Tumor Marker Blood Test Doctors in Turkey — Page 5

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. Suna Emir graduated from Hacettepe University Faculty of Medicine in 1989. She completed her pediatrics residency at Hacettepe University from 1990 to 1995. In 2001, she finished her pediatric oncology subspecialty at the Hacettepe University Oncology Institute. She became an Associate Professor in 2004. From 2004 to 2009, she worked at Ankara Dışkapı Children's Health and Diseases Training and Research Hospital and founded the Pediatric Oncology Clinic there. In 2009, she served as Deputy Chief of Pediatric Oncology. From 2009 to 2016, she was a pediatric hematology–oncology training officer at the Ankara Children's Health and Diseases Hematology–Oncology Training and Research Hospital. Since 2019, she has been a Professor and founding faculty member in Child Health and Diseases at Atilim University.

She is an expert in general pediatrics and pediatric hematology–oncology. She is active in residency and subspecialty training. Her clinical interests include childhood diseases from birth to 18 years, lymphoma, solid tumors, autologous bone marrow transplantation, anemia, bleeding disorders, hereditary blood diseases, hemangiomas and other benign tumors, and enlarged lymph nodes.

Prof. Dr. Musa Aydınlı is an internal medicine specialist and gastroenterologist. He completed his MD at Hacettepe University in 1997. He finished internal medicine training in 2003 and gastroenterology training in 2007 at the same institution. He worked at Kayseri Training and Research Hospital from 2007 to 2009. He served in the Gastroenterology Department at Gaziantep University from 2009 to 2014. He became an associate professor in 2012 and a professor in 2020. He joined Gülhane Training and Research Hospital in 2022. He now practices at Private Koru Ankara Hospital.

Clinical focus: GERD; dyspepsia, gastritis, and Helicobacter pylori; peptic ulcer disease; celiac disease; IBS and IBD (ulcerative colitis, Crohn’s disease); colon polyps; colorectal and upper GI cancers; liver disease (fatty liver, chronic hepatitis, cirrhosis, portal hypertension); hepatobiliary and pancreatic disorders and cancers. Procedures: EGD, rectosigmoidoscopy, and colonoscopy; biopsy, polypectomy, and endoscopic mucosal resection; hemostasis and APC; dilation and stent placement; PEG; ERCP; EUS-guided biopsy.

With an extensive career spanning over four decades, the doctor is a distinguished specialist in pediatrics and neonatal neurology. Following residency at Gazi University, the doctor served as an assistant professor and played a pivotal role in establishing the Pediatric Neurology Department. International experience includes clinical work at the Royal Free Hospital and Great Ormond Street Hospital in London.

The doctor is recognized for pioneering hypothermia treatment in Turkey and advancing neonatal neurocritical care. Further contributions include establishing high-risk infant monitoring clinics and founding the Turkish Childhood MS Working Group. The doctor continues to provide significant academic and clinical expertise in neurodevelopmental fields.

Prof. Dr. İbrahim Doğan is a gastroenterologist. He earned his MD from Ankara University Faculty of Medicine in 1991. He became an Internal Medicine specialist at Gazi University in 1996. He completed gastroenterology subspecialty training at İnönü University in 2001.

His academic career was at Gazi University. He served as Lecturer (2002), Assistant Professor (2003), Associate Professor (2007), and Professor (2012). He worked as a researcher at the University of California San Diego from 2004 to 2006. He has practiced at Koru Hospital since January 2023.

Clinical focus includes gastroesophageal reflux, irritable bowel syndrome, constipation, gastroparesis, achalasia, bloating, gas and belching, fecal incontinence, ulcerative colitis, and Crohn’s disease. He performs ERCP, stent placement, balloon and bougie dilation, polypectomy, argon plasma coagulation, double-balloon enteroscopy, and bleeding control.

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. 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.

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. 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.

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. 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. Mustafa Gurelik is a neurosurgery specialist at Medicana Sivas Hospital. He treats adult and pediatric brain tumors using precise surgical techniques and tumor marker blood test monitoring.

• Specializes in pituitary adenomas and acoustic neuromas – tumors affecting the brain and hearing nerves
• Performs transnasal resections – removing pituitary tumors through the nose without external incisions
• Expert in treating cerebrovascular aneurysms and arteriovenous malformations in the brain
• Former faculty member at Cumhuriyet University Department of Neurosurgery
• Proficient in endoscopic surgery for hydrocephalus and brain cysts

Dr. Bengisu Ay is an infectious diseases specialist at Medipol University Pendik Hospital in Istanbul. She focuses on viral hepatitis, diabetic foot infections, and clinical microbiology. Dr. Ay has contributed to multi-center studies on antibiotic resistance and pathogen identification. She treats complex cases at a clinic that serves 350,000 patients annually.

• Specializes in the treatment of Chronic Hepatitis C and Mediterranean spotted fever.
• Authored research on epidermal growth factor for diabetic foot wounds.
• Former physician at Acipayam State Hospital and Bozyaka Training Hospital.
• Published international research on causative pathogens in bacterial infections.

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

• Expertise includes pulmonary hypertension and coronary artery disease in children.
• Performs diagnostic heart check-ups, exercise tests, and carotid artery ultrasounds.
• Former faculty member at Bezmialem Foundation University Faculty of Medicine.
• Works at a center with 21 intensive care units dedicated to newborns.

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.