Prof. MD.

Erdem Akbal



  • Early diagnosis of digestive system cancers
  • Endoscopic treatments of digestive system cancers (EMR, ESD, POET, STER, EFTR)
  • Endoscopic obesity treatments (Endoscopic Sleeve Gastroplasty)
  • Endoscopic Reflux treatment (Stretta, ARM)
  • Achalasia, Swallowing disorders
  • POEM
  • colonoscopy
  • Chromoendoscopy

  • Ankara University Faculty of Medicine
  • Diskapi Yildirim Beyazit Training and Research Hospital
  • Ankara Training and Research Hospital
  • John Hopkins Hospital
  • Amsterdam Medical Center
  • Jichi Medical University
  • Liv Hospital Ulus
  • Memorial Bahçelievler Hospital
  • Florence Nightingale Hospitals Group
  • Çanakkale Onsekiz Mart University
  • Ankara Training and Research Hospital
  • Amasya Suluova State Hospital
  • Diskapi Yildirim Beyazit Epithym and Research Hospital
A. Articles published in international peer-reviewed journals
A1. Oktay B, E. Akbal, Firat H, Ardic S, Akdemir R, Kizilgun M. "Evaluation of the relationship between heart type fatty acid binding protein levels and the risk of cardiac damage in patients with obstructive sleep apnea syndrome", Sleep Breath. 2008 Aug;12(3):223-8
A2. Ureten K, Bostancı A, E. Akbal, Gönülalan G, Ozbek M, Oztürk MA. “Familial Mediterranean fever with chronic ascites: a case report and a review of literature” Rheumatol Int. 2009; 29(12): 1477-1480.
A3. Koçak E, Köklü S, E. Akbal, Huddam B, Azak A, Yilmaz SR. “Development of glomerulonephritis early in the course of Crohn's disease” Inflamm Bowel Dis. 2010 Apr;16(4):548-9.
A4. Ureten K, Gönülalan G, E. Akbal, Güneş F, Akyürek O, Ozbek M, Oztürk MA. “Demographic, clinical and mutational characteristics of Turkish familial Mediterranean fever patients: results of a single center in Central Anatolia” Rheumatol Int. 2010 May;30(7):911-5
A5. Ozbek M, Erdogan M, E. Akbal, Gönülalan G, "Disappearance of a GH secreting macroadenoma, during long-term somatostatin analogue administration"  Exp Clin Endocrinol Diabetes. 2009 Jul;117(7):309-11
A6. Akbal E, Koçak E, Köklü S. “Mesalamine (pentasa)-induced painful skin lesions” Inflamm Bowel Dis. 2010 May;16(5):725-6.
A7. Akbal E, Ozbek M, Güneş F, Akyürek O, Ureten K, Delibaşı T. “Serum heart type fatty acid binding protein levels in metabolic syndrome” Endocrine. 2009 Dec;36(3):433-7
A8. Oktay B, E. Akbal, Firat H,  Ardic S, Kizilgun M.CPAP treatment in the coexistence of obstructive sleepapnea syndrome and metabolicsyndrome, results of one year follow up” Acta Clin Belg. 2009 Jul-Aug;64(4):329-34.
A9. Biyikoğlu I, Babali A, Cakal B, Köklü S, Filik L, Astarci MH, Ustun H, Ustundag Y, E. Akbal. “Do scattered white spots in the duodenum mark a specific gastrointestinal pathology?” J Dig Dis. 2009 Nov;10(4):300-4
A10. Köklü S, Yüksel O, Onur I, Unverdi S, Bıyıkoğlu I, E. Akbal, Sengül D, Unverdi H, Ekşioğlu M. “Ileocolonic Involvement in Behçet's Disease: Endoscopic and Histological Evaluation” Digestion. 2010;81(4):214-7
A11. Köklü S, E. Akbal, Yıldız M, Kaptanoğlu B, "An Unusual Cause Of Intractable Hematemesis In A 72-Year-Old Man" J Am Geriatr Soc. 2009 Nov;57(11):2154-5.
A12. Akbal E, Seyfettin Köklü, Erdem Koçak, Başak Çakal, Fatma Kılıç, "5-Aminosalicyclic acid induced multisystem disorders in the course of Crohn's disease" J Crohns Colitis. 2010 Sep;4(3):345-6.
A13. Köklü S, Köklü G, Ozgüçlü E, Kayani GU, E. Akbal, Hasçelik Z. “Clinical trial: interferential electric stimulation in functional dyspepsia patients - a prospective randomized study”Aliment Pharmacol Ther. 2010 May;31(9):961-8.
A14. Köklü S, Alioğlu B, E. Akbal, Koçak E. “Celiac Disease in Siblings With Pearson Syndrome” Am J Med Sci. 2010 Apr;339(4):392-4.
A15. Tas A¸E.Akbal, Koçak E, Köklü S, Yılmaz Ö, Turan A, "Abdominal pain due to rectus abdominis muscle haematoma associated with anticoagulant therapy". Emerg Med Australas. 2010 Jun;22(3):252-3.
A16. Taş A, E.Akbal, Akgedik S, Köklü S. “Mucinous cystadenoma of the peritoneum: A rare cause of ascites” Dig Liver Dis. 2010 Dec;42(12):910-1.
A17. Akbal E, Filik L. “Unnoticed ingestion of dislodged fixed prosthesis in an elderly patient” Gerondontology 2012 Jun;29(2):e1261-2
A18. Ozbek M, Erdogan M, Dogan M, E. Akbal, Ozturk MA, Ureten K. “Serum Heart-Type Fatty Acid Binding Protein (H-FABP) Levels in Acromegaly Patients” J Endocrinol Invest 2011 Sep;34(8):576 -9
A19. Köklü S, E. Akbal, Demirel AH, Gönültaş MA. “Multiple cancer foci in the colon of a man with operated rectum carcinoma” Am Surg. 2010 Sep;76(9):1021-2
A20. Cakal B, Beyazit Y, Koklu S, E. Akbal, Biyikoglu I, Yilmaz G. “Elevated adenosine deaminase levels in celiac disease” J Clin Lab Anal. 2010;24(5):323-6
A21. Akbal E, Taş A, Köklü S, Biyikoğlu I, Köklü H. “A giant intra-abdominal mass in a 68-year-old woman” J Am Geriatr Soc. 2010 Oct;58(10):2038-9
A22. Akbal E, Altunkaya C, Köklü S, “A Large Mass in the Cecum of a Young Man” Gastroenterology. 2010 Nov;139(5):e1-2
A23. Akbal E, Koçak E, Taş A, Köklü S, “Phlebotomy in the treatment of primary biliary cirrhosisScand J” Gastroenterol. 2011 Jan;46(1):124-5
A24. Beyazit Y, Köklü S, E. Akbal, Kurt M, Kekilli M, Haznedaroglu IC, "Successful treatment of endoscopic sphincterotomy-induced early hemorrhage with application of Ankaferd Blood Stopper Gastrointest Endosc. 2010 Dec;72(6):1325-6
A25. Köklü S, Başar O, E. Akbal, Ibiş M, “Gastric Serrated Adenoma Polyp Treated With Endoscopic Band Ligation (With Video)” Surg Laparosc Endosc Percutan Tech. 2010 Dec;20(6):e204-5
A26. Koçak E, Köklü S, E. Akbal, “Extreme high serum level of carbohydrate antigen 19-9 in a patient with a single biliary stone” Am Surg. 2010 Dec;76(12):1429-30
A27. Unverdi S, Ceri M, Oztürk MA, E. Akbal, Ensari A, Yılmaz R, Kocak E, Inal S, Koklu S, Duranay M, “A Patient with Crohn's Disease who Presented with Thrombotic Thrombocytopenic Purpura/Hemolytic Uremic Syndrome” by Ren Fail. 2011;33(2):244-5
A28. Akbal E, Köklü S, Babalı A, “Impact of radiofrequency ablation for Barrett's esophagus on quality of lifeEndoscopy. 2011 Mar;43(3):244
A29. Demirel AH, E. Akbal, Köklü S, Kuru S, Cakal B, Dönmez M, “An unusual cause of iron deficiency anemia and abdominal pain in a young female Am Surg. 2011 Jan;77(1):127-8
A30. Taş A, Köklü S, Beyazit Y, Karaca G, Astarcı HM, E. Akbal, Koçak E, Topçu G, Haznedaroglu IC, “Percutaneous ankaferd injection to in vivo liver tissue in comparison to ethanol in an experimental rat model” Clin Res Hepatol gastroenterol. 2011 Sep;35(8-9):549-53
A31. Koçak E, Köklü S, E. Akbal, Taş A, Karaca G, Astarcı MH, Güven B, Can M, “NaOH-Induced Crohn's Colitis in Rats: A Novel Experimental Model Dig Dis Sci. 2011 Oct;56(10):2833-7
A32. Köklü S, Koçak E, E. Akbal, “Air cholangiography for severe hilar obstruction at ERCP” Gastrointest Endosc. 2011 Jun;73(6):1326.
A33. Ozkan H, Demirbaş S, Ibiş M, E. Akbal, Köklü S, “Diagnostic Validity of Serum Macrophage Inhibitor Cytokine and Tissue Polypeptide-Specific Antigen in Pancreatobiliary Diseases” Pancreatology. 2011;11(3):295-300
A34. Akbal E, Köklü S, Karaca G, Astarcı HM, Koçak E, Taş A, Beyazıt Y, Topcu G, Haznedaroğlu IC, “Beneficial effects of Ankaferd Blood Stopper on caustic esophageal injuries: an experimental model”  Dis Esophagus 2012 Apr;25( 3):188-94
A35. Koçak G, Koçak E, E. Akbal, Duranay M, Köklü S, “A rare cause of severe hypoalbuminemia in a patient with primary hypoparathyroidism: intestinal lymphangiectasia” Acta Clin Belg. 2011 May-Jun;66(3):246-7
A36. Akyurek O, Unverdi S, Gunes F, Oguz O, E. Akbal, Ayli MD, “An important causative factor in peritoneal dialysis catheter removal: Salmonella Typhimurium” Perit Dial Int. 2011 Sep-Oct;31(5):602-3
A37. Tuna Y, E. Akbal, Köklü S, “Thrombotic thrombocytopenic purpura following post-ERCP pancreatitis” 2 Transfus Apher Sci. 2011 Dec;45(3):313-4
A38. Kaya G, Koçak E, E. Akbal, Taş A, Köklü S, “Comparison of the possible risk factors of bone mineral density in subjects with ulcerative colitis and healthy subjects” South Med J. 2011 Nov;104(11):747- 51
A39. Taş A, Koklu S, Beyazit Y, E. Akbal, Kocak E, Celik H, Bıyıkoğlu I, “ The endoscopic course of scattered white spots in the descending duodenum: a prospective study” Gastroenterol Hepatol. 2012 Feb;35(2):57-64
A40. Beyazit Y, Koklu S, Tas A, Purnak T, Sayilir A, Kurt M, Turhan T, Celik T, Suvak B, Torun S, E. Akbal, “Serum adenosine deaminase activity as a predictor of disease severity in ulcerative colitis” J Crohn's Colitis. 2012 Feb;6(1):102-7
A41. Invention H, Koyuncu A, Yildiz M, Coşkun A, Köklü S, E. Akbal, “Chronic myeloid leukemia presenting with spontaneous splenic rupture”Am Surg. 2012 Jan;78(1):E28-9
A42. Ergül B, Koçak E, E. Akbal, Köklü S, Astarci HM, “Pegylated interferon associated lichen planus at the injection site”  Acta Gastroenterol Belg. 2011 Dec;74(4):591-2
A43. Cakal B, E. Akbal, Köklü S, Babalı A, Koçak E, Taş A, “Acute therapy with intravenous omeprazole on caustic esophageal injury: a prospective case series” Dis Esophagus. 2012 Feb 14. doi: 10.1111/j.1442-2050.2011.01319.x.
A44. Tas A, Köklü S, Yüksel I, Başar O, E. Akbal, Cimbek A, “No significant association between halitosis and upper gastrointestinal endoscopic findings: a prospective study” Chin Med J (Engl). 2011 Nov;124(22):3707-10.
A45. Akbal E, Batgi H, Koçak E, Canatan T, Köklü S, “Low-dose amiodarone-induced fatal liver failure” Drug Chem Toxicol. 2012 Feb 23. [Epub ahead of print]
A46. Koçak E, Köklü S, Başar O, Yilmaz FM, Ciftçi A, Kaya C, Cesur S, Demirci S, E, Akbal, Taş A, “Evaluation of serum TWEAK concentration in patients with acute pancreatitis” Scand J Clin Lab Invest. 2012 May;72(3):192-6
A47. Koçak E, Ergül B, Köklü S, E. Akbal, “Ectopic spleen presenting as an abdominal mass in a patent with Crohn's dissease” J Crohns Colitis. 2012 Apr;6(3):394-5
A48. Gunes F, E. Akbal, Cakir E, Akyurek O, Altunbas M, Ozbek M, “Visfatin may be a novel marker for identifying stages of essential hypertension in advanced age patients” Intern Med. 2012;51(6):553-7.
A49. Akbal E, Koçak E, Taş A, Yüksel E, Köklü S, “Visfatin levels in nonalcoholic fatty liver disease” J Clin Lab Anal. 2012 Feb;26(2):115-9
A50. Invention H, Yavuz A, Yíldírím AC, Yíldíz M, Köklü S, E. Akbal, “A giant breast lipoma” Am Surg. 2012 Mar, 78(3):E185-6.
A51. Ceri M, Unverdi S, Dogan M, Unverdi H, Karaca G, Kocak G, Kuraltak I, E. Akbal, Can M, Duranay M, “Effect of sirolimus on the regression of peritoneal sclerosis in an experimental rat model” Int Urol Nephrol . 2012 Jun;44(3):977-82
A52. Koçak E, Ergül B, E. Akbal, Köklü S, Karakayali AS, “Subcapsular hepatic hematoma after ERCP” Acta Gastroenterol Document. 2012 Mar;75(1):63
A53. Yavuz A, Invention H, Akkoca M, Özayar E, Ünlü EN, E. Akbal, Köklü S, "Systemic candidiasis arising from percutaneous endoscopic gastrostomy tube” Gastrointest Endosc. 2012 Jun;75(6):92-3
A54. Akbal A, E. Akbal, Selçuk B, Kurtaran A, Köklü S, Ersöz M, Akyüz M, “How does metabolic syndrome affect the functional ambulation in stroke patients?” Top Stroke Rehab. 2012 Jul-Aug;19(4):345-52
A55. Tas A, E. Akbal, Beyazit Y, Kocak E, “Serum lactate level predict mortality in elderly patients with cirrhosis” Wien Klin Wochenschr. 2012 Aug;124(15-16):520-5
A56. Tas A, Köklü S, Kocak E, E. Akbal, Ergul B, “An unusual cause of acute pancreatitis: annular pancreas and papillary opening of the cystic duct” Gut Liver. 2012 Jul;6(3):403-4
A57. Çoban S, E. Akbal, Köklü S, Köklü G, Ulaşlı MA, Erkeç S, Aktaş B, Yüksel O, Koçak E, Erdem HR, “Clinical trial: transcutaneous interferential electrical stimulation in individuals with irritable bowel syndrome - a prospective double- blind randomized study” Digestion. 2012;86(2):86-93
A58. Başar O, E. Akbal, Köklü S, Koçak E, Tuna Y, Ekiz F, Gültuna S, Yılmaz FM, Aydoğan T, “A novel appetite peptide, nesfatin-1 in patients with non-alcoholic fatty liver disease” Scand J Clin LabInvest. 2012 Oct;72(6):479-83
A59. Doğan Z, Filik L, Ergül B, Sarikaya M, E. Akbal., “Association between Helicobacter pylori and liver-to-spleen ratio: a randomized-controlled single-blind study” Eur J Gastroenterol Hepatol. 2012 Sep 25. [Epub ahead of print]
A60. Köklü S, Tuna Y, Gülşen MT, Demir M, Köksal AS, Koçkar MC, Aygün C, Coban S, Ozdil K, Ataseven H, Akın E, Pürnak T, Yüksel I, Ataseven H, Ibiş M, Yıldırım B, Nadir I , Küçükazman M, E.Akbal, Yüksel O, Başar O, “Long-Term Efficacy and Safety of Lamivudine, Entecavir, and Tenofovir for Treatment of HBV-Related Cirrhosis.” Clin Gastroenterol Hepatol. 2012 Oct 9. pii: S1542-3565(12)01157-3. doi: 10.1016/j.cgh.2012.10.003. [Epub ahead of print].
A61. Akbal E, Akbal A, Koçak E, Taş A, Köklü S. “Pathological vertebra fracture in a man with primary biliarycirrhosis” IJOM 2011; 14: 173-174
A62. Taş A, Koçak E, E. Akbal, Köklü S, “Treatment of glomerulonephritis associated with hepatitis C virus in patient with cirrhosis: only pegylated interferon and ribavirin” Chin Med J (Engl). 2011 May;124(10):1600
A63. Taş A, E. Akbal, Koçak E, Köklü S., “Moxifloxacin-tetracycline-lansoprazole triple therapy for first-line treatment of Helicobacter pylori infection: a prospective study” Helicobacter. 2011 Feb;16(1):52-4
A64. Akbal E, Köklü S,Koçak E, Taş A, Sarıkaya M, “Pigtail Plastic Biliary Stenting Can be a New Stone Formation in Common Bile Duct” Am Surg 2012;78; 258-259
A65. Köklü S, Köklü G, E. Akbal. “Effects of transcutaneous electrical acu-stimulation in patients with functional dyspepsia: authors reply” Aliment Pharmacol Ther. 2010 Jun;31(12):1371-2
A66. Akbal E, Köklü S, Koçak E, Astarcı HM, Karaca G, Beyazıt Y, Topcu G, Ergün D, Haznedaroğlu IC. Oral High-Dose Ankaferd Administration Effects on Gastrointestinal System. International Journal of Medical Sciences. Accepted, in press
A67. Akbal E,  Demirci S, Koçak E, Köklü S, Başar Ö, Tuna Y. Alterations of platelet function and coagulations parameters during acute pancreatitis. Blood Coagulation and Fibrinolysis. Accepted, in press
A68. Demirci S, E. Akbal, Koçak E, Taş A, Köklü S. Adipokines levels course of mild biliary pancreatitis. Annals of Nutrition and Metabolism. Accepted, in press, DOI: 10.1159/000336288.
A69. Ucar F, Sezer S, Ginis Z, Ozturk G, Albayrak A, Basar O, Ekiz F, Coban S, Yuksel O, Armutcu F,Akbal E. APRI, the FIB-4 score, and Forn's index have noninvasive diagnostic value for liver fibrosis in patients with chronic hepatitis B. Eur J Gastroenterol Hepatol. 2013 Sep;25(9):1076-81. do
A70. Koçak E, Akbal E, Taş A, Köklü S, Karaca G, Can M, Kösem B, Üstün H. Anti-inflammatory efficiency of Ankaferd blood stopper in experimental distal colitis model. Saudi J Gastroenterol. 2013 May-Jun;19(3):126-30
A71. Gunes F, Akbal E, Asik M, Sen H, Binnetoglu E, Kizilgun M, Ozbek M. Number of metabolic syndrome risk parameters associated with TAFIa/ai antigen levels. Blood Coagul Fibrinolysis. 2013 Dec;24(8):844-7.
A72. Asik M, Gunes F, Binnetoglu E, Eroglu M, Bozkurt N, Sen H, Akbal E, Bakar C, Beyazit Y, Ukinc K. Decrease in TSH levels after lactose restriction in Hashimoto's thyroiditis patients with lactose intolerance. endocrine 2014 Jun;46(2):279-84.
A73. Gunes F, Asik M, Temiz A, Binnetoglu E, Sen H, Bilen Oİ, Akbal E, Adam G, Ukinc K. Gastrointestinal bleeding associated with dabigatran in a patient with panhypopituitarism. Wien Klin Wochenschr. 2014 Jan;126(1-2):62-3.
A74. Binnetoğlu E, Akbal E, Güneş F, Sen H. The prognostic value of neutrophil-lymphocyte ratio in acute pancreatitis is controversial. J Gastrointest Surg. 2014 Apr;18(4):885.
A75. Akyürek Ö, Akbal E, Güneş F, Akyürek N. Peroxisome proliferator-activated receptor gamma concentrations in newly diagnosed hypertension patients and the metabolic effects of olmesartan. ArchMed Res. 2014 Feb;45(2):138-42.
A76. Binnetoğlu E, Akbal E, Sen H, Güneş F, Erbağ G, Aşık M, Bozkurt N, Uludağ A, Tekin M, Tekin SZ. Pantoprazole-induced thrombocytopeniain patients with upper gastrointestinal bleeding. Platelets. 2014 Feb 10. [Epub ahead of print]
A77. Topaloğlu N, Akbal E, Yıldırım S. Importance of rectal urgency in childhood irritable bowel syndrome. J Neurogastroenterol Motil. 2014 Apr 30;20(2):280
A78. Gökmen F, Akbal A, Reşorlu H, Gökmen E, Güven M, Aras AB, Erbağ G, Kömürcü E, Akbal E, Coşar M. Neutrophil-Lymphocyte Ratio Connected to Treatment Options and Inflammation Markers of Ankylosing Spondylitis. J Clin Lab Anal. 2014 May 21
A79. Adam G, Güneş F, Akbal E, Cinar C, Bozkaya H, Resorlu M, Aylanç N, Koçak E. An unusual case of ectopic variceal bleeding treated with percutaneous intervention. Acta Gastroenterol Document. 2014 Jun;77(2):270-1
A80. Akyürek Ö, Akbal E, Güneş F. Increase in the risk of ST elevation myocardial infarction is associated with homocysteine ​​level. ArchMed Res. 2014 Aug;45(6):501-6. doi: 10.1016/j.arcmed.2014.08.003
A81. Akbal E, Erbağ G, Binnetoğlu E, Güneş F, Bilen YG. An unusual gastric ulcer cause: celiac crisis. Wien Klin Wochenschr. 2014 Oct;126(19-20):661-2. doi: 10.1007/s00508-014-0588-3.
A82. Gunes F, Asik M, Temiz A, Vural A, Sen H, Binnetoglu E, Bozkurt N, Tekeli Z, Erbag G, Ukinc K,Akbal E. Serum H-FABP levels in patients with hypothyroidism. Wien Klin Wochenschr. 2014 Nov;126(21-22):727-733.
A83. Sen H, Tan YZ, Binnetoğlu E, Aşık M, Güneş F, Erbağ G, Gazi E, Cevizci S, Ozdemir S, Akbal E, Ukinç K. Evaluation of liver perfusion in diabetic patients using 99mTc-sestamibi. Wien Klin Wochenschr. 2014 Sep 19.
A84. Koçak G, Koçak E, Akbal E, Şen H, Erbağ G, Erdoğan C. Eosinophilic colitis: a rare cause of lower gastrointestinal bleeding in an elderly adult. J Am Geriatrics Soc. 2014 Oct;62(10):2016-7. doi: 10.1111/jgs.13043.
A85. Adam G, Cinar C, Akbal E. Rare Thyroid Cartilage Involvement of Multiple Myeloma Visualized on F-18 FDG-PET/CT Imaging: 3 Case Reports. Indian J Surg Oncol. 2014 Sep;5(3):194-195.
A86. Akbal E, Koçak E, Akyürek O, Köklü S, Batgi H, Senes M. Liver fatty acid-binding protein as a diagnostic marker for non-alcoholic fatty liver disease. Wien Klin Wochenschr. 2014 Dec 2
A87. Koçak E, Akbal E, Köklü S, Adam G. Evaluation of serum L-FABP levels in patients with acute pancreatitis. National Journal of Medicine and Emergency Traumatology.
A88. Yüksel E, Akbal E, Koçak E, Akyürek Ö, Köklü S, Ekiz F, Yılmaz B. The relationship between visfatin, liver inflammation, and acute phase reactants in chronic viral hepatitis B. Wien Klin Wochenschr. 2015 Apr 9
A89. Batgi H, Akbal E, Koçak E, Akyürek Ö, Köklü S, Dönmez M, Güneş F. Treatment of hemorrhagic gastritis by Ankaferd blood stopper versus Omeprazole: experimental randomized rat models. Wien Klin Wochenschr. 2015 Apr 10
A90. Invention H, Akyürek O, Akbal E, Yavuz A, Aydın A, Şimşek G. Perianal basal cell carcinoma: An uncommon localization. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:239-40. doi: 10.5152/tjg.2014.6251
A91. Çiftci A, Yilmaz B, Köklü S, Yüksel O, Özsoy M, Erden G, Öztürk G, Akbal E, Ergül B, Koçak E, Cesur S. Serum levels of nitrate, nitrite and advanced oxidation protein products (AOPP) in patients with nonalcoholic fatty liver disease. Acta Gastroenterol Document. 2015 Jun;78(2):201-5.
A92. Uysal F, Akbal E, Günes F, Sacar S, Ozdemir H. An unusual and serious cause of gastritis: emphysematous gastritis. Diagn Interv Imaging. 2015 Mar;96(3):291-2. doi: 10.1016/j.diii.2014.11.025.
A93. Adam G, Güneş F, Cinar C, Bozkaya H, Baş S, Akbal E, Uysal F, Resorlu M, Adam F, Özdemir H. An unusual case of severe upper gastrointestinal bleeding treated using an endovascular technique. Am Surg. 2014 Dec;80(12):E367-9.
A94. Aşık M, Ozkul F, Toman H, Durmuş A, Anaforoğlu I, Güneş F, Akbal E. Co-occurrence of Papillary and Follicular Thyroid Carcinoma in a Patient with Hodgkin's Disease. Turk J Haematol. 2013 Jun;30(2):209-10. doi: 10.4274/Tjh.2012.0173. Epub 2013 Jun 5.
A95. Akbal E, Köklü S, Koçak E, Cakal B, Güneş F, Başar O, Tuna Y, Senes M. Liver fatty acid-binding protein is a diagnostic marker to detect liver injury due to chronic hepatitis Cinfection. ArchMed Res. 2013 Jan;44(1):34-8. doi: 10.1016/j.arcmed.2012.11.007.
A96. Gökmen F, Akbal A, Reşorlu H, Binnetoğlu E, Cevizci S,  Gökmen E, Köse MM,  Türkyılmaz AK, Akbal E.  Mean platelet volume and Neutrophil-Lymphocyte Ratio as Related to Inflammation Marker and anti-ccp in Rheumatoid Arthritis.Akt 2014; DOI: 10.1055/s-0034-1374605
A97. Gökmen Ferhat, Akbal Ayla, Günes Fahri, Türkön Hakan, Vural Ahmet, Binnetoglu Emine, Kömürcü, Erkam, Sen Hacer, Asık Mehmet, Akbal Erdem (2014). Serum fetuin-A level in patients with ankylosing spondylitis and its relationship with clinical parameters. Archives of Rheumatology, doi: 10.5606/ArchRheumatol.2015.5061.
A98.Koçak E, Akbal E, Köklü S, Ergül B, Can M. The Colonic Tissue Levels of TLR2, TLR4 and Nitric Oxide in Patients with Irritable Bowel Syndrome. InternMed. 2016;55(9):1043-8
A99. Uysal F, Akbal E, Akbal A, Cevizci S, Arık K, Gazi E. Epicardial Adipose Tissue Is Increased in Patients With Inflammatory Bowel Disease. J Ultrasound Med. 2016 Jul 14.
A101. Akgun Y, Bakirdogen S, Kadioglu Kocak MG, Bektas S, Demir C, Akbal E, Elmas S. Efficacy of adalimumab therapy in experimental rat sclerosing encapsulated peritonitis model.Croat Med J. 2019 Oct 31;60(5):431-438
A102. Serter İ, Eroğlu E, Akbal E, Kesici U, Altınlı E. Horseshoe Appendix Is an Extremely Rare Cause of Acute Appendicitis. Am Surg. 2018 Nov 1;84(11):e490-e491.
A103. Ozkan OF, Tas S, Akbal E. ENDOSCOPIC REMOVAL OF AN UNUSUAL FOREIGN BODY FROM STOMACH: A WRISTWATCH. Arq Bras Cir Dig. 2019 Aug 26;32(2):e1445.
A104. Erdogan M, Ozbek M, Akbal E, Ureten K. Plasma thrombin-activatable fibrinolysis inhibitor (TAFI) antigen levels in acromegaly patients in remission. Turk J Med Sci. 2019 Oct 24;49(5):1381-1385.
A105.. Intraoperative Endoscopic Retrograde Cholangiopancreatography in patients with complex benign biliary tract pathologies A case series. Ozkan OF, Akbal E, Goret CC, Goret NE, Ozturk A, Cikman O, Koçak E.Ann Ital Chir. 2018;89:413-418.
106. Koçak E, Akbal E, Beyazit Y, Ergül B, Karataş A, Köklü S, Ekşioğlu HM.Int J Rheum Dis. Celiac disease prevalence in a large series of patients with Behçet's disease.2018 Dec;21(12):2146-2150.

Articles published in national peer-reviewed journals
1. Küçükyılmaz H, Tütüncü YA, Yıldız M, E. Akbal,Serkant U, Ilıman N. “Investigation of the Relationship Between Hypothyroidism and Hyperthyroidism and Pulmonary Hypertension” Journal of Ankara Univercity Faculty of Medicine 2005; 58(1):30-33
2. Çoban M, Küçükyılmaz H, Yıldız M, E. Akbal, Gültekin İ, Sarıbacak E. “The Value of Electrocardiography in Differentiating Patients with Ischemic and Non-Ischemic Dilated Cardiomyopathy with Left Branch Block” Medical Network Cardiology Journal 2005; 12(4):268-280
3.Akbal E, Gültekin İ, Küçükyılmaz H, Akıncı S, Ilıman N. “Acute Myocardial Infarction in a Young Patient with High Factor VIII Level” Medical Network Cardiology Journal 2005; 12(4):290-293
4. Akbal E, Akıncı S, Selçuklu G, İskender D, Küçükyılmaz H. “Rare Cause of Myocardial Infarction: Carbon Monoxide Poisoning” Medical Network Journal of Cardiology 2006; 13(3):207-210
5. Yavuz A, E. Akbal, Altınbaş M, Akyüz M. “A Case of Rheumatoid Arthritis Developing Pancytopenia Due to Methotrexate” Medical Network Journal of Internal Medicine 2006; 1(5-6): 392-395
6. Akbal E, İmamoğlu İ, Altınbaş M. “A Case of Ventricular Tachycardia and Cardiomyopathy Due to Lithium Use” Medical Network Cardiology Journal 2007; 14(5):342-345
7. Akbal E, Altınbaş M. “Protein S Deficiency and Ischemic Optic Neuropathy in Mitral Valve Prolapse” Medical Network Ophthalmatology Journal; 2007 14(2):2
8. Akbal E, Akyurek Ö, Can ES, Gunes F, Altinbas M. “Albendazole-induced bicytopenia: case report” Turkish Journal of Hematology 2008;25(1):45-47
9. Akbal E, Özbek M, Güneş F, Akyürek Ö, Gönülalan G, Altınbaş M. “A Case of Jaundice in Complete Remission with Hyperthyroidism Treatment” Medical Network Journal of Internal Medicine; 2008 2(3):114-117
10. Karatay E, E. Akbal, Koca D, Gönülalan G, Altınbaş M. “Atypical hand and foot syndrome in a patient receiving capecitabine treatment: a case report”
Turkish Journal of Oncology 2008;23(3):140-141
11. Akbal E, Ureten K. “Antifophospholipid Syndrome: Review” Medical Network Journal of Internal Medicine; 2008 3(3):211-215.
12. Akbal E, Oktay B, Fırat H, Özbek M, Ardıç S, Kızılgün M. “Long oxygen desaturation time is a risk factor for metabolic syndrome” TURK-JEM 2008;12:63-7.
13.Akbal E, Koca D, Altınbaş M. “A Case with Arterial Embolism with Factor V Leiden Mutation and Pseudoprotein S Deficiency” Erciyes Medical Journal 2009;31: 344-348
14. Akbal E, Filik L. “Protein-losing enteropathies” Current Gastroenterology 2010;14:84-89.
15. Akyürek Ö, E. Akbal, Güneş F, Özbek M, Altınbaş M. “Is the coexistence of hereditary elliptocytosis and Osler Weber Rendu coincidental?” Erciyes Medical Journal 2012;34: 85-87.
16. Altınbaş M, E. Akbal, Dikilitaş M, Akşahin A. “A Questionnaire Study Concerning the Etiology of Breast Cancer” Acta Oncologica Turcica 2010;43:19-22.
17. Ergül B, E. Akbal E, Taş A, Şimşek B, Köklü S. “A rare case of dysphagia resolved by endoscopic method: Plummer Vinson Syndrome” S.B Ankara Training and Research Hospital Medical Journal 2010; 44 (2) :27-29
  • Turkish Gastroenterology Association
  • Gastrointestinal Endoscopy Association
  • Turkish Liver Research Association
  • Hepatogastroenterology Association
  • Inflammatory Bowel Diseases Association
  • Second prize for best oral presentation. Akbal E, Koçak E, Karaca G, Köklü S, Astarcı HM, Taş A, Beyazıt Y, Haznedaroğlu İ. Acute and chronic effects of Ankaferd blood stopper on the gastrointestinal tract mucosa. 7th hepatogastroenterology Congress; 29 September-3 October 2010.
  • Third prize for best oral presentation. Yaman Y, E. Akbal, Gündoğan C, Köklü S, The effects of lidocaine spray timing on the procedure and patient in upper gastrointestinal endoscopies. 8th Hepato Gastroenterology Congress, Antalya, Turkey, 28 September-2 October 2011,
  • Second prize for best oral presentation. Batgi H, E. Akbal, Köklü S, Dönmez M, Koçak E, Taş A. “Evaluation of the efficacy of Ankaferd blood stpopper in experimental acute hemorrhagic gastritis model” 8th Hepato Gastroenterology Congress, Antalya, Turkey, 28 September-2 October 2011
  • Third prize for best oral presentation. Taş A, Köklü S, E. Akbal, Koçak E, Beyazıt Y, Çelik H. “Clinical course of the waste salt scene detected in the second part of the dueodenum: a prospective study” 8th Hepato Gastroenterology Congress, Antalya, Turkey, 28 September-2 October 2011
  • First prize for the best poster presentation. E Koçak, Akbal E, Köklü S, Can M, Ergül B, Sarıkaya M. “The colonic Tissue TLR-2, TLR-4, Nitric Oxide and Malondialdehyde Levels in Patient with irritable bowel syndrome”. 29th National Gastroenterology Week, Antalya, Turkey, 20 November-25 November 2012

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