Gastroscopy with biopsy Doctors in Turkey — Page 3

Associate Professor Ayse Irem Yasin is a fellowship-trained medical oncologist at Medipol Acibadem District Hospital. She specializes in gastrointestinal cancers where gastroscopy with biopsy is a vital diagnostic tool.

• Holds an ESMO Board Certificate from the European Society for Medical Oncology
• Completed a medical oncology fellowship at Bezmialem Vakif University
• Gained international clinical experience at Cleveland Clinic and Harvard Medical School
• Expertise includes diagnosing and treating adenocarcinomas and gastrointestinal malignancies

Dr. Atakan Topcu is a medical oncologist at Medipol Acibadem District Hospital in Istanbul. He specializes in treating solid tumors including lung, breast, and colorectal cancers. Dr. Topcu is an Associate Professor with over 50 peer-reviewed scientific publications. He sits on the Editorial Board of the medical journal BMC Cancer.

• Expertise in immunotherapy, targeted therapies, and geriatric oncology care.
• Treats cancer-related malnutrition, cachexia, and sarcopenia.
• Maintains active membership in the European Society for Medical Oncology (ESMO).
• Works at a JCI-accredited hospital specializing in advanced oncology treatments.

Dr. Turkan Ozturk Topcu is a clinical oncologist at Biruni University Hospital in Istanbul. She maintains professional ties with the MD Anderson Cancer Center in the USA. She specializes in the treatment of breast, lung, and gastrointestinal cancers. Dr. Topcu is a member of both ESMO and ASCO.

• Completed a fellowship at the Sunnybrook Odette Cancer Center Breast Clinic in Canada.
• Treats a wide range of conditions including liver, pancreatic, and gynecological cancers.
• Held clinical roles at major institutions like Moffitt Cancer Center in the USA.
• Works at Biruni University Hospital, a TEMOS-accredited facility in Turkey.

Dr. Meryem Keceli Basaran is an Associate Professor and pediatric gastroenterologist at Biruni University Hospital. She specializes in digestion, hepatology, and nutrition for children. Dr. Basaran is a member of ESPGHAN, the European authority on pediatric gastroenterology. She manages gastrointestinal food allergies and inflammatory conditions like Crohn’s disease. She works at a TEMOS-accredited university hospital in Istanbul.

• Specializes in care before and after liver transplantation.
• Treats irritable bowel syndrome, celiac disease, and ulcerative colitis.
• Expert in managing chronic diarrhea, malabsorption, and faecal incontinence.
• Performs specialized diagnostic colonoscopies and gastroscopies with biopsy.

Dr. Esra Demir is an internal medicine specialist at Medipol Acibadem District Hospital in Istanbul. She serves as a sub-investigator for major international clinical trials on Type 2 diabetes treatments. Dr. Demir specializes in managing irritable bowel syndrome, thyroid diseases, and diabetes lifestyle changes. She works at a JCI-accredited facility equipped with interventional radiology and robotic systems.

• Led research for cardiovascular outcomes of Semaglutide in diabetic patients.
• Assisted in the SCALE Insulin study for overweight patients with Type 2 diabetes.
• Treats metabolic conditions including anemia, vitamin deficiencies, and adrenal adenomas.
• Performs specialized treatments such as intravenous vitamin C therapy.

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.

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.

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. 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. 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.

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.