Asst. Prof. MD. Süleyman Sayar

Education & Training

• 2002 — Ondokuz Mayıs University Faculty of Medicine
• 2003 — Internal Medicine Doctorate, Dicle University Faculty of Medicine
• 2012 — Gastroenterology Fellowship, Ankara Numune Training and Research Hospital

Professional Experience

• Sep 2002 – Oct 2002 — Kars Ölçülü Primary Care Clinic
• Oct 2002 – May 2003 — Karaurgan Primary Care Clinic, Sarıkamış / Kars
• 2003 – 2008 — Research Assistant, Department of Internal Medicine, Dicle University
• Nov 2008 – May 2009 — Specialist, Şırnak State Hospital
• May 2009 – Jan 2013 — Gastroenterology Fellow, Ankara Numune Training and Research Hospital
• Jan 2013 – Aug 2015 — Gastroenterology Specialist, Gaziantep Dr. Ersin Arslan State Hospital
• Sep 2015 – Jun 2021 — Gastroenterology Specialist, Ümraniye Training and Research Hospital
• Jun 2021 – Mar 2023 — Chief Assistant & Associate Professor, Gastroenterology, Ümraniye Training and Research Hospital
• Mar 2023 – Jan 2024 — Gastroenterology Education Supervisor & Associate Professor, SBÜ Ümraniye Training and Research Hospital
• Feb 2024 – Present — Associate Professor of Gastroenterology, VM Medical Park Pendik Hospital

Professional Memberships

• Turkish Society of Gastroenterology
• Turkish Association for the Study of the Liver
• Turkish Society of Endoscopy

International Peer-Reviewed Publications

• Sayar S, Kürbüz K, Kahraman R, et al. Risk of hepatitis B reactivation during anti-TNF therapy in patients with past HBV infection. Turk J Gastroenterol. 2020;31(7):522-528.
• Sayar S, Ayranci G, Kürbüz K, et al. High frequency of gastric cancer precursor lesions in gastric xanthelasma patients: prospective case-control study. Eur J Gastroenterol Hepatol. 2020;32(9):1130-1134.
• Sayar S, Aykut H, Kaya Ö, et al. Bone mineral density screening in Turkish adults with celiac disease. Turk J Gastroenterol. 2021;32(7):600-607.
• Olmez S, Sayar S, Avcioglu U, et al. Relationship between liver histology and noninvasive markers in primary biliary cirrhosis. Eur J Gastroenterol Hepatol. 2016;28(7):773-776.
• Ak Ç, Aykut H, Pala E, et al. Post-ERCP complication analysis of an experienced center. Surg Laparosc Endosc Percutan Tech. 2022;32(6):707-713.
• Akkoca AN, Yanık S, Ozdemir ZT, et al. TNM & modified Dukes staging in colorectal carcinoma. Int J Clin Exp Med.
• Yanık S, Akkoca AN, Özdemir ZT, et al. Results of lower GI endoscopic biopsy. Int J Clin Exp Med. 2014;7(12):5820.
• Olmez S, Aslan M, Erten R, et al. Prevalence of gastric intestinal metaplasia & related lesions. Gastroenterol Res Pract. 2015;434039.
• Caliskan Z, Telci Caklili O, Kahraman R, et al. Coronary microvascular circulation in celiac disease. Echocardiography. 2020;37(1):34-40.
• Kahraman R, Şahin A, Öztürk O, et al. Effects of long-term antiviral therapy on bone mineral density in HBV. Turk J Gastroenterol. 2022;33(1):35-43.
• Sayar S, Gokcen P, Aykut H, et al. Non-invasive fibrosis models in PBC. Sisli Etfal Hosp Med Bull. 2021;55(3):412-418.
• Sayar S, Olmez S, Avcioglu U, et al. Endoscopic treatment outcomes in postoperative bile leakage. North Clin Istanb. 2016;3(2):104-110.
• Ak Ç, Adali G, Sayar S, et al. Portal vein thrombosis risk factors in LT candidates. Hepatol Forum. 2022;3(3):88-92.
• Ak Ç, Kahraman R, Sayar S, et al. Predicting acute pancreatitis prognosis using inflammatory markers. Sisli Etfal Hosp Med Bull. 2023;57(2).
• Ak Ç, Sayar S, Kilic ET, et al. EUS-FNA & ROSE in pancreatic lesions. North Clin Istanb. 2022;9(5):464-469.
• Ak Ç, Kahraman R, Sayar S, et al. Inflammatory markers vs scoring in acute pancreatitis. Sisli Etfal Hosp Med Bull. 2023;57(2):182-188.
• Çağatay AK, Sayar S, Kılıç ET, et al. Metal stents in malignant GI strictures. Indian J Palliat Care. 2023;29(1):64-69.
• Kilic ET, Sayar S, Kahraman R, et al. Obesity & sedation outcomes in advanced endoscopy. North Clin Istanb. 2019;6(4):321-326.
• Kilic ET, Sayar S. BIS monitoring as predictor of respiratory depression in ERCP sedation. Sisli Etfal Hosp Med Bull. 2020;54(4):444-450.
• Olmez S, Sayar S, Saritas B, et al. Evaluation of gastric polyps. North Clin Istanb. 2018;5(1):41-46.
• Sayar S, Öztürk O. Balloon dilation + SEM stent in stricturing Crohn's disease. Inflamm Bowel Dis. 2024;30(1):154-155.
• Koyuncuer A, Sayar S, Zemheri IE, et al. Pancreatic metastasis of urothelial carcinoma diagnosed by EUS-FNA. Diagn Cytopathol. 2022;50(10):E295-E300.
• Ak Ç, Sayar S, Kılıç ET. Schistosoma colitis mimicking ulcerative colitis: case report. Iran J Parasitol. 2022;17(3):431-435.
• Ak Ç, Sayar S, Adalı G, et al. Severe ulcerative colitis after mRNA COVID-19 vaccine. ACG Case Rep J. 2022;9(7).
• Olmez S, Sayar S, Avcoglu U, et al. Esophageal foreign body: plastic bag piece. Gastroenterol Nurs. 2016;39(2):129-130.