients annually.
• Completed his radiation oncology training at the Istanbul University Cerrahpaşa Faculty.

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.

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.

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).

Education and Specialization

• 2006: Kocaeli University Faculty of Medicine
• 2014: Akdeniz University Faculty of Medicine, Internal Medicine
• 2018: Akdeniz University Faculty of Medicine, Medical Oncology

Experience

• 2006 - 2008: Konya Derebucak District Hospital
• 2009 - 2015: Akdeniz University Hospital
• 2015: Antalya Kaş State Hospital
• 2015 - 2016: İnönü University Faculty of Medicine
• 2016 - 2021: Akdeniz University Hospital
• 2021 - 2023: Antalya Training and Research Hospital