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Prof. Dr. Cem Aygün Gastroenterology

Prof. Dr. Cem Aygün

✓ Medically verified profile
Gastroenterology

Prof. Dr. Cem Aygün

✓ Medically verified profile
18+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Dr. Sinasi Can (Kadikoy) Hospital · İstanbul
★★★★★ From 2,400+ verified Acibadem patient reviews
Prof. Dr. Cem Aygün

Quick answer

Prof. Dr. Cem Aygün is a gastroenterologist at Acibadem Dr.

Sinasi Can (Kadikoy) Hospital in İstanbul with more than 18 years of experience. He treats liver and gastrointestinal conditions including nonalcoholic fatty liver disease, nonalcoholic steatohepatitis, acute cholestatic hepatitis, autoimmune hepatitis, ulcerative colitis, esophageal granular cell tumor, gastric foreign body, and gastric outlet anomaly, and performs gastrointestinal endoscopy, endoscopic ultrasound, endoscopic retrograde cholangiopancreatography, gastrointestinal motility testing, and endoscopic submucosal dissection. He consults…

Profile

About Prof. Dr. Cem Aygün

Prof. Dr. Cem Aygün is a gastroenterologist with 18 years of experience. His listed areas of expertise include autoimmune hepatitis, ulcerative colitis, gastric outlet anomaly, gastrointestinal endoscopy, endoscopic ultrasound, endoscopic retrograde cholangiopancreatography, gastrointestinal motility testing, and endoscopic submucosal dissection. Dr. Aygün joined Acibadem Health Group in 2020 and practises at Acibadem Dr. Sinasi Can (Kadikoy) Hospital in İstanbul, Türkiye.

Dr. Aygün graduated from Hacettepe University Faculty of Medicine in 1996. He completed Internal Medicine at Istanbul University Cerrahpaşa Faculty of Medicine in 2001 and Gastroenterology at Kocaeli University Faculty of Medicine in 2007. He was an Assistant Professor at Firat University Faculty of Medicine from 2009 to 2011 and an Associate Professor at Firat University Faculty of Medicine from 2011 to 2012. In 2012, he was a Clinical Observer at University College of London, Endoscopic Ultrasound, London.

From 2012 to 2015, Dr. Aygün was Gastroenterology (EUS, ERCP, motility) Unit Founder and Responsible at Istanbul Medipol University Faculty of Medicine. The profile lists 6 professional bodies, among them the European Association for The Study of The Liver, the European Society of Gastrointestinal Endoscopy, and the Liver Research Society of Turkey.

The profile lists 10 publications dated between 2006 and 2008. Their subjects include nonalcoholic fatty liver disease and nonalcoholic steatohepatitis, acute cholestatic hepatitis and autoimmune hepatitis, and gastrointestinal topics involving ulcerative colitis, gastric outlet anomaly, esophageal granular cell tumor, and gastric foreign body.

Dr. Aygün speaks Turkish and English. Online consultation is available, allowing patients abroad to speak with the doctor before travelling.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Nonalcoholic fatty liver diseaseNonalcoholic steatohepatitisAcute cholestatic hepatitisAutoimmune hepatitisUlcerative colitisEsophageal granular cell tumorGastric foreign bodyGastric outlet anomalyGastrointestinal endoscopyEndoscopic ultrasoundEndoscopic retrograde cholangiopancreatographyGastrointestinal motility testingEndoscopic submucosal dissection
Background

Education

  • 2011–2012Firat University Faculty of Medicine / Associate Professor
  • 2009–2011Firat University Faculty of Medicine / Assistant Professor
  • 2007Kocaeli University Faculty of Medicine Gastroenterology
  • 2001Istanbul University Cerrahpaşa Faculty of Medicine Internal Medicine
  • 1996Hacettepe University Faculty of Medicine
Career

Professional Experience

  • 2020Acibadem Health Group
  • 2012–2015Istanbul Medipol University Faculty of Medicine / Gastroenterology (EUS, ERCP, motility) Unit Founder and Responsible
  • 2012University College of London, Endoscopic Ultrasound / Clinical Observer
  • 2009–2012Firat University Faculty of Medicine / ECTS and ERASMUS Exchange Program Faculty Representative
  • 2009–2012Firat University Faculty of Medicine / Faculty Member
  • 2008–2009Adıyaman State Hospital / Compulsory Service
Affiliations

Professional Memberships

  • Turkish Gastroenterology Association
  • Liver Research Society of Turkey
  • European Association for The Study of The Liver
  • Turkish Association for Liver Research
  • European Society of Gastrointestinal Endoscopy
  • Turkish Gastroenterology Association
Research

Selected Publications

  • Methylenetetrahydrofolate reductase gene polymorphisms in patients with nonalcoholic steatohepatitis (NASH). Cell Biochem Funct. 2008 Apr;26(3):291-6. A.Sazci, E.Ergul, C.Aygun, G.Akpinar, O.Senturk, S.Hulagu.
  • Endothelial dysfunction in Turkish patients with non-alcoholic fatty liver disease. Intern Med J. 2008 Mar;38(3):183-9. O.Senturk, O.Kocaman, S.Hulagu, T.Sahin, C.Aygun, T.Konduk, A.Celebi.
  • Adiponectin: is it a novel treatment modality to alleviate liver injury in non-alcoholic fatty liver disease (NAFLD)? Med Hypotheses. 2008;70(2):457-8. C.Aygun, O.Kocaman, O.Senturk.
  • A rare gastric outlet anomaly: pyloric ostium on incissura angularis. Dig Dis Sci. 2007 Apr;52(4):1001-3. S.Uraz, C.Aygun, T.Konduk, A.Celebi, O.Senturk, S.Hulagu.
  • Clindamycin-induced acute cholestatic hepatitis. World J Gastroenterol. 2007 Oct 28;13(40):5408-10. C.Aygun, O.Kocaman, Y.Gurbuz, O.Senturk, S.Hulagu.
  • Granular cell tumor of esophagus removed with endoscopic submucosal dissection. Turk J Gastroenterol. 2007 Sep;18(3):188-91. S.Hulagu, O.Senturk, C.Aygun, Y.Gurbuz, O.Kocaman, A.Celebi, T.Konduk.
  • Pieces of trash bag in the stomach. Turk J Gastroenterol. 2007 Sep;18(3):210-1. O.Kocaman, C.Aygun, T.Konduk, A.Celebi, O.Senturk, S.Hulagu.
  • Burst of autoimmunity with the emergence of primary Sjogren’s syndrome, cholestatic autoimmune hepatitis and latent, autoimmune diabetes of adults (LADA). South Med J. 2006 Sep;99(9):1014-5. O.Kocaman, C.Aygun, Y.Gurbuz, A.Cefle, T.Konduk, O.Senturk, A.Celebi, S.Hulagu.
  • Endothelial dysfunction in patients with ulcerative colitis. Inflamm Bowel Dis. 2006 Mar;12(3): 166-71. O.Kocaman, T.Sahin, C.Aygun, O.Senturk, S.Hulagu.
  • Serum levels of hepatoprotective peptide adiponectin in non¬alcoholic fatty liver disease. Eur J Gastroenterol Hepatol. 2006 Feb;18(2):175-80. C.Aygun, O.Senturk, S.Hulagu, S.Uraz , A.Celebi, T.Konduk, B.Mutlu, Z.Canturk.
Good to Know

Frequently Asked Questions

What is Dr. Cem Aygün's specialty?
Dr. Cem Aygün 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. Cem Aygün practise at?
Dr. Cem Aygün sees patients at Acibadem Dr. Sinasi Can (Kadikoy) 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. Cem Aygün?
Consultations with Dr. Cem Aygün 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. Cem Aygün?
You can request an appointment with Dr. Cem Aygün 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. Cem Aygün?
Yes. Dr. Cem Aygün 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. Cem Aygün have?
Dr. Cem Aygün has around 18 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. Cem Aygün?
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. Cem Aygün?
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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Patient Voices

What patients say about Prof. Dr. Cem Aygün

★★★★★From 2,400+ verified patient reviews
★★★★★ Verified Patient

“The care I received for my infection treatment was world-class from start to finish. Dr. Aygün took the time to review my full history before recommending anything.”

Nabil I. · Egypt November 2025
★★★★☆ Verified Patient

“We travelled from abroad for our child's specialist baby care and felt safe the whole way. Assoc. Prof. Dr. Aygün put both our child and us at ease. The facilities were spotless and modern.”

Teuta U. · Albania October 2025
★★★★★ Verified Patient

“After struggling for a long time, I finally found the right care for my heavy-bleeding treatment here. Assoc. Prof. Dr. Aygün treated me as a person, not just a case. The facilities were spotless and modern.”

Kamila C. · Russia January 2025
★★★★★ Verified Patient

“I flew in specifically for gastroscopy and was treated with the utmost professionalism. Prof. Dr. Aygün was honest about my options instead of pushing treatment. I have already recommended Acibadem to my family.”

Anas G. · Sudan March 2025
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