Tumor Marker Blood Test Doctors in Istanbul, Turkey — Page 4

Dr. Ali Hakan Kaya is a hematologist at Biruni University Hospital in Istanbul. He won first prize from the Blood and Bone Marrow Transplantation Association for his research. Dr. Kaya specializes in stem cell transplants and treating complex blood cancers. He works at a TEMOS-accredited university hospital equipped with a dedicated hematology-oncology department.

• Performs allogeneic bone marrow transplants from both related and unrelated donors.
• Treats leukemia, myeloma, and various types of lymphoma using CAR T-cell therapy.
• Is a member of the Turkish Apheresis Society and the Hematologic Oncology Society.
• Received multiple awards for his scientific papers on hematologic immunology and oncology.

Dr. Didem Tastekin is a medical oncologist at Biruni University Hospital in Istanbul. She specializes in breast and lung cancer treatment, including stage 4 cases. Dr. Tastekin received the TUBITAK Incentive Award for her work in cancer research. She is an active member of both ESMO and ASCO.

• Awarded Best Researcher of the Year at Istanbul University Oncology Institute.
• Treats complex cases at a TEMOS-accredited university hospital.
• Coordinates oncological check-ups and screenings for both men and women.
• Expert in diagnostics including PET-MRI, tumor markers, and organ biopsies.

Prof. Dr. Gül Alço is a radiation oncologist with about 27 years of experience. She treats breast, lung, prostate, gastrointestinal, gynecologic, central nervous system, head and neck, soft tissue, and bone cancers with radiotherapy.

Her expertise includes adaptive radiotherapy and radiosurgery. She uses advanced radiation techniques to provide personalized, evidence-based care in a multidisciplinary, patient-centered setting.

Prof. Dr. Abdullah Sakin is a professor of medical oncology. He treats solid tumors, including lung, breast, gastrointestinal, genitourinary, gynecologic, head and neck cancers, and melanoma.

He delivers personalized, evidence-based care. His treatments include chemotherapy, targeted therapy, immunotherapy, hormone therapy, and precision oncology. He has authored more than 200 scientific publications and takes part in international clinical research. This work advances patient-centered cancer care.

Assoc. Prof. Orhan Ünal Zorba, MD, is a urologist focused on andrology and endourology. He has about 25 years of experience. He currently sees patients at Private TUSA Hospital. He started there on 8 June 2026.

His academic work includes 29 international and 13 national publications and 7 book chapters. He has given at least 9 presentations at international congresses. His studies have been presented at EAU, ESSM, ICS, and EULIS meetings. He served as Assistant and Associate Professor of Urology from 2009 to 2016. He is a member of the Istanbul Medical Chamber, the Turkish Association of Urology, the Turkish Society of Andrology, and the Eastern Black Sea Association of Urologists.

Key areas include male infertility (micro‑TESE; outcomes in 191 patients with non‑obstructive azoospermia), microsurgical varicocele repair, prostate surgery (HoLEP, TURP), endoscopic stone surgery (URS, PCNL), and uro‑oncology. He speaks English.

Dr. Tolga Akman is a Professor of Medicine at Medicana Hospital Bahcelievler in Istanbul. He specializes in uro-oncology and surgical treatments for complex urological conditions. Dr. Akman focuses on penis prosthesis surgery and treatments for prostate, bladder, and kidney cancer. He treats both adults and children for conditions like kidney stones and hypospadias.

• Performs radical and partial nephrectomy for kidney cancer treatment.
• Specializes in laparoscopic urology and robotic-assisted surgical techniques.
• Expert in penis enlargement and surgical correction of Peyronie's disease.
• Works at Medicana Bahcelievler, a JCI-accredited facility in Turkey.

Dr. Ahmet Oktem is a neonatologist at Medipol Acibadem District Hospital in Istanbul. He specializes in the intensive care of premature infants and neonatal infections. Dr. Oktem focuses on treating respiratory issues and metabolic disorders like hypoglycemia. He holds a doctorate from Ankara University and completed specialization at Hacettepe University.

• Manages complex cases of congenital anomalies and birth-related infections.
• Expert in prenatal screening and postnatal interventions for newborns.
• Treats pediatric conditions including hydrocephalus and spina bifida.
• Practices at a JCI-accredited facility using robotic surgical systems.

Dr. Melahat Bekir Kulah is a pulmonologist at Medipol University Pendik Hospital in Istanbul. She specializes in treating asthma, pneumonia, and chronic obstructive pulmonary disease (COPD). Dr. Kulah won a Poster Award from the Turkish Thoracic Society for her research. Her work focused on the quality of life for patients with bronchiectasis. Dr. Kulah practices at a hospital that serves 350,000 patients annually.

• Expert in bronchiectasis, scoliosis-related lung function, and COPD exacerbations.
• Authored nearly 20 publications in international and national medical journals.
• Presents research at major global conferences like ATS and ERS.
• Uses ultrasound to evaluate diaphragm thickness and respiratory health.

Dr. Mehmet Soyarslan is an orthopedic surgeon at Medipol University Pendik Hospital in Istanbul. He specializes in robotic knee surgery and complex joint reconstruction. Dr. Soyarslan is a member of the Robotic Knee Surgery Association. He also serves the Turkish Orthopedics and Traumatology Association.

• Performs MAKOplasty total hip replacement and arthroscopic meniscectomy.
• Treats pediatric orthopedic conditions, including developmental hip dysplasia and scoliosis.
• Presented shoulder arthroscopy research at SICOT and SECEC–ESSE international congresses.
• Completed specialized cadaver training in advanced knee and ankle surgical techniques.

Dr. Cevdet Gokcek is a neurosurgeon at Medipol University Pendik Hospital in Istanbul. He specializes in brain, spine, and pediatric nerve conditions. He has treated thousands of patients for complex disorders. Dr. Gokcek is a member of the Turkish Neurosurgical Society. He previously completed a microsurgery course at Hacettepe University.

• Achieved a 95% success rate for severe brain and spine surgeries.
• Performs transnasal pituitary tumor removals and endoscopic skull base procedures.
• Authored 17 articles published in national and international medical journals.
• Completed a neuro-endoscopy workshop at Ghent University in Belgium.

Dr. Mehmet Ali Gok is an Associate Professor of General Surgery at Medipol University Pendik Hospital. He specializes in laparoscopic hernia repair and metabolic surgery. Dr. Gok has authored over 20 national and international scientific articles on surgical outcomes. He practices at a hospital with 95.4 out of 96.4 healthcare quality points.

• Certified in robotic colorectal surgery and laparoscopic hernia techniques on cadavers.
• Received specialized training from the European Hernia Society in Dubai.
• Served as a former Chief Physician at Silopi State Hospital.
• Editor of several medical books on oncological, hernia, and minimal invasive surgery.

Dr. Nihat Okcu is a gastroenterologist and gastrointestinal surgeon at Medipol University Pendik Hospital. He specializes in the treatment of complex digestive conditions and liver diseases. Dr. Okcu has published over 20 academic papers on gastric cancer and endoscopic diagnosis. He serves at a hospital with a 95.4% healthcare quality score.

• Performs laparoscopic anti-reflux surgery and small intestine resections.
• Expert in gastric polyps removal and duodenal polyp excision.
• Treats chronic conditions like cirrhosis, Crohn’s disease, and ulcerative colitis.
• Provides diagnostic gastroscopy with biopsy and ultrasound-guided procedures.

Dr. Caglayan Altinbas is a physician at Medipol University Pendik Hospital in Istanbul. He specializes in rehabilitation for complex spinal cord injuries and pediatric cerebral palsy. Dr. Altinbas earned his medical degree from Marmara University and completed residency at Bezmialem Vakif University. He holds a certificate in Physical Medicine and Rehabilitation.

• Expertise includes orthopedic recovery and pediatric physical therapy programs.
• Treats patients at a clinic scoring 95.4 out of 96.4 for quality standards.
• Performs specialized rehabilitation for children with motor disabilities.
• Practices at a university-affiliated center serving 350,000 patients annually.

Dr. Yilmaz Yozgat is a pediatric cardiologist at Medipol University Pendik Hospital in Istanbul. He specializes in treating children with complex heart and vascular diseases. Dr. Yozgat trained at the prestigious Gülhane Military Medical Academy. He manages challenging cases like dilated cardiomyopathy and pulmonary hypertension in young patients.

• Performs diagnostic heart check-ups, exercise tests, and carotid artery ultrasounds.
• Treats childhood cardiac conditions including arrhythmias and coronary artery disease.
• Served as a faculty member at Bezmialem Foundation University.
• Practices at a center featuring 21 intensive care units for newborns.

Dr. Siar Dursun is a pediatric neurologist at Medipol University Pendik Hospital in Istanbul. He specializes in treating complex neurological conditions in children, including epilepsy and cerebral palsy. Dr. Dursun completed his medical training at Adnan Menderes University and Izmir Research Hospital. He works at a university-affiliated center that serves 350,000 patients annually.

• Treats neurodegenerative diseases, West syndrome, and spinal muscular atrophy.
• Performs pediatric check-ups and diagnostic video-EEG monitoring for epilepsy.
• Provides medication management for autism and Parkinson’s disease.
• Practices at a hospital with 21 dedicated newborn intensive care units.

Dr. Murat Sarikaya is a gastroenterologist at Medipol Bahçelievler University Hospital in Istanbul. He treats complex conditions like Crohn's disease, ulcerative colitis, and cirrhosis. Dr. Sarikaya is a published researcher with numerous articles in international peer-reviewed journals. His work appeared in reputable titles such as the American Surgeon and Nordic journals.

• Performs endoscopic procedures including gastroscopy, colonoscopy, and ERCP.
• Treats gastrointestinal polyps and manages severe acute pancreatitis cases.
• Practices at a JCI-accredited facility treating 600,000 patients annually.
• Utilizes advanced diagnostics like PET-CT for precise tumor mapping.

The doctor is a highly qualified specialist in Obstetrics and Gynecology, having completed medical training at the Istanbul University Cerrahpaşa Faculty of Medicine in 2008. With over a decade of clinical experience, the doctor has served in various healthcare settings, including Medipol University, Private Nisa Hospital, and Kaman State Hospital.

Throughout a distinguished career, the doctor has demonstrated a commitment to women's health and reproductive medicine, providing comprehensive care across diverse hospital environments since 2008.

Dr. Guven Sadi Sunam is a thoracic surgeon at Medipol Bahçelievler University Hospital in Istanbul. He specializes in chest diagnostics and complex thoracic conditions. Dr. Sunam completed his medical training and thoracic surgery residency at Selçuk University. He works at a JCI-accredited facility that treats 600,000 patients annually.

• Performs CT scans of the thoracic and abdominal cavities.
• Conducts tumor marker blood tests for cancer screening.
• Provides specialized care for complex chest and lung disorders.
• Uses advanced PET-CT technology for five-minute full-body scans.