Education and Specialization
2002: Ondokuz Mayıs University, Faculty of Medicine
2003: Dicle University, Faculty of Medicine, Internal Medicine PhD
2012: Ankara Numune Training and Research Hospital, Subspecialty in Gastroenterology

Experience
23.09.2002 - 23.10.2002: Kars Ölçülü Health Center
24.10.2002 - 11.05.2003: Kars Sarıkamış Karaurgan Health Center
2003-2008: Dicle University, Faculty of Medicine, Internal Medicine Research Assistant
07.11.2008 - 15.05.2009: Şırnak State Hospital
20.05.2009 - 21.01.2013: SBÜ Ankara Numune Training and Research Hospital, Gastroenterology Fellowship Assistant
25.01.2013 - 25.08.2015: Gaziantep Dr. Ersin Arslan State Hospital, Gastroenterology Specialist
04.09.2015 - 10.06.2021: Ümraniye Training and Research Hospital, Gastroenterology Specialist
10.06.2021 - 13.03.2023: Associate Professor, Gastroenterology, Ümraniye Training and Research Hospital
13.03.2023 - 14.01.2024: Gastroenterology Education Officer, Associate Professor, Ümraniye Training and Research Hospital
07.02.2024 - Present: Gastroenterology Specialist, VM Medical Park Pendik, Associate Professor

Professional Memberships
Turkish Society of Gastroenterology
Turkish Liver Research Association
Endoscopy Society

Uluslararası hakemli dergilerde yayımlanan makaleler

1-Sayar S, Kürbüz K, Kahraman R, Öztürk O, Çalışkan Z, Doğanay HL, Özdil K. Risk of hepatitis B reactivation during anti-TNF therapy; evaluation of patients with past hepatitis B infection. Turk J Gastroenterol. 2020 Jul;31(7):522-528.

2-Sayar S, Ayranci G, Kürbüz K, Ak Ç, Tarikçi Kiliç E, Kahraman R, Atalay R, Öztürk O, Çalişkan Z, Adali G, Doganay L, Özdil K. High frequency of gastric cancer precursor lesions in patients with gastric xanthelasma: a prospective case-control study. Eur J Gastroenterol Hepatol. 2020 Sep;32(9):1130-1134.

3-Sayar S, Aykut H, Kaya Ö, Kürbüz K, Ak Ç, Gökçen P, Mutlu Bilgiç N, Adalı G, Kahraman R, Doganay L, Özdil K. Bone Mineral Density Screening and the Frequency of Osteopenia/Osteoporosis in Turkish Adult Patients With Celiac Disease. Turk J Gastroenterol. 2021 Jul;32(7):600-607.

4- Olmez S, Sayar S, Avcioglu U, Tenlik İ, Ozaslan E, Koseoglu HT, Altiparmak E. The relationship between liver histology and noninvasive markers in primary biliary cirrhosis.

Eur J Gastroenterol Hepatol. 2016 Jul;28(7):773-6.

5- Ak, Çağatay; Aykut, Hüseyin; Pala, Emin; Sayar, Süleyman; Tarikçi Kiliç, Ebru; Adali, Gupse; Kahraman, Resul; Öztürk, Oğuzhan; Özdil, Kâmil. Post-ERCP Complication Analysis of an Experienced Center. Surgical Laparoscopy, Endoscopy & Percutaneous Techniques 32(6): p 707-713, December 2022.

6- AN Akkoca, S Yanık, ZT Ozdemir, FG Cihan, S Sayar, TG Cincin, A Çam. TNM and Modified Dukes staging along with the demographic characteristics of patients    with   colorectal carcinoma Int J Clin Exp Med 7 (9), 2828-2835

7- Yanık, S., Akkoca, A. N., Özdemir Z. T., Sözütek, D., Yılmaz E, Sayar S. (2014). Evaluation of results of lower gastrointestinal endoscopic biopsi. International journal of clinical and experimental medicine, 7(12), 5820.

8-. Olmez S, Aslan M, Erten R, Sayar S, Bayram I. The Prevalence of Gastric Intestinal Metaplasia and Distribution of Helicobacter pylori Infection, Atrophy, Dysplasia, and Cancer in Its Subtypes Gastroenterol Res Pract. 2015; 2015:434039.

9-- Caliskan Z, Telci Caklili O, Kahraman R, Ozcan FB, Sayar S, Kostek O, Demircioglu K, Yılmaz Y, Kul S, Caliskan M. Does celiac disease impair coronary microvascular circulation: Coronary flow velocity reserve of patients with celiac disease. Echocardiography. 2020 Jan;37(1):34-40.

10- Kahraman R, Şahin A, Öztürk O, Çalhan T, Sayar S, Kanat E, Doğanay L, Özdil K. Effects of Long-Term Tenofovir and Entecavir Treatment on Bone Mineral Density in Patients with Chronic Hepatitis B. Turk J Gastroenterol. 2022 Jan;33(1):35-43.

11- Sayar S, Gokcen P, Aykut H, Adali G, Doganay HL, Ozdil K. Can simple Non-Invasive Fibrosis Models Determine Prognostic İndicators (Fibrosis and Treatment Response) of Primary Biliary Cholangitis? Sisli Etfal Hastan Tip Bul. 2021 Sep 24;55(3):412-418.

12- Sayar S, Olmez S, Avcioglu U, Tenlik I, Saritas B, Ozdil K, Altiparmak E, Ozaslan E. A retrospective analysis of endoscopic treatment outcomes in patients with Postoperative bile Leakage. North Clin Istanb. 2016 Nov 24;3(2):104-110.

13- Ak C, Adali G, Sayar S, Agackiran A, Kulali F, Kahraman R, Ozturk O, Ozdil K. Portal vein thrombosis risk factors in liver transplant candidates. Hepatol Forum. 2022 Sep 23;3(3):88-92.

14- Ak, C., Kahraman, R., Sayar, S., Kilic, E. T., Adali, G., & Ozdil, K. (2023). Prediction of Prognosis Acute Pancreatitis with Inflammatory Markers and Patient Characteristics Compared to the Scoring System: Real-Life Data. The Medical Bulletin of Sisli Etfal Hospital, 57(2).

15- Ak C, Sayar S, Kilic ET, Kahraman R, Ozturk O, Zemheri IE, Ozdil K. EUS-FNA and ROSE in solid lesions of the pancreas; have the same diagnostic efficacy compared to pancreatic sites? North Clin Istanb. 2022 Oct 27;9(5):464-469.

16- Ak C, Kahraman R, Sayar S, Kilic ET, Adali G, Ozdil K. Prediction of Prognosis Acute Pancreatitis with Inflammatory Markers and Patient Characteristics Compared to the Scoring System: Real-Life Data. Sisli Etfal Hastan Tip Bul. 2023 Jun 20;57(2):182-188.

17- Çağatay AK, Sayar S, Kılıç ET, Kahraman R, Öztürk O, Özdil K. The Role of Self-Expandable Metallic Stents in the Treatment of Malignant Strictures in all Segments of the Gastrointestinal Tract. Indian J Palliat Care. 2023 Jan-Mar;29(1):64-69.

18- Kilic ET, Sayar S, Kahraman R, Ozdil K. The effects of obesity on sedation-related outcomes of advanced endoscopic procedures. North Clin Istanb. 2019 Oct 24;6(4):321-326.

19- Kilic ET, Sayar S. Can Bispectral Index Monitoring (EEG) be an Early Predictor of Respiratory Depression under Deep Sedation during Endoscopic Retrograde Cholangiopancreatography? Sisli Etfal Hastan Tip Bul. 2020 Dec 11;54(4):444-450.

20- Olmez S, Sayar S, Saritas B, Savas AY, Avcioglu U, Tenlik I, Ozaslan E, Koseoglu HT, Altiparmak E. Evaluation of patients with gastric polyps. North Clin Istanb. 2018 Jan 10;5(1):41-46.

21-Süleyman Sayar, Oğuzhan Öztürk, A Case of Stricturing Crohn’s Disease Treated With Multiple Session Balloon Dilatation and Self-Expandable Metal Stent, Inflammatory Bowel Diseases, Volume 30, Issue 1, January 2024, Pages 154–155, 

22-Koyuncuer A, Sayar S, Zemheri IE, Özdil K, Özçelik M. An exceptionally rare case of metastatic high-grade urothelial carcinoma of the renal pelvis to the pancreas diagnosed on endoscopic ultrasound-guided fine-needle aspiration: A diagnostic challenge. Diagn Cytopathology. 2022 Oct;50(10): E295-E300.

23-Ak Ç, Sayar S, Kılıç ET. A Schistosoma Colitis Case Misdiagnosed as Ulcerative Colitis in a Non-Endemic Area: A Case Report. Iran J Parasitol. 2022 Jul-Sep;17(3):431-435.

24-Ak Ç, Sayar S, Adalı G, Özdil K. Acute Severe Ulcerative Colitis After mRNA Coronavirus Disease 2019 Vaccination: Can mRNA Vaccines Unmask Inflammatory Bowel Diseases? ACG Case Rep J. 2022 Jul 1;9(7).

25-Olmez, Sehmus MD; Sayar, Suleyman MD; Avcoglu, Ufuk MD; Tenlik, İlyas MD. Esophageal Foreıgn Body: Plastıc Bag Pıece. Gastroenterology Nursing 39(2): p 129-130, Marc/April 2016