Page 52 - Treatment in Istanbul (Turkey)

Dr. Cagdas Erdogan is a gastroenterologist at Ankara Etlik City Hospital. He trained in Internal Medicine and Gastroenterology. He earned his MD from Dokuz Eylul University. He completed his Internal Medicine residency from 2014 to 2019. He then completed a Gastroenterology fellowship at Ankara City Hospital from 2019 to 2022. His clinical focus includes advanced endoscopy (ERCP, EUS, EMR, ESD, POEM, EGD, colonoscopy, double-balloon enteroscopy), inflammatory bowel disease, and hepatology.

He has about 40 publications. His work appears in The Turkish Journal of Gastroenterology, Scientific Reports, Endoscopy, and Digestive Diseases and Sciences. Notable studies address vedolizumab in IBD and prophylaxis for post-ERCP pancreatitis. He also reported a 13-year Crohn’s cohort comparing infliximab and adalimumab. Additional work covers outcomes with an adalimumab biosimilar and innovative endoscopic therapies (MCA via double-balloon enteroscopy, holmium laser for Bouveret syndrome, POEM for Zenker’s diverticulum, and ESD for esophageal papillomatosis).

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.

Dr. Murat Cakar is an Assistant Professor of Pediatric Surgery. His focus includes neonatal thoracic and abdominal diseases, esophageal atresia replacement, diaphragmatic hernia, pediatric cancer surgery (Wilms tumor, neuroblastoma), and testicular surgical conditions.

He earned his MD from Cumhuriyet University (1998–2005). He completed pediatric surgery training (2006–2011). He worked as a pediatric surgeon (2011–2013). He has served as Head of Pediatric Surgery at Karabük University, İstinye University/Liv Hospital (since 2020), and Aydın University (since 2021).

His roles include Founding Manager of Karabük University Hospital, Head of Laboratory Operations, and Chair of Child Advocacy Centers. He has also served on Medicines and Medical Supplies Commissions. He is a member of the Turkish Association of Pediatric Surgeons and the Pediatric Urology Association.

Dr. Ozge Utku Aydemir is a specialist in plastic, reconstructive, and aesthetic surgery. Dr. Aydemir completed residency training at Ankara Bilkent City Hospital (2019–2023). Dr. Aydemir then served as a specialist doctor at Ankara Ataturk Sanatorium Training and Research Hospital (2023–2025). Dr. Aydemir earned an MD from Gazi University (English Program).

EBOPRAS (European Board of Plastic, Reconstructive and Aesthetic Surgery) Part 1 certified on 25 Jan 2025. Interests include facial and breast aesthetics, body contouring, microsurgery and hand surgery, reconstructive surgery, injectables (fillers, Botox), and lasers.

Publications include a 2023 article in The Journal of Hand Surgery on outcomes of wide-awake flexor tendon repairs in 58 fingers and 9 thumbs. Dr. Aydemir also completed a thesis on amniotic membrane use in flexor tendon repair. Presentations include oral and poster sessions at TPRECD and an international congress. Member of TPRECD, Aesthetic Plastic Surgery Society, and Aesthetic Surgery Society.

Dr. Ferhat Yakup Suceken is a Urology Specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously held the same role at Ümraniye Training and Research Hospital (2017–2025), Tekirdağ Saray State Hospital (2015–2017), and Ceylanpınar State Hospital (2013–2015).

He completed his urology residency at the University of Health Sciences, Ümraniye Training and Research Hospital, Department of Urology (2007–2013). He earned his MD from Kocaeli University Faculty of Medicine (2001–2007).

Professional memberships include the Turkish Urological Association and the Urological Surgery Association.

Professional training: Laparoscopy Course on Pig Model; Robotic Surgery Course; Penile Prosthesis Surgery Course; PCNL Live Surgery Course; Flexible URS Course.

Dr. Mehmet Altug Tuncer is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He has been Head of Cardiovascular Surgery at Istanbul University Faculty of Medicine since 2018. He has served as an Instructor at Kartal Koşuyolu since 2013. He directed the Aortic Surgery Center there from 2016 to 2018.

He became Professor in 2018 at Istanbul Okan University. He was appointed Associate Professor in 2013. He earned his MD at Istanbul University Cerrahpaşa. He completed cardiovascular surgery training at Koşuyolu. His work includes 38 SCI/SCI-E papers, 19 national articles, and one book.

He is Chairman of the Aortic Surgery Working Group of the Turkish Society of Cardiovascular Surgery. He is a member of the Turkish Medical Association. He also belongs to the Society of Minimally Invasive and Robotic Cardiovascular Surgery. He is a member of the Turkish Society of Clinical Microbiology and Infectious Diseases.

Dr. Salih Taskin is a specialist in obstetrics and gynecology. He also focuses on gynecologic oncology and minimally invasive surgery. He works at Memorial Göztepe Hospital in Istanbul (2025–present). He previously served in Gynecologic Oncology (2014–2025) and in Obstetrics and Gynecology (2002–2025) at the Ankara University Faculty of Medicine.

Accreditations include ESGO Certified Specialist in Gynecologic Oncology (2018) and a fellowship in robotic surgery and gynecologic oncology at McGill University (2014). He completed an OB‑GYN residency at Ankara University and earned his MD at Çukurova University (both 1995–2001).

He is a member of the Turkish Society of Gynecologic Oncology; the Society of Robotic Gynecologic Surgery; the Society of Minimally Invasive Gynecologic Oncology; the Federation of Women’s Health Associations; IGCS; ESGO; ESGE; and SERGS. He is trained in robotic, laparoscopic, and gynecologic cancer surgery.

Dr. Nezih Onur Ermerak is a Thoracic Surgery Specialist at Memorial Göztepe Hospital (2025–). He previously worked in the Department of Thoracic Surgery at Marmara University (2009–2025). He also served at Kilis State Hospital during compulsory service and war surgery (2015–2017).

He completed a Thoracic Surgery fellowship at Washington University in St. Louis (2019–2020). He then completed a Thoracic & Esophageal Surgery fellowship at Dalhousie University (2020–2022). He held a visiting fellowship at Universitätsspital Bern (2011–2012). He finished his residency at Marmara University (2009–2015).

He is President of the Turkish Society of Chest Wall Deformities and Pectus. He served on the Organizing Committee of CWIG 2023 in Istanbul. He completed MI-STARs (2020), MITS (2019), CITI (2024), and KOÇ Laboratory Animal Use certification (2025). He attended the AATS 103rd meeting (2023) and European Thoracic Surgery conferences (2024 and 2025).

Dr. Berrak Beyoglu Oruc is a specialist in obstetrics, gynecology, and IVF at Memorial Göztepe Hospital (2025–). She previously worked at Bahçeşehir University Medical Park Göztepe Hospital and Ağrı Training and Research Hospital. She also served as a research physician in gynecologic oncology at Bologna University S. Orsola (2022).

Accreditations and key training include: Certified ART Clinical Training, American Hospital (2025); GESEA MIGS Level 1 – European Certified Minimal Invasive Gynaecological Surgeon (2024). She also completed the Harvard Women’s Health and Menopause Course (2025), ESGO ORSI Robotic Surgery (2022), ESGO Masterclass (2022), and TMFTP Second Trimester Ultrasound (2024).

Awards: First prize, oral presentation—Transperineal Ultrasonography in Predicting Operative Delivery (13th Maternal–Fetal Medicine and Perinatology Congress, 2023). Third prize—Aortic Dissections (2016). Memberships: ISUOG, ESGE, MIJID, TJOD.

Dr. Isik Okuyan is an obstetrics and gynecology specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously worked at Şanlıurfa Training and Research Hospital (2023–2025). He completed his OB/GYN residency at SB University Istanbul Training and Research Hospital (2019–2023). He earned his MD from Mersin University (2011–2017).

His credentials include GESEA Level 1 in Gynecological Endoscopy (Marseille, 2024). He presented a video and a poster at the 33rd ESGE Congress (2024). He is a member of the Turkish Medical Association, the Turkish Society of Gynecology and Obstetrics, and ESGE. He took part in meetings from 2022 to 2025, including ISON and national gynecology congresses.

Dr. Basak Sargin is an obstetrics and gynecology (OB/GYN) specialist at Memorial Göztepe Hospital. She has worked at Medipol Mega University Hospital (IVF and Reproductive Health Center), Medipol Acıbadem Region, Memorial Ataşehir Hospital, and Kars Harakani State Hospital.

Accreditations: FMAS and DMAS, World Laparoscopy Hospital (2023). ART training, American Hospital (07/2024–01/2025). Fellowships: Minimally Invasive and Advanced Gynecologic Surgery, Pius University, Oldenburg (07/2025); World Laparoscopy Hospital (05/2023). Additional training in robotic surgery, hysteroscopy, vNOTES, embryo transfer simulation, and laser/magnetic stimulation.

Education: MD, Hacettepe University. OB/GYN residency, Ankara (2016–2021). PhD candidate in Biomedical Engineering, Koç University (since 2023). Memberships: SRGS, International Society of Gynecology and Obstetrics, ESGE, WALS, and Istanbul Medical Chamber.

Dr. Aygul Aliyeva Onen is a specialist in obstetrics and gynecology at Memorial Göztepe Hospital (2025–present). She previously worked at Medical Park Göztepe (2023–2025) and at Celal Bayar University Hafsa Sultan Hospital (2018–2023). She completed her obstetrics and gynecology residency at Celal Bayar University Faculty of Medicine (2018–2023). She graduated from Azerbaijan Medical University (2010–2016) and completed an observership at Ege University (2017).

Professional memberships include the Istanbul Medical Chamber, the Turkish Society of Gynecology and Obstetrics, and the Pelvic Floor and Cosmetic Gynecology Association. Additional training includes Current Approaches in Cosmetic Gynecology (TJOD Izmir); CCI HADYEK Laparoscopic Gynecologic Surgery; Sexual Health Federation—Vaginismus and Dyspareunia; the 1st–3rd International Pelvic Floor and Cosmetic Gynecology Congresses; and the TJOD Obstetric Simulation Course.

Prof. Selin Kapan has been a Professor of General Surgery since 2017. She is currently with Istanbul Aydın University, Faculty of Medicine, Department of General Surgery (2022–present). She previously worked at Bakırköy Dr. Sadi Konuk Training and Research Hospital as a Specialist and Associate Professor. She also served as Educational and Administrative Supervisor at Kanuni Sultan Süleyman Training and Research Hospital. In addition, she was Medical Coordinator and General Surgeon at Istanbul Surgery Hospital.

She has authored or co-authored more than 50 peer-reviewed papers. Her research covers hernia repair, perianal fistula, pilonidal disease, hepatic hydatid disease, laparoscopic surgery, and gastrointestinal surgery. Her work has been published in journals such as Digestive Surgery, Hernia, Techniques in Coloproctology, and the Journal of Gastrointestinal Surgery. She is a member of the Turkish Surgical Association, the National Trauma and Emergency Surgery Association, the Hernia Society, the Turkish HPB Surgery Association, the Stem Cell and Cellular Therapies Association, and the Gastroesophageal Reflux Association.

Prof. Murat Sünbül is a Professor of Cardiology at İstinye University, Topkapı Liv Hospital (2025–present). He earned his M.D. from Istanbul University in 2005 and completed a cardiology residency at Marmara University in 2010. From 2011 to 2025, he served at Marmara University as a Cardiology Specialist, and then as Assistant, Associate, and Professor.

Expertise includes complex coronary interventions and coronary imaging (FFR, OCT, IVUS). He performs peripheral, carotid, and renal artery interventions and denervation. He treats structural and valve disease (ASD/PFO closure, TAVI). He provides device therapy (LBB pacing, ICD, CRT). He uses advanced imaging (TEE, 3D echo, speckle tracking) and performs right heart catheterization. He also manages heart failure, hypertension, hyperlipidemia, and pulmonary hypertension.

He has authored over 100 peer-reviewed papers in national and international journals. His work has appeared in Herz, The Thoracic and Cardiovascular Surgeon, Cardiology Journal, and Wiener Klinische Wochenschrift.

Dr. Zuhal Cakmak Peksen is a Family Medicine Specialist since 2017. She earned her MD from Çukurova University in 2010. She completed specialty training at Yüzüncü Yıl University between 2013 and 2017. She is currently studying for a bachelor’s degree in Health Management at Anadolu University (2024–present).

She has 15 years of clinical practice (2010–2025) across 8 institutions. Her experience includes research in Family Medicine (2013–2017) and work at several Family Health Centers. Since 2020, she has served at TOKİ Avrupa Family Health Center in Gaziosmanpaşa, Istanbul.

Dr. Fatih Gumus is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He previously served at Memorial Ankara (2023–2025) and Bartın State Hospital (2018–2022). He completed his Cardiovascular Surgery residency at Ankara University (2013–2018). He was a Clinical Fellow at Johns Hopkins University in 2010. He observed Vascular Surgery at the Cleveland Clinic in 2014. He earned his MD from Hacettepe University (English program, 2005–2012).

He has authored five peer-reviewed papers on minimally invasive valve surgery, right heart and LVAD assessment, and DVT therapy. He is a member of EACTS, ISMICS, MIRC, the Turkish Society of Cardiovascular Surgery, and the Turkish Society of Vascular Surgery. He served as faculty at the 19th ICCVS. He gave oral talks at EACTS 2017, ISMICS 2018, and UIP 19th.

Dr. Mahir Cengiz is a Professor of Internal Medicine and an Internal Medicine Specialist. He works at Memorial Göztepe Hospital (2025–present). He previously served at Istanbul Aydın University–Medical Park Florya (2022–2025). He held roles at Biruni University Hospital as Lecturer and Chief Physician (2018–2022). Earlier, he was a Lecturer at Istanbul University–Cerrahpaşa Faculty of Medicine (2013–2018) and Chief Physician at Şarkışla State Hospital (2012–2013).

His track record includes 12 years as a lecturer and 5 years as a chief physician. He earned his MD from Istanbul University, Istanbul Faculty of Medicine (2000–2006). He completed an Internal Medicine residency at Istanbul University–Cerrahpaşa (2006–2011). He served as Chief Resident in Internal Medicine (2013–2017). He became an Associate Professor in 2017 and a Professor in 2022.

Dr. Deniz Goren is a specialist in internal medicine and hematology at Memorial Göztepe Hospital (Istanbul). Dr. Goren previously worked at Memorial Şişli, Istanbul Florence Nightingale, and Eskişehir Yunus Emre State hospitals.

Dr. Goren served as an associate professor at Demiroglu Bilim University from 2020 to 2024 and earlier as an assistant professor from 2017 to 2020. Dr. Goren completed a hematology subspecialty at Eskişehir Osmangazi University. Dr. Goren completed an internal medicine residency and earned an MD at Ankara University. Dr. Goren later completed a postdoctoral fellowship at Harvard Medical School and the Joslin Diabetes Center.

Awards include TÜBİTAK 2219, the Turkish Hematology Association Young Participant and Fuat Aydınlı Young Researcher awards, and the SOHO Young Investigator Grant. Dr. Goren has published 32 international and 14 national peer‑reviewed articles and delivered 88 presentations. Dr. Goren completed the EBMT International Transplant Course, the Lymphoma Master Class, and the Advanced Life Support Course.

Dr. Gokay Gunay is an ophthalmologist. He trained at Istanbul University Cerrahpaşa Faculty of Medicine (1991–1997) and at Istanbul University Çapa Faculty of Medicine, Department of Eye Diseases (1997–2001).

He has experience in over 20,000 surgical cases. He is a member of the Turkish Ophthalmology Association, the American Academy of Ophthalmology, the European Society of Cataract and Refractive Surgeons, and the American Society of Cataract and Refractive Surgery. He speaks English.