Best Immunohistochemistry Doctors Abroad for Australian Patients

Dr. Bulent Karagoz is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in immunotherapy and targeted therapies for sarcoma, lymphoma, and lung cancer. Dr. Karagoz provides treatment at a facility affiliated with the prestigious Johns Hopkins Hospital.

• Authored over 40 research publications focusing on tumor biology and immunology.
• Former Head of Internal Diseases at Istanbul Okan University Faculty of Medicine.
• Held leadership roles in medical oncology at GATA Haydarpasa Training Hospital.
• Member of the Turkish Medical Oncology Association and European Head and Neck Society.

Dr. Zafer Gulbas founded and directs Turkey’s largest Bone Marrow Transplant Center at Anadolu Medical Center. He is a hematologist-oncologist specializing in complex blood cancers and clotting disorders. Dr. Gulbas trained at top global institutions, including MD Anderson and Fred Hutchinson in the USA. He performs autologous and allogeneic transplants for leukemia, lymphoma, and aplastic anemia.

• Achieved an 81% success rate for autologous bone marrow transplants.
• Supervised over 3,000 successful transplant procedures since 2010.
• Authored over 260 scientific publications with 5,000+ citations in hematology.
• Member of the European Hematology Association and American Hematology Association.

Dr. Huseyin Baloglu is a pathologist at Anadolu Medical Center in Turkey. He leads liquid biopsy and precision oncology services. Dr. Baloglu holds a patent for molecular diagnostics in thyroid cancer treatment. He completed training at Albert Einstein College of Medicine and Heidelberg University.

• Authored over 600 peer-reviewed publications in molecular and surgical pathology.
• Specializes in tumor biopsy, immunohistochemistry, and genetic mutation testing.
• Treats complex oncological cases, including glioblastoma and rare sarcomas.
• Works at Anadolu Medical Center, a facility affiliated with Johns Hopkins Medicine.

Dr. Bulent Eser is a hematologist at Medical Park Antalya Hospital Complex. He specializes in treating leukemia, lymphoma, and aplastic anemia. Dr. Eser is a member of the European Group for Blood and Marrow Transplantation.

• Performs allogenic bone marrow transplants from both related and unrelated donors.
• Provides CAR T-cell therapy and haploidentical stem cell transplantation.
• Treats blood cancers using biological therapy and targeted chemotherapy.
• Serves as a professor of internal medicine and hematology.

Dr. Ceyhun Bozkurt is a pediatric hematologist-oncologist at Medical Park Bahcelievler Hospital. He serves as the clinical director and vice director of the stem cell transplant unit. Dr. Bozkurt focuses on childhood leukemia, bone marrow transplants, and neuroblastoma. He completed specialized observerships at Harvard University and Cincinnati Children's Hospital.

• Member of the International Society of Pediatric Oncology (SIOP).
• Active member of the European Bone Marrow Transplant Group (EBMT).
• Published more than 40 articles on stem cell therapy and blood disorders.
• Works at a center performing the highest number of transplants in Turkey.

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. Ayshe Okumush is a radiation oncologist at Private NeoLife Medical Center. She earned her MD from Karadeniz Technical University in 2003. She completed a residency in radiation oncology at Sisli Etfal Training and Research Hospital from 2006 to 2011.

She served as a specialist at Diyarbakir Uckuyular Training and Research Hospital from 2011 to 2013 and at Sisli Etfal from 2013 to 2016. She then worked at Yeni Yuzyil University Private Gaziosmanpasa Hospital from 2016 to 2026. She joined NeoLife in 2026.

Memberships: Turkish Society for Radiation Oncology (TROD) and the European Society for Radiotherapy and Oncology (ESTRO). Clinical focus: SRS, SRT, SBRT; VMAT, IMRT; radiotherapy for head and neck, lung, and brain tumors; SGRT, TBI, and 3D brachytherapy.

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).