Gastroenterology Prof. Dr. Züleyha Akkan Çetinkaya
✓ Medically verified profile Gastroenterology
Prof. Dr. Züleyha Akkan Çetinkaya
✓ Medically verified profile 28+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Atasehir Hospital · İstanbul
★★★★★ From 2,400+ verified Acibadem patient reviews
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About Prof. Dr. Züleyha Akkan Çetinkaya
Quick answer
Prof. Dr. Züleyha Akkan Çetinkaya is a gastroenterologist at Acibadem Atasehir Hospital in İstanbul with 28+ years of experience.
She treats Helicobacter pylori infection, inflammatory bowel disease, chronic hepatitis B, chronic hepatitis C genotype 1, liver fibrosis, cirrhosis, colorectal adenocarcinoma, and metabolic syndrome in inflammatory bowel disease, and performs gastrointestinal endoscopy and Helicobacter pylori eradication therapy. She consults in Turkish and English and offers online video consultation.
Education
- 2019 Gelisim University / Professorship
- 2013 Kocaeli Derince Training and Research Hospital / Associate Professorship
- 2009 Haydarpasa Numune Training and Research Hospital Gastroenterology
- 2003 Haydarpasa Numune Training and Research Hospital Internal Medicine
- 1998 Istanbul University Faculty of Medicine
Experience
- 2025 Acibadem Health Group
- 2019 – 2025 Memorial Ataşehir Hospital / Gastroenterology / Professor
- 2014 – 2019 Medical Park Gebze Hospital ,Bahçeşehir University Faculty of Medicine / Gastroenterology / Associate Professor
- 2013 – 2014 Kocaeli Derince Training and Research Hospital / Gastroenterology / Associate Professor
- 2009 – 2013 Kocaeli Derince Training and Research Hospital / Gastroenterology Specialist
- 2003 – 2009 Haydarpaşa Numune Training and Research Hospital Gastroenterology Clinic / Subspecialty Assistant
- 1998 – 2003 Haydarpaşa Numune Training and Research Hospital 1st Internal Medicine Clinic / Assistant Dr.
Memberships
- Gastrointestinal Endoscopy Society
- Turkish Gastroenterology Association
- Turkish Association for Liver Research
- Inflammatory Bowel Diseases Association
Publications
- Being a female gastroenterologist in Turkey,
Turkish Journal of Gastroenterol 2024 Z. Akkan Çetinkaya, N. Tözün, Ö. Ersoy . - In Vitro Effects of Vitamins C and E on Helicobacter pylori,
Mol Virol Immunol 2021 M. Kaya, A Tanoğlu, Z. Akkan Çetinkaya, E. S. Boz, H. Sezikli, F. Güzelbulut, M. Sezikli - The value of adenosine deaminase level in assesing activation of inflammatory bowel disease
Journal of Surgery and Medicine, 2020. Y. Gökden, S Hot, C. Gönen, S Kalyon, Z. Akkan Çetinkaya. - Comparison of the efficacy of six different Helicobacter pylori eradication regimens: greater than or equal to another
Biomedical Research 2018 M. Sezikli, G Sirin, Z A Cetinkaya et al - A lower serum gamma-glutamyltransferase level does not predict a sustained virological response in patients with chronic hepatitis C genotype 1
Gut and Liver 2013. F Guzelbulut, M Sezikli, ZA Cetinkaya et al - Evaluation of colorectal adenocarcinomas at single institution with respect to microsatellite instability,
Chirurgia ,2013 Ozkara,B.Sari,A.Yesil,A. Aktekin,M.Sezikli,Z. Cetinkaya,F.Aker - AST-platelet ratio index (APRI) in the prediction of significant fibrosis and cirrhosis in patients with chronic hepatitis B
Turkish Journal of Gastroenterology , 2012 F.Güzelbulut,M.Sezikli, Z.Akkan Çetinkaya,B Yaşar, S. Özkara, A.O.K Övünç, - Comparison of the efficacy of entecavir and tenofovir in chronic hepatitis B
Hepatogastroenterology 2012 F. Guzelbulut, A.Okurdaş Ovünç,Z.Akkan Çetinkaya, E. Şenateş, Y.Gökden, A.G.Değirmenci Saltürk, M.Sezikli, S.Özkara, F.Çetinkaya - Efficacy of the combination of tetracycline ,amoxicillin and lansoprazole in the eradication of helicobacter pylori in treatment naive patients and in
Gut and Liver, 2012 M.Sezikli, Z.Akkan Çetinkaya,F.Güzelbulut, A.Yeşil, M.E.Altunöz, N.Ulu, AOO Kurdaş, - Metabolic syndrome in inflammatory bowel disease. A real relationship or just coincidence.
Euroasian Journal of Hepato-Gastroenterology, 2012 Sezikli , Z. Akkan Çetinkaya, F. Güzelbulut, D. Özgil Yetkin
Clinical Focus
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Helicobacter pylori infectionHelicobacter pylori eradication therapyInflammatory bowel diseaseChronic hepatitis BChronic hepatitis C genotype 1Liver fibrosisCirrhosisColorectal adenocarcinomaMetabolic syndrome in inflammatory bowel diseaseGastrointestinal endoscopy
Background
Education
- 2019Gelisim University / Professorship
- 2013Kocaeli Derince Training and Research Hospital / Associate Professorship
- 2009Haydarpasa Numune Training and Research Hospital Gastroenterology
- 2003Haydarpasa Numune Training and Research Hospital Internal Medicine
- 1998Istanbul University Faculty of Medicine
Career
Professional Experience
- 2025Acibadem Health Group
- 2019–2025Memorial Ataşehir Hospital / Gastroenterology / Professor
- 2014–2019Medical Park Gebze Hospital ,Bahçeşehir University Faculty of Medicine / Gastroenterology / Associate Professor
- 2013–2014Kocaeli Derince Training and Research Hospital / Gastroenterology / Associate Professor
- 2009–2013Kocaeli Derince Training and Research Hospital / Gastroenterology Specialist
- 2003–2009Haydarpaşa Numune Training and Research Hospital Gastroenterology Clinic / Subspecialty Assistant
- 1998–2003Haydarpaşa Numune Training and Research Hospital 1st Internal Medicine Clinic / Assistant Dr.
Affiliations
Professional Memberships
- Gastrointestinal Endoscopy Society
- Turkish Gastroenterology Association
- Turkish Association for Liver Research
- Inflammatory Bowel Diseases Association
Research
Selected Publications
- Being a female gastroenterologist in Turkey, Turkish Journal of Gastroenterol 2024 Z. Akkan Çetinkaya, N. Tözün, Ö. Ersoy .
- In Vitro Effects of Vitamins C and E on Helicobacter pylori, Mol Virol Immunol 2021 M. Kaya, A Tanoğlu, Z. Akkan Çetinkaya, E. S. Boz, H. Sezikli, F. Güzelbulut, M. Sezikli
- The value of adenosine deaminase level in assesing activation of inflammatory bowel disease Journal of Surgery and Medicine, 2020. Y. Gökden, S Hot, C. Gönen, S Kalyon, Z. Akkan Çetinkaya.
- Comparison of the efficacy of six different Helicobacter pylori eradication regimens: greater than or equal to another Biomedical Research 2018 M. Sezikli, G Sirin, Z A Cetinkaya et al
- A lower serum gamma-glutamyltransferase level does not predict a sustained virological response in patients with chronic hepatitis C genotype 1 Gut and Liver 2013. F Guzelbulut, M Sezikli, ZA Cetinkaya et al
- Evaluation of colorectal adenocarcinomas at single institution with respect to microsatellite instability, Chirurgia ,2013 Ozkara,B.Sari,A.Yesil,A. Aktekin,M.Sezikli,Z. Cetinkaya,F.Aker
- AST-platelet ratio index (APRI) in the prediction of significant fibrosis and cirrhosis in patients with chronic hepatitis B Turkish Journal of Gastroenterology , 2012 F.Güzelbulut,M.Sezikli, Z.Akkan Çetinkaya,B Yaşar, S. Özkara, A.O.K Övünç,
- Comparison of the efficacy of entecavir and tenofovir in chronic hepatitis B Hepatogastroenterology 2012 F. Guzelbulut, A.Okurdaş Ovünç,Z.Akkan Çetinkaya, E. Şenateş, Y.Gökden, A.G.Değirmenci Saltürk, M.Sezikli, S.Özkara, F.Çetinkaya
- Efficacy of the combination of tetracycline ,amoxicillin and lansoprazole in the eradication of helicobacter pylori in treatment naive patients and in Gut and Liver, 2012 M.Sezikli, Z.Akkan Çetinkaya,F.Güzelbulut, A.Yeşil, M.E.Altunöz, N.Ulu, AOO Kurdaş,
- Metabolic syndrome in inflammatory bowel disease. A real relationship or just coincidence. Euroasian Journal of Hepato-Gastroenterology, 2012 Sezikli , Z. Akkan Çetinkaya, F. Güzelbulut, D. Özgil Yetkin
Good to Know
Frequently Asked Questions
What is Dr. Züleyha Akkan Çetinkaya's specialty?
Dr. Züleyha Akkan Çetinkaya is a specialist in Gastroenterology at Acibadem. For a personalised assessment, the Acibadem international patient team can review your medical history and reports and explain the suitable next steps.
Which hospital does Dr. Züleyha Akkan Çetinkaya practise at?
Dr. Züleyha Akkan Çetinkaya sees patients at Acibadem Atasehir Hospital in İstanbul. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. Züleyha Akkan Çetinkaya?
Consultations with Dr. Züleyha Akkan Çetinkaya are supported in Turkish and English. In addition, Acibadem provides multilingual coordination and interpreter support so international patients can communicate clearly throughout their care.
How can I book an appointment with Dr. Züleyha Akkan Çetinkaya?
You can request an appointment with Dr. Züleyha Akkan Çetinkaya using the appointment form on this page, or by contacting the Acibadem international patient team by phone or WhatsApp. After you share your details, the team checks availability and confirms your appointment, usually within 24 hours.
Is an online video consultation available with Dr. Züleyha Akkan Çetinkaya?
Yes. Dr. Züleyha Akkan Çetinkaya offers online video consultations, so you can discuss your condition and reports with the specialist before making any travel arrangements. The international patient team can help you schedule a secure video visit.
How many years of experience does Dr. Züleyha Akkan Çetinkaya have?
Dr. Züleyha Akkan Çetinkaya has around 28 years of professional experience in Gastroenterology. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. Züleyha Akkan Çetinkaya?
Yes. Acibadem supports international patients end to end — from the first consultation and treatment planning through appointment scheduling, interpretation during the stay and follow-up after returning home. Sharing your case for an initial assessment is free of charge.
How do I get a second opinion involving Dr. Züleyha Akkan Çetinkaya?
You can request an independent review of your diagnosis and proposed treatment. Share your medical reports through the consultation or "Ask a Doctor" form on this site, and the team will arrange a specialist review and explain the available options.
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35+Years of expertise
90+Countries served
20+Languages spoken
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Patient Voices
What patients say about Prof. Dr. Züleyha Akkan Çetinkaya
★★★★★From 2,400+ verified patient reviews ★★★★☆ Verified Patient
“From the first consultation to discharge, my digestive health assessment went smoothly. Prof. Dr. Çetinkaya treated me as a person, not just a case. I felt looked after at every turn.”
Lukas R. · Italy February 2025
★★★★★ Verified Patient
“As worried parents, we could not have asked for better care for our child's allergy testing. Prof. Dr. Çetinkaya made our child feel comfortable straight away. I only wish I had come here sooner.”
Noura S. · United Arab Emirates April 2026