Prof. Dr. ALİ AKTEKİN

Articles Published in International Peer-Reviewed Journals:

A – 1 Articles Published in SCI / SCI-expanded Journals

1.Muftuoglu MAT, Aktekin A, Gurleyik G, Saglam A. A ruptured aneurysm of superior mesenteric artery to duodenum and reconstruction with saphenous vein graft. Eur J Vasc Endovasc Surg. 2003 Jun;25(6):590-1. PubMed PMID: 12787705.

2. Gurleyik G, Ozturk E, Gurleyik E, Aker F, Aktekin A, Ozkara S, Saglam A. Prostaglandins E1 and E2 analogues ameliorate mucosal injury secondary to distal colonic obstruction. J Invest Surg. 2003 Sep-Oct;16(5):283-8. PubMed PMID: 14527886.

3. Muftuoglu MAT, TopalogluU, Aktekin A, Odabasi M, Ates M, Saglam A. The management of retroperitoneal hematomas Scand J Trauma Resusc Emerg Med 2004; 12 ; 152-156

4. Gurleyik G, Zahidullahoğlu CO, Aktekin A, Saglam A. The value of Ranson and APACHE II scoring systems, and serum levels of interleukin-6 and C-reactive protein in the early diagnosis of the severity of acute pancreatitis. Ulus Travma Acil Cerrahi Derg. 2004 Apr;10(2):83-8. Turkish. PubMed PMID: 15103565.

5. Leiomyosarcoma of the inferior vena cava: report of a case G Gurleyik, A Aktekin, A Arman, T Muftuoglu, A Saglam Indian Journal of Surgery 2005:67 (6); 320-322.

6. Aktekin A, Gürleyik G, Arman A, Pekcan H, Saglam A. Intrathoracic splenosis secondary to previous penetrating thoracoabdominal trauma diagnosed during delayed diaphragmatic hernia repair. Ulus Travma Acil Cerrahi Derg. 2006 Jan;12(1):68-70. PubMed PMID: 16456753.

7. Muftuoglu MA, Aktekin A, Ozdemir NC, Saglam A. Liver injury in sepsis and abdominal compartment syndrome in rats. Surg Today. 2006;36(6):519-24. PubMed PMID: 16715421.

8. Gurleyik G, Gurleyik E, Aker F, Aktekin A, Emir S, Gungor O, Saglam A. Lymphovascular invasion, as a prognostic marker in patients with invasive breast cancer. Acta Chir Belg. 2007 Jun;107(3):284-7. PubMed PMID: 17685254.

9. Aktekin A, Emir S, Saglam A. Factors affecting mortality in acute mesenteric obstruction. Ulus Travma Acil Cerrahi Derg. 2009 May;15(3):217-21. Turkish. PubMed PMID: 19562541.

10. Gurleyik G, Aker F, Aktekin A, Saglam A. Tumor characteristics influencing non-sentinel lymph node involvement in clinically node negative patients with breast cancer. J Breast Cancer. 2011 Jun;14(2):124-8. doi: 10.4048/jbc.2011.14.2.124. Epub 2011 Jun 18. PubMed PMID: 21847407; PubMed Central PMCID: PMC3148535.

11. Gurleyik G, Aktekin A, Aker F, Karagulle H, Saglam A. Medical and surgical treatment of idiopathic granulomatous lobular mastitis: a benign inflammatory disease mimicking invasive carcinoma. J Breast Cancer. 2012 Mar;15(1):119-23. doi: 0.4048/jbc.2012.15.1.119. Epub 2012 Mar 28. PubMed PMID: 22493638; PubMed Central PMCID: PMC3318163.

12. Aktekin A, Ozkara S, Meriç K, Gurleyik MG, Aker F, Saglam A. Plexiform schwannoma of the duodenum accompanying pyloric stenosis: report of a case. Turk J Gastroenterol. 2012 Aug;23(4):385-9. PubMed PMID: 22965512.

13. Aktekin A, Gurleyik G, Odabasi M, Muftuoglu T, Saglam A. Trans-cystic biliary catheterization and decompression in liver and biliary surgery. Hepatogastroenterology. 2013 Jul-Aug;60(125):985-8. doi: 10.5754/hge11015. PubMed PMID: 23491927.

14. Aktekin A, Kuçuk M, Odabasi M, Muftuoglu T, Gürleyik G, Ozkara S, Aker F, Saglam A. The importance of invasion and resection of superior mesenteric and portal veins in adenocarcinoma of the pancreas. Hepatogastroenterology. 2013 Jul-Aug;60(125):1194-8. doi: 10.5754/hge12171. PubMed PMID: 23803382.

15. Odabasi M, Abuoglu HH, Arslan C, Gunay E, Yildiz MK, Eris C, Ozkan E, Aktekin A, Muftuoglu T. Asymptomatic partial splenic infarction in laparoscopic floppy Nissen fundoplication and brief literature review. Int Surg. 2014 May-Jun;99(3):291-4. doi: 10.9738/INTSURG-D-13-00250.1. Review. PubMed PMID: 24833155; PubMed Central PMCID: PMC4027916.

16. Odabasi M, Gokdemir S, Muftuoglu T, Aktekin A, Saglam A, Aker F. Prophylactic and therapeutic effects of oral budesonide for acute radiation-induced enteritis and colitis in rats. Int J Clin Exp Med. 2014 Apr 15;7(4):940-6. eCollection 2014. PubMed PMID: 24955165; PubMed Central PMCID: PMC4057844.

Articles Published After Obtaining the Title of Associate Professor

17. Aktekin A, Ozkara S, Gürleyik G, Odabaşi M, Müftüoğlu T, Saglam A. The factors effecting lymphovascular invasion in adenocarcinoma of the colon and rectum. Indian J Surg. 2015 Dec;77(Suppl 2):314-8. doi: 10.1007/s12262-013-0816-5. Epub 2013 Jan 26. PubMed PMID: 26730017; PubMed Central PMCID: PMC4692880.

18. Aktekin A, Kazan K, Gunes P, Yekrek M, Muftuoglu T, Saglam A. Hematological, biochemical, and immunological laboratory and histomorphological effects of sleeve gastrectomy on female rats. Indian J Surg. 2015 Dec;77(Suppl 2):557-62. doi: 10.1007/s12262-013-0921-5. Epub 2013 May 5. PubMed PMID: 26730064; PubMed Central PMCID: PMC4692935.

19. Aktekin A, Comunoglu N, Odabasi M, Muftuoglu T, Gurleyik G, Abanonu GB. Rate and risk factors of the advanced adenomas among diminutive colorectal polyps. Indian J Surg. 2015 Dec;77(Suppl 3):805-10. doi: 10.1007/s12262-013-1006-1. Epub 2013 Nov 13. PubMed PMID: 27011461; PubMed Central PMCID: PMC4775552.

20. Aktekin A, Sahin I, Sezer UA, Gulmez M, Ozkara S, Sezer S. Carboxymethyl cellulose/oxidized regenerated cellulose hydrogels as adhesion barriers: comparative study with different molecular weights and substitution degrees. Cellulose, 2016:23(5), 3145-3156.2.

21. Sezer UA, Kocer Z, Aru B, Demirel GY, Gulmez M, Aktekin A, Ozkara S, Sezer S. Combination of gelatin and tranexamic acid offers improved haemostasis and safe use on internal hemorrhage control. RSC Advances, 2016:6(97), 95189-95198.

22. Sezer UA, Sanko V, Gulmez M, Sayman E, Aru B, Yuksekdag ZN, Aktekin A, Aker FV, Sezer S. A polypropylene-integrated bilayer composite mesh with bactericidal and antiadhesive efficiency for hernia operations. ACS Biomaterials Science & Engineering 2017 3 (12), 3662-3674 DOI: 10.1021/acsbiomaterials.7b00757

23. Aydemir Sezer U, Sanko V, Gulmez M, Aru B, Sayman E, Aktekin A, Vardar Aker F, Yanıkkaya Demirel G, Sezer S. Polypropylene composite hernia mesh with anti-adhesion layer composed of polycaprolactone and oxidized regenerated cellulose. Mater Sci Eng C Mater Biol Appl. 2019 Jun;99:1141-1152. doi: 10.1016/j.msec.2019.02.064. Epub 2019 Feb 18. PubMed PMID: 30889648.

A – 2 Articles Published in International Peer-Reviewed Journals Other Than SCI / SCI-expanded Journals

1. Yasar S, Gurleyik G, Sabuncuoglu Y, Aktekin A, Yasar B, Serdar ZA. Paget's disease of the breast in a patient with amyopathic dermatomyositis. Case Rep Med. 2012;2012:515691. doi: 10.1155/2012/515691. Epub 2012 Sep 19. PubMed PMID: 23049567; PubMed Central PMCID:

2. Odabasi M, Yildiz MK, Abuoglu HH, Eris C, Ozkan E, Gunay E, Aktekin A, Muftuoglu MT. A modified Rendezvous ERCP technique in duodenal diverticulum. World J Gastrointest Endosc. 2013 Nov 16;5(11):568-73. doi: 10.4253/wjge.v5.i11.568. PubMed PMID: 24255749; PubMed Central PMCID: PMC3831199.

3. Odabasi M, Arslan C, Abuoglu H, Gunay E, Yildiz MK, Eris C, Ozkan E, Aktekin A, Muftuoglu MA. An unusual presentation of perforated appendicitis in epigastric region. Int J Surg Case Rep. 2014;5(2):76-8. doi: 10.1016/j.ijscr.2013.12.005. Epub 2013 Dec 12. PubMed PMID: 24441442; PubMed Central PMCID: PMC3921649.

4. Aktekin A, Ozkara S, Gönen C. The clinical importance and role of transduodenal ampullectomy in a villous adenoma: A case report. Journal of Solid Tumors, 2013:3(5), 1.

5. Ozkara S, Sari B, Yesil A, Aktekin A, Sezikli M, Cetinkaya Z, Aker F. Evaluation of colorectal adenocarcinomas at single-institution with respect to microsatellite instability. Chirurgia (Bucur). 2013 Jul-Aug;108(4):473-7. PubMed PMID: 23958088.

6. Odabasi M, Yildiz KM, Cengiz E, Abuoğlu H, Gunay E, Ozkan E, Aktekin A, Kaya B, Muftuoglu TM. Treatment of ampullary neuroendocrine tumor by endoscopic snare papillectomy. Am J Case Rep. 2013 Oct 25;14:439-43. doi: 10.12659/AJCR.889601. eCollection 2013. PubMed PMID: 24179583; PubMed Central PMCID: PMC3813632.

Articles Published After Obtaining the Title of Associate Professor

7. Gurleyik G, Gurleyik E, Aktekin A, Aker F. Preoperative assessment of the axilla by surgeon performed ultrasound and cytology in patients with breast cancer. J Clin Med Res. 2015 Jun;7(6):440-5. doi: 10.14740/jocmr2114w. Epub 2015 Apr 8. PubMed PMID: 25883707; PubMed Central PMCID: PMC4394917

8. Aktekin A, Torun M. Portomesenteric vein thrombosis after laparoscopic sleeve gastrectomy. Journal of Metabolic and Bariatric Surgery. 2018;7(2):64-67 DOİ:JMBS-07-064

9. Aktekin A, Torun M, Ustaalioğlu BB, Ozkara S, Cakır O, Muftuoglu T. The effects of systemic inflammatory response on prognosis of pancreatic ductal adenocarcinoma. Ann Hepatobiliary Pancreat Surg. 2019 May;23(2):155-162. https://doi.org/10.14701/ahbps.2019.23.2.155

Articles Published After Obtaining the Title of Professor

10. Aktekin A, Kına U, Tanrıkulu S, et al. Demographic and Clinicopthologic Properties of Patients Operated for Adrenal Masses. J Surgical Endocrinol (2020) 2(1):30-35

11. Aktekin A, Tanrikulu S, Ramazan A, et al. Some Striking Points of Laparoscopic Enucleation of Pancreatic Insulinoma. J Surgical Endocrinol (2020) 2(1):26-29.

12. Gulmez M, Aktekin A, Aker F, et al. Evaluation of In Vivo Adhesion Properties of New Generation Polyglactin, Oxidized Regenerated Cellulose and Chitosan-Based Meshes for Hernia Surgery. Cureus (2021) 13(10): e18755. doi:10.7759/cureus.18755

13. Oven BB, Celik S , Gürleyik G , Aker Vardar F, Yüzügüllü Coban E, Şeker M, Okten IN , Aktekin A. Benefits of Neoadjuvant Chemotherapy for Luminal Breast Cancer with Respect to Tumor Response Journal of Oncological Sciences J Oncol Sci. 2021;7(1):7-14

14. Ozcelik-Kose A, Imamoglu S, Aktekin A, Balci S, Yıldız MB, Ozturk Y, Yenerel NM. Effect of bariatric surgery on macular and peripapillary choroidal structures in young patients with morbid obesity. Can J Ophthalmol. 2022 Apr 22:S0008-4182(22)00115-6. doi: 10.1016/j.jcjo.2022.03.009. Epub ahead of print. PMID: 35469815.

B- International Presentations

Papers Presented at International Scientific Meetings and Published in Proceedings:

1. Müftüoglu T, Köksal N, Kurt R, Uzun MA, Günerhan Y, Aktekin A, Omentoplasty: Report of 186 cases. Digestive Surgery, Page: 50, May 24-28 1999, European Congress of the International Hepato-Pancreato-Biliary Association (IHPA), Budapest ( Poster ), (Control No: 1112075)

2. Aktekin A, Gürleyik G, Odabası M, Günes Ö, Aker F, Müftüoglu T, Saglam A. Factors effecting the lymphovascular invasion in colorectal carcinoma. The 5th Asian Pacific Organization for Cancer Prevention (APOCP) Conference, April 3-7, Istanbul, Turkey, 2010 ( Poster ), (Control No: 1112118)

3. Odabası M, Müftüoglu MAT, Aktekin A, Eris C, Yıldız MK, Günay E, Abuoglu H, Akbulut S. Use of stapling devices for safe cholecytectomy. XVI Annual Meeting of the European Society of Surgery Istanbul, November 22–24, 2012 ( Oral Presentation), (Control No: 1112193)

4. Odabası M, Müftüoglu MAT, Eris C, Yıldız MK, Günay E, Abuoglu H, Aktekin A. Treatment of a gastrointestinal stromal tumor (GIST) by laparoscopic partial gastric resection. XVI Annual Meeting of the European Society of Surgery Istanbul, November 22–24, 2012 ( Poster ), (Control No: 1112221)

5. Aktekin A, Özkara S, Gönen C. Transduodenal ampullectomy for a villous adenoma and a perspective of its surgical technique. XVI Annual Meeting of the European Society of Surgery Istanbul, November 22–24, 2012 (Poster), (Control No: 1112254)

D- National Articles

D – 1 Articles Published in National Peer-Reviewed Journals Indexed in TÜBİTAK-ULAKBİM National Databases

1. Muftüoğlu T, Aktekin A, Yekrek M, Döşoğlu NY, Sağlam A. The effects of experimentally induced increased intra-abdominal pressure on liver and kidney functions in rats. Haydarpaşa Numune Training and Research Hospital Medical Journal 2002; 42(3): 4-10. (ISSN: 1300-6363).

2. Müftüoğlu T, Aktekin A, Bakırcıoğlu E, Sağlam A. Reconstruction of superior mesenteric artery aneurysm rupture with saphenous vein (case report). Haydarpaşa Numune Training and Research Hospital Medical Journal 2003; 43(11): 51-54. (ISSN: 1300-6363).

3. Muftüoğlu T, Aktekin A, Sağlam A. Trisegmentectomy for hepatic hydatid cyst: Case report. Haydarpaşa Numune Training and Research Hospital Medical Journal 2003; 43(2): 67-69. (ISSN: 1300-6363).

4. Aktekin A, Gandur MAD, Gürleyik G, Sağlam A. Anesthesia preferences of surgeons and anesthesiologists for themselves and their patients. Turkish Journal of Family Medicine 2006; 10(2):60-63. (ISSN: 1303-6637).

5. Aktekin A, Gürleyik G, Güneş P, Sağlam A. Factors affecting axillary involvement in invasive breast carcinoma. Journal of Breast Diseases 2006; 13(3):74-79.

6. Aktekin A, Gürleyik G, Emir S, Sağlam A. Factors affecting recurrence, survival and patient satisfaction after breast-conserving surgery performed for early stage breast cancer. Turkish Journal of Family Medicine 2006; 10(4):160-164. (ISSN: 1303-6637).

7. Aktekin A, Özdemir İN, Gürleyik G, Sağlam A. Solitary ulcer of the cecum mimicking acute appendicitis. Haydarpaşa Numune Training and Research Hospital Medical Journal 2007; 47(2):339-342. (ISSN: 1300-6363).

8. Aktekin A, Kılıçoğlu G, Gürleyik G, Odabaşı HM, Muftüoğlu T, Sağlam A. Pneumatosis intestinalis accompanied by free air in the bile ducts: Case report. Haydarpaşa Numune Training and Research Hospital Medical Journal 2007; 47(3):410-413. (ISSN: 1300-6363).

9. Aktekin A, Güneş P, Sağlam A. Factors affecting non-sentinel lymph node involvement in patients with breast carcinoma and sentinel lymph node involvement. Journal of Breast Health 2008; 4(1):34-37. (ISSN: 1306-0945).

10. Aktekin A, Güneş P, Müftüoğlu T, Gürleyik G, Sağlam A. Factors affecting lymph node metastasis in colon cancers. Journal of Colon and Rectal Diseases 2009; 19(4):172-177. (ISSN: 1300-6835).

11. Aktekin A, Gürleyik G, Güneş P, Emir S, Sağlam A. Usefulness and predictive power of Memorial-Sloan Kettering Cancer Center nomogram in non-sentinel lymph node metastases out of sentinel lymph node metastased breast cancer patients. Journal of Breast Health 2009; 5(4):192-194. (ISSN: 1306-0945).

12. Aktekin A, Güneş P, Muftüoğlu T, Gürleyik G, Sağlam A. Factors affecting lymph node involvement in colorectal cancers. Haydarpaşa Numune Training and Research Hospital Medical Journal 2009: 49(2);102-107. (ISSN: 1300-6363).

13. Güneş P, Aktekin A, Gürleyik G, Aker FV, Erkan M, Akkaynak Ş, Gönültaş A, Demirtürk P. Diagnosis and treatment of thyroid lesions in the gray zone on fine needle aspiration cytology. Dialogue in Endocrinology 2009; 6(4):215-219. (ISSN: 1306-2514).

14. Aktekin A, Gürleyik G, Kazan K, Güneş Ö, Sağlam A. Temporary abdominal closure with Bogota bag is a safe procedure. Haydarpaşa Numune Training and Research Hospital Medical Journal 2011: 51(1);9-14. (ISSN: 1300-6363).

15. Aktekin A, Güneş P, Muftüoğlu T, Demirtürk P, Aker F, Sağlam A. A rare entity: Neuroendocrine differantiated transitional cell epithelium lined solid papillary carcinoma of breast tumor in a young male patient. Journal of Breast Health 2013; 9(1):29-31. (ISSN: 1306-0945).

Articles Published After Obtaining the Title of Associate Professor

16. Abuoğlu HH, Müftüoğlu MAT , Aktekin A, Günay E, Kaya B, Uzunoğlu H. Our Results of Laparoscopic Totally Extraperitoneal Repair from a Single Center: The Learning Curve and Difficulties Haydarpaşa Numune Medıcal Journal DOI: 10.14744/hnhj.2018.50490 Haydarpasa Numune Med J 2019;59(1):41–45

Articles Published After Obtaining the Title of Professor

17. Aktekin A, Gürleyik G, Kına U, Ozcan Z, Doğan M. Demographic Properties of Patients who Underwent Lateral Lymph Node Neck Dissection because of Thyroid Cancers Haydarpasa Numune Med J. Ahead of Print: HNHJ-44452 | DOI: 10.14744/hnhj.2021.44452

18. Gulmez M, Saracoglu C, Vural S, Aydın İ, Kesicioglu T, Aktekin A. Cancer surgery experience in a tertiary pandemic hospital during the COVID-19 pandemic Haydarpasa Numune Med J. Ahead of Print: HNHJ-73645 | DOI: 10.14744/hnhj.2021.73645

19. Gulmez M, Saracoglu C, Cinar E, Kesicioglu T, Gungor M, Aktekin A. The Effect of Hypericium Perforatum Oil on Tissue Adhesion in Experimental Subtotal Thyroidectomy Model Ege Klin Tıp Derg 2022;60 (2): 88-93.

D – 2 Articles Published in National Peer-Reviewed Journals Other Than Those Indexed in TÜBİTAK-ULAKBİM National Databases

1. Gürleyik G, Ertekin (Aktekin) A, Kılıçoğlu G, Arman A, Aker F, Küçakercan D, Sağlam A. Kaufman Axillary Treatment Scale in preoperative prediction of axillary involvement in patients with invasive breast cancer. Ankara Journal of Surgery 2004; 6(2):43-47. (ISSN: 1302-1421).

2. Muftüoğlu T, Odabaşı M, Aktekin A, Sağlam A. Is superior mesenteric-portal vein resection a safe procedure during pancreaticoduodenectomy, and does it affect survival and morbidity? Turkish Journal of Surgery 2004; 20(1):22-29. (ISSN: 1300-0705).

3. Aktekin A, Muftüoğlu T, Odabaşı M, Sağlam A. Laparoscopic common bile duct exploration: An effective option in the treatment of biliary tract stones. Journal of Endoscopic Laparoscopic and Minimally Invasive Surgery 2004; 11(4):157-162. (ISSN: 1300-6533).

4. Gürleyik G, Emir S, Atay K, Aktekin A, Sağlam A. Results of total lobectomy in cases of hyperthyroidism caused by toxic solitary nodule. Dialogue in Endocrinology 2008; 5(1):215-219. (ISSN: 1306-2514).

Articles Published After Obtaining the Title of Associate Professor

5. Odabaşı M, Özkan E, Eriş C, Yıldız MK, Kaya B, Aktekin A, Muftuoglu T, Abuoglu H, Günay E, Yeşil A. Comparision of the usage of slit and non-slit meshes in laparoscopic total extraperitoneal hernia repair. Comparison of the use of slit and flat meshes in patients undergoing laparoscopic total extraperitoneal (TEP) inguinal hernia repair. Journal of Surgical Arts 2017):7(1), 11-14.

E- National Presentations

1. Müftüoglu T, Aktekin A, Topaloğlu Ü, Saglam A. Evaluation of Liver Injury in Peritonitis and Compartment Syndrome. Turkish Surgical Society National Surgery Congress 2002, (Control No: SB101).

2. Aktekin A, Odabası M, Gürleyik G, Müftüoglu T, Saglam A. Laparoscopic common bile duct explorations. Turkish Surgical Society National Surgery Congress 2004, (Control No: 1112363)

3. Odabası M, Müftüoglu T, Gürleyik G, Aktekin A, Saglam A. Treatment of pilonidal sinus with the Karydakis technique. Turkish Surgical Society National Surgery Congress 2004, (Control No: 1112381)

4. Müftüoglu T, Odabası M, Aktekin A, Gürleyik G, Saglam A. Classification of pilonidal sinus. Turkish Surgical Society National Surgery Congress 2004, (Control No: 1112397)

5. Gürleyik G, Aktekin A, Emir S, Çırpıcı O, Odabası M, Saglam A. The prognostic significance of Ranson, APACHE-II and Computed Tomography Severity Index in patients with acute pancreatitis. Turkish Surgical Society National Surgery Congress 2004, (Control No: 1112437)

6. Gürleyik G, Arman A, Aktekin A, Odabası M, Müftüoglu T, Saglam A. The role of ultrasonography in pilonidal sinus cases. Turkish Surgical Society National Surgery Congress 2004, (Control No: 1112460)

7. Gürleyik G, Aktekin A, Emir S, Aker F, Güngör Ö, Saglam A. Should lymphovascular invasion be accepted as a standard prognostic criterion? VIII. National Breast Diseases Congress, 2005 (Control No: 1112495)

8. Aktekin A, Gürleyik G, Emir S, Saglam A. Prognostic factors in breast-conserving surgery and demographic characteristics of the patients. VIII. National Breast Diseases Congress, 2005 (Control No: 1112517)

9. Aktekin A, Gürleyik G, Emir S, Saglam A. Timing of surgery in biliary pancreatitis and the factors affecting it. 7th National HPB Surgery Congress, 2005 (Control No: 1112628)

10. Müftüoglu T, Sekmen Ü, Aktekin A, Odabası M, Saglam A. Treatment of pancreatic pseudocyst: Surgical or medical? 7th National HPB Surgery Congress, 2005 (Control No: 1112835)

11.Gürleyik G, Aktekin A, Emir S, Sekmen Ü, Arman A, Sağlam A. The role of the Computed Tomography Severity Index in determining the severity of acute pancreatitis. National HPB Surgery Congress, 2005 (Control No: page 49 presentation 6).

12. Aktekin A, Atayoglu K, Odabası M, Gürleyik G, Muftüoglu T, Saglam A. Patient satisfaction in patients undergoing laparoscopic anti-reflux surgery. Endoscopic Laparoscopic and Minimally Invasive Surgery Congress 2005, (Control No: 1112912)

13. Onur E, Çelik A, Kadıoglu H, Altınlı E, Köksal N, Aktekin A, Kırand O. Morbidity in patients who underwent cholecystectomy at different time points after biliary pancreatitis. Turkish Surgical Society National Surgery Congress 2006, (Control No: 1112952)

14. Sekmen Ü, Gürleyik G, Aktekin A, Güngör Ö, Aker F, Saglam A. The relationship between peritumoral lymphovascular invasion and prognostic factors. Turkish Surgical Society National Surgery Congress 2006, (Control No: 1113021)

15. Aktekin A, Günes P, Saglam A. Factors affecting axillary involvement in invasive breast carcinoma. 9th National Breast Diseases Congress, 2007 (Control No: 1113057)

16. Aktekin A, Günes P, Sağlam A. Factors affecting non-sentinel lymph node involvement in patients with breast carcinoma and sentinel lymph node involvement. 9th National Breast Diseases Congress, 2007

(Control No: 1113111)

17. Aktekin A, Kazan K, Saglam A. Closure of the abdomen with Bogota bag in increased intra-abdominal pressure and secondary peritonitis. VI. National Trauma and Emergency Surgery Congress, 2007 (Control No: 1113151)

18. Aktekin A, Gürleyik G, Emir S, Saglam A. Risk of pseudocyst development in mild and severe pancreatitis and follow-up results of the pseudocysts formed. Turkish Surgical Society National Surgery Congress 2008, (Control No: 1113196)

19. Aktekin A, Gürleyik G, Emir S, Saglam A. Timing of surgical treatment in mild and severe pancreatitis. Turkish Surgical Society National Surgery Congress 2008, (Control No: 1113243)

20. Aktekin A, Kazan K, Gürleyik G, Müftüoglu T, Odabası M, Saglam A. Patient satisfaction with the Karydakis flap operation performed for pilonidal sinus disease. Turkish Surgical Society National Surgery Congress 2008, (Control No: 1113275)

21. Aktekin A, Gürleyik G, Günes P, Emir S, Sağlam A. Applicability of the nomogram developed by the Memorial Sloan-Kettering Cancer Center for predicting involvement of other lymph nodes in breast carcinoma patients with sentinel lymph node involvement. Turkish Surgical Society National Surgery Congress 2008, (Control No: 1113314)

22. Aktekin A, Gürleyik G, Odabaşı M, Sağlam A. Surgical treatment of locally advanced liver tumor invading the inferior vena cava. Turkish Surgical Society National Surgery Congress 2008, (Control No: 1113352)

23. Aktekin A, Gürleyik G, Günes Ö, Özkara S, Sağlam A. The role of preoperative FNAB performed by the surgeon in evaluating axillary metastasis in invasive breast carcinomas. Turkish Surgical Society 17th National Surgery Congress, 2010 (Control No: 1113380)

24. Aktekin A, Gürleyik G, Kazan K, Günes Ö, Odabası M, Müftüoglu T, Sağlam A. Effectiveness of trans-cystic biliary catheterization in hepatobiliary surgery. Turkish Surgical Society 17th National Surgery Congress, 2010 (Control No: 1113460)

25. Aktekin A, Gürleyik G, Günes Ö, Odabası M, Müftüoglu T, Aker F, Sağlam A. Factors affecting lymphovascular invasion in colorectal cancers. Turkish Surgical Society 17th National Surgery Congress Scientific Program, 2010 (Control No: 1113492)

26. Gürleyik G, Aktekin A, Aker F, Sağlam A. Our results of skin-sparing mastectomy and reconstruction in breast cancer patients. Turkish Surgical Society 17th National Surgery Congress, 2010 (Control No: 1113533)

27. Aktekin A, Müftüoglu T, Küçük M, Odabaşı M, Gürleyik G, Özkara S, Aker F, Sağlam A. The importance of major vessel invasion and resection in periampullary cancers. Turkish Surgical Society 18th National Surgery Congress, 2012 (Control No: 1113612)

28. Aktekin A, Küçük M, Müftüoglu T, Odabaşı M, Gürleyik G, Özkara S, Aker F, Sağlam A. Factors affecting mortality in patients operated on for periampullary tumors. Turkish Surgical Society 18th National Surgery Congress, 2012 (Control No: 1113653)

29. Aktekin A, Müftüoglu T, Küçük M, Odabaşı M, Gürleyik G, Özkara S, Aker F, Sağlam A. Demographic characteristics of patients operated on for periampullary region pathologies. Turkish Surgical Society 18th National Surgery Congress, 2012 (Control No: 1113699)

30. Aktekin A, Kazan K, Günes P, Yekrek M, Müftüoglu T, Sağlam A. Hematological, biochemical, immunological and histomorphological effects of sleeve gastrectomy in rats. Turkish Surgical Society 18th National Surgery Congress, 2012 (Control No: 1113751)

31. Aktekin A, Üstündag N, Müftüoglu T, Odabası M, Gürleyik G, Aker F. Demographic characteristics of patients with diminutive colorectal polyps. Turkish Surgical Society 18th National Surgery Congress, 2012 (Control No: 1113721)