Shkollimi mjekësor

Fakulteti i Mjekësisë i Universitetit Egje, 1995-2001

Trajnim pasuniversitar

Spitali Arsimor dhe Kërkimor Izmir Ataturk, Departamenti i 2-të i Urologjisë, 2003-2009

Përvoja profesionale

Maj 2009-Shtator 2010: Spitali Shtetëror Yozgat Bogazliyan (Shërbimi i Detyrueshëm)

Tetor 2010-Shtator 2011: Spitali Ushtarak i Izmirit (Oficer Mjekësor)

4 nëntor 2011-6 gusht 2020: Spitali Trajnues dhe Kërkimor Izmir Tepecik

1 shtator 2020-tani: Spitali Ndërkombëtar Medicana në Izmir.

Scientific Publications

A-PEER-REVIEWED ARTICLES PUBLISHED IN INTERNATIONAL JOURNALS:
A1.Cakmak O, Tarhan H, Akarken I, Dogan HS, Yavascan O, Sahin H, Tekgul S. Can we predict vesicoureteral reflux resolution in patients with non-neurogenic lower urinary tract dysfunction? Int J Urol. 2019 Jun;26(6):638-642. doi: 10.1111/iju.13946. Epub 2019 Mar 14. A2.Cakmak O, Cimen S, Tarhan H, Ekin RG, Akarken I, Ulker V, Celik O, Yucel C, Kisa E, Ergani B, Cetin T, Kozacioglu Z. Listening to music during shock wave lithotripsy decreases anxiety, pain, and dissatisfaction : A randomized controlled study. Wien Klin Wochenschr. 2017 Oct;129(19-20):687-691. doi: 10.1007/s00508-017-1212-0. Epub 2017 May 17. A3.Cakmak O, Tarhan H, Cimen S, Ekin RG, Akarken I, Oztekin O, Can E, Suelozgen T, Ilbey YO. The effect of abdominal fat parameters on percutaneous nephrolithotomy success. Can Urol Assoc J 2016;10(3-4):E99-103. http://dx.doi.org/10.5489/cuaj.3484 A4.Islamoglu E, Kisa E., Yucel E, Celik O, Cakmak O, Yalbuzdag O, Kozacıoglu Z. Can we expand the borders in active surveillance for low-risk prostate cancer? Journal of Clinical Urology 2019 12; (1): 54-59 A5.C. Yucel , M. Z. Keskin, O. Cakmak, B. Ergani, C. Kose, O. Celik, E. Islamoglu, M. Ucar, G. Koc and Z. Kozacioglu. Predictive value of pre-operative inflammation-based prognostic scores (neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and monocyte-to-eosinophil ratio) in testicular sperm extraction: a pilot study. Andrology, 1–5. doi: 10.1111/andr.12417 A6.Kisa E, Sahin H, Cakmak O, Yucel C, Koc G, Kozacioglu Z, Ilbey YO. Magnetic resonance imaging characteristics and changes in hemostatic agents after partial nephrectomy. Int Urol Nephrol. 2019 Jun;51(6):917-925. doi: 10.1007/s11255-019-02141-1. Epub 2019 Apr 6. A7. Ulker V, Atalay HA, Cakmak O, Yucel C, Celik O, Kozacioglu Z. Smartphone-based stent tracking application for prevention of forgotten ureteral double-J stents: a prospective study. Int Braz J Urol. 2019 Mar-Apr;45(2):376-383. doi: 10.1590/S1677-5538.IBJU.2018.0707. A8.Ulker V, Cakmak O, Yucel C, Can E, Celik O, Ilbey YO. The efficacy and safety of bilateral same-session ureteroscopy with holmium laser lithotripsy in the treatment of bilateral ureteral stones. Minerva Urol Nefrol. 2019 Apr;71(2):174-180. doi: 10.23736/S0393-2249.19.03337-X. Epub 2019 Feb 14. A9.Cakir E, Kucuk U, Pala EE, Sezer O, Ekin RG, Cakmak O. Cytopathologic differential diagnosis of low-grade urothelial carcinoma and reactive urothelial proliferation in bladder washings: a logistic regression analysis. PMIS. 2017 May;125(5):431-436. doi: 10.1111/apm.12657. Epub 2017 Feb 22. A10.Tarhan H, Cakmak O, Unal E, Akarken I, Un S, Ekin RG, Konyalioglu E, Isoglu CS, Zorlu F. The effect of video-based education on patient anxiety in men undergoing transrectal prostate biopsy. Can Urol Assoc J. 8;(11-12):E894-900,2014. DOI: 10.5489/cuaj.2208 A11.Akarken I, Tarhan H, Ekin RG, Cakmak O, Koc G, Ilbey YO, Zorlu F. Visceral obesity: A new risk factor for stone disease. Can Urol Assoc J. 9(11-12):E795-9,2015. DOI: 10.5489/cuaj.3145 A12.Konyalioglu E, Tarhan H, Cakmak O, Pala EE, Zorlu F. Prostate cancer volume estimations based on transrectal ultrasonography-guided biopsy in order to predict clinically significant prostate cancer. Int Braz J Urol. 41(3):442-8,2015. DOI: 10.1590/S1677-5538.IBJU.2014.0251 A13.Tarhan H, Ekin RG, Can E, Cakmak O, Yavascan O, Mutlubas Ozsan F, Helvaci M, Zorlu F. C-reactive protein levels in girls with lower urinary tract symptoms. J Pediatr Urol. Oct 9. pii: S1477-5131(15)00364-2,2015. DOI: 10.1016/j.jpurol.2015.09.003 A14.Celik O, Turk H, Cakmak O, Ekin RG, Keskin MZ, Yildiz G, Ilbey YO. Current approach for urinary system stone disease in pregnant women. Archivio Italiano di Urologia e Andrologia. 87:4,280-5,2015. DOI: 10.4081/aiua.2015.4.280 A15.Ekin RG, Akarken I, Cakmak O, Tarhan H, Celik O, Ilbey YO, Divrik RT, Zorlu F. Results of Intravesical Chemo-Hyperthermia in High-risk Non-muscle Invasive Bladder Cancer. Asian Pac J Cancer Prev. 16(8):3241-5,2015. DOI:http://dx.doi.org/10.7314/APJCP.2015.16.8.3241 A16.Tarhan H, Cakmak O, Akarken I, Ekin RG, Un S, Uzelli D, Helvacı M, Aksu N, Yavascan O, Mutlubas Ozsan F, Cun S, Koc F, Ozkarakaş O, Ilbey YO, Zorlu F. Toilet training age and influencing factors: a multicenter study. Turk J Pediatr. 57(2):172-6,2015. A17.Kucuk U, Pala EE, Cakır E, Sezer O, Bayol U, Divrik RT, Cakmak O. Clinical, demographic and histopathological prognostic factors for urothelial carcinoma of the bladder. Cent European J Urol. 68(1):30-6,2015. DOI: 10.5173/ceju.2015.01.465 A18.Tarhan H, Cakmak O, Turk H, Can E, Un S, Zorlu F. Psoas abscess: Evaluation of 15 cases and review of the literature. Journal of Urologic Surgery. 1:32-35,2014. DOI:10.4274/jus.54 A19.Koc G, Akbay EK, Tarhan H, Cakmak O, Yilmaz Y. Clinical comparison of the pneumatic and the combined lithotripters in percutaneous nephrolithotomy. Surgical Practice. 17:58-62,2013. DOI:10.1111/1744-1633.12000 A20.Tarhan H, Can E, Akdeniz F, Akarken I, Cakmak O, Zorlu F. Relationship between circumcision scar thickness, postcircumcision mucosal cuff length measures and premature ejaculation. Scand J Urol. 47(4):328-32,2013. DOI:10.3109/00365599.2012.740685 A21.Koc F, Aksit S, Koc G, Halicioglu O, Yilmaz Y, Cakmak O, Tarhan H. Parental attitudes and practices about circumcision in Izmir, Turkey. Journal of Universal Surgery. Vol. 2 No.1:2,2013. DOI:10.3823/808 A22.Tarhan F, Tarhan H, Çakmak Ö, Can E, Karaoğullarından Ü, Zorlu F. Premature ejeculation in patients with Behcet’s Disease. The Journal of Tepecik Education and Research Hospital 23(1):35-40,2013 A23.Çakmak Ö, Tarhan H, Koç G, Konyalıoğlu E, Divrik T, Zorlu F. Prostat kalsifikasyonu: Prostate calcification: Risk factor for prostate cancer? The Journal of Tepecik Education and Research Hospital 22(1):45-8,2012 A24.Demir O, Akgul K, Akar Z, Cakmak O, Ozdemir I, Bolukbasi A, Can E, Gumus BH. Association between severity of lower urinary tract symptoms, erectile dysfunction and metabolic syndrome. Aging Male, 12(1):29-34,2009. DOI: 10.1080/13685530902777425 A25.Arslan FD, Serdar M, Merve AE, Oztan O, Kozcu HS, Tarhan H, Cakmak O,Zeytinli M, Ellidag YH. Determination of age dependenth reference ranges for coagulation tests performed using destiny plus. Iran J Pediatr. 2016 Apr 30; 26 (3):e6177. doi:10.5812/ijp.6177 A26.Karakoyun I, Colak A, Arslan FD, Aksit MZ, Cakmak O. An example for investigation of unnecessary laboratory testing:Free PSA test. Tepecik Eğit. ve Araşt. Hast. Dergisi 2017; 27(1):47-51 A27.Kızılay F, Ülker V, Çelik O, Özdemir T, Çakmak Ö, Can E, Nazlı O. The evaluation of the effectiveness of Gilaburu (Viburnum opulus L.) extract in the medical expulsive treatment of distal ureteral stones.Turk J Urol. 2019 Apr 3. doi: 10.5152/tud.2019.23463. A28.Erdogru T, Celik O, Hladun T, Kazimoglu H, Micoogullari U, Akincioglu E, Ulker V, Cakmak O, Can E. Comparison of suture material for vesico-urethral anastomosis in robotic radical prostatectomy. Cent European J Urol. 2020;73(2):134-139. doi: 10.5173/ceju.2020.0105. A29.Kisa E, Yucel C, Keskin MZ, Karabicak M, Yalcin MY, Cakmak O, Ilbey YO. The Role of Hematological Parameters in Predicting Fuhrman Grade and Tumor Stage in Renal Cell Carcinoma Patients Undergoing Nephrectomy. Medicina (Kaunas). 2019 Jun 18;55(6).doi: 10.3390/medicina55060287 A30.Kisa E, Yücel C, Budak S, Ucar M, Keskin MZ, Cakmak O, Koc G, Kozacioglu Z. The effect of the American Society of Anesthesiology classification scores on complications associated with percutaneous nephrolithotomy. Archivio Italiano di Urologia e Andrologia 2018; 90, 2 A31.Özdemir TR, Özyılmaz B, Çakmak Ö, Kaya ÖÖ, Köse C, Kırbıyık Ö, Keskin MZ, Koç A, Zeyrek T, Kutbay YB, Erdoğan YB, Güvenç MS Evaluation of chromosomal abnormalities and Y-chromosome microdeletions in 1696 Turkish cases with primary male infertility: A single-center study. Turk J Urol 2019. DOI: 10.5152/tud.2019.19156. Ahead of Print A32.Cakmak O, Isoğlu CS, Peker EA, Tarhan H, Kucuk U, Celik O, Zorlu F, Ilbey YO. Renal cell carcinoma in patient with crossed fused renal ectopia. Archivio Italiano di Urologia e Andrologia. 87:4,330-1,2015. DOI: http://dx.doi.org/10.4081/aiua.2015.4.330 A33.Çakmak Ö, Tarhan H, Küçük Ü, İlbey YÖ. Prostatic adenocarcinoma with initial metastatic spread to the mandible. Turk J Urol. 41(3):149-51,2015. DOI: 10.5152/tud.2015.36043 A34. Kızılay F, Ülker V, Çelik O, Özdemir T, Çakmak Ö, Can E, Nazlı O. The evaluation of the effectiveness of Gilaburu (Viburnum opulus L.) extract in the medical expulsive treatment of distal ureteral stones.Turk J Urol. 2019 Apr 3. doi: 10.5152/tud.2019.23463. [Epub ahead of print] A35.Karabicak M, Turk H, Cakmak O, Isoglu CS, Tarhan H, Zorlu F. Coexistance between hodgkin’s lymphoma and renal cell cancer: Case report. Journal of Urologic Surgery. 1:42-43,2014. DOI:10.4274/jus.125 A36.Celik O, Budak S, Cakmak O, Tarhan H, Yalbuzdag ON, Peker A, Ilbey YO. Triorchidism: a rare genital abnormality. Asian J Androl. 16(6):923-4,2014. DOI: 10.4103/1008-682X.133317 A37.Tarhan H, Akarken I, Cakmak O, Can E, Ilbey YO, Zorlu F. Misplaced nephrostomy catheter in left renal vein: a case report of an uncommon complication following percutaneous nephrolithotomy. Urol J. 8;11(3):1714-6,2014. A38.Turk H, Un S, Isoglu CS, Cakmak O, Tarhan H, Zorlu F. Seminal Vesicle Cyst And Renal Agenesia Case With Abdominal Pain. The Journal of Tepecik Education and Research Hospital. 2014; 24 (2): 127-130 A39.Cakmak O, Tarhan H, Celik O, Kucuk U, Ilbey YO. Transitional cell carcinoma in orthotopic ileal neobladder. Case Rep Urol. 2014:218615,2014. DOI: 10.1155/2014/218615 A40.Cakmak M, Yıldız M, Akarken I, Karaman Y, Cakmak O. Risk Factors for Postoperative Urinary Retention in Surgical Population: A Prospective Cohort Study. Cerrahi Popülasyonda Postoperatif Üriner Retansiyon Risk Faktörleri: Prospektif Kohort Çalışması. Journal of Urological Surgery, 2020;7(2):144-148

B-PAPERS PRESENTED AT INTERNATIONAL SCIENTIFIC CONFERENCES AND PUBLISHED IN CONFERENCE PROCEEDINGS:
B1.Tarhan H, Akarken I, Cakmak O, Arslan FD, Saritas S, Yavascan O, Sahin H, Tekgul S. Is endothelial glycocalyx damage a cause of renal scarring in vesicoureteral reflux with febrile urinary tract infection? 34th Annual EAU Congress, Barcelona 2019 B2. Sayar C, Ekmekci S, Cakmak O, Kucuk U. Incidental prostate adenocarcinoma with prostate transurethral resection. 8 years experience. 31th Congress of Pathology, Nice 2019 B3.Cakır E, Kucuk U, Pala E, Sezer o, Bayol U, Cakmak O. Cytopathological differantial diagnosis of low-grade urothelial carcinoma and reactive proliferation in bladder washings. P8-3. 8th European Congress of Cytopathology. Geneva. 27 September-30 September 2014 B4.Kucuk U, Cakır E, Pala E, Akoz G, Bayol U, Cakmak O, Ozguzer A.Small Cell carcinoma (SCC) of urinay bladder: Review of four cases. PS-06-093.26 th European Congress of Pathology.2015 B5.Bolukbası A, Sengul F, Bal K, Sezer A, Elaltuntas E, Cakmak O. The association of ıncreased number of positive prostate biops cores with gleason grade upstaging following radical prostatectomy. UP-41. Urology 72. Supplement 5A, November 2008, SIU congresss, Santiago 2008 B6.Bolukbası A, Sengul F, Bal K, Sezer A, Elaltuntas E, Cakmak O. The Importance of Biopsy Protocol In Terms of Correct Gleason Grading of the patients prior to radical prostatectomy:Preliminary results. UP-40. Urology 72. Supplement 5A, November 2008, SIU congresss, Santiago 2008 B7.Demir O, Akgul K, Akar Z, Cakmak O, Ozdemir I, Bolukbasi A, Can E, Gumus B. Association between severity of LUTS, erectile dysfunction and components of metabolic syndrome. 10th congress of the European Society for Sexual Medicine, P-02-012. The Journal of Sexual Medicine.5;2:98-103 B8.Sarı D, Bulut V, Cakmak O, Mertoglu O, Sicramaz H, Bolukbasi A, Esen A. Evaluation of Incontinence, Quality of Life, and Sexual Function women who opereted suburethral sling. 10th congress of the European Society for Sexual Medicine, PP-02-168. The Journal of Sexual Medicine.5;2:98-103 B9.Gumus B, Sahin A, Cakmak O, Demir O, Can E, Celen I, Bolukbasi A, Esen A. Patient and partner satisfaction in penile prothesis implantations. 10th congress of the European Society for Sexual Medicine, PP-06-226. The Journal of Sexual Medicine.5;2:98-103 B10.Demir O, Akgul K, Akar Z, Cakmak O, Ozdemir I, Bolukbasi A, Can E, Gumus B. Association between premature ejeculation and LUTS severity. 10th congress of the European Society for Sexual Medicine, P-05-044. The Journal of Sexual Medicine.5;2:98-103 B11.Cakmak O, Cimen S, Tarhan H, Ekin RG, Ergani B, Cetin T, Ulker V, Akarken I, Kozacıoğlu Z. Listening to music during shock wave lithotripsy decreases anxiety, pain and dissatisfactıon: a randomized controlled study. The Journal of Urology. Vol. 197, No. 4S, Supplement, Sunday, May 14, 2017 B12. Tarhan H, Akarken I, Cakmak O, Arslan F.D, Sarıtaş S, Yavaşcan O, Şahin H, Tekgul S. Is endothelial glycocalyx damage a cause of renal scarring in vesicoureteral reflux with febrile urinary tract infection? Eur Urol Suppl 2019;18 (1):e417

C-CHAPTERS IN NATIONAL AND INTERNATIONAL BOOKS:
C1. Özgür Çakmak, Çetin Dinçel. Extragonadal Germ Cell Tumors. Urooncology. 2nd edition, expanded. Meta Publication. ISBN 978-605-64010-0-8. Editor: Prof. Dr. Çetin Dinçel. 823-831.

D-ARTICLES PUBLISHED IN NATIONAL PEER-REVIEWED JOURNALS:
D1. Cakmak O, Vermisli S, Yalbuzdag O, Kahraman DS, Leiomyoma of the bladder in a male patient: presentation of two cases and literature review. Bulletin of Urooncology 2016;15:167-169.
D2. Yücel C, Keskin MZ, Cakmak O, Kozacıoğlu Z. The Importance of Testosterone Hormone in the Treatment of Sexual Dysfunction in Postmenopausal Women: A Review of the Literature. Androl Bul 2017; 19(1): 25-28 | doi: 10.24898/tandro.2017.69926.
D3.Çakmak Ö, Görgel SN, Coşkun O, Bal O, Bölükbaşı A. The importance of prostate-specific antigen density in determining the optimal number and localization of biopsy cores in patients undergoing transrectal ultrasound-guided prostate biopsy with respect to prostate volume. Turkiye Klinikleri J Urology. 2(2):45-50,2011
D4.Çakmak M, Bor C, Güvenli Y, Çakmak Ö, Bölükbaşı A, Gönüllü M. The role of obturator block in transurethral resection of bladder tumor. Yeni Üroloji Dergisi. 4(3):117-120,2008
D5.Öder M, Demir Ö, Şahin MO, Bal E, Can E, Çakmak Ö, Bölükbaşı A, Esen AA. The effect of advisor gender on responses to the International Index of Erectile Function: A multicenter analysis. Yeni Üroloji Dergisi.1(2):115-9,2005
D6.Yücel C, Çelik O, Keskin MZ, Çakmak Ö, Küçük Ü, Kozacıoğlu Z. Comparison of testicular sperm extraction results in patients with Klinefelter syndrome and normal karyotype: A 10-year single-center experience. Androl Bul 2018;20:6−10
D7.Celik O, Cakmak O, Tarhan H. A rare complication after ureterorenoscopy: Subcapsular renal hematoma. Klinik Tıp Bilimleri Dergisi 2015.3:1;40-41

E- PRESENTED PAPERS AT NATIONAL SCIENTIFIC CONFERENCES AND PAPERS PUBLISHED IN CONFERENCE PROCEEDINGS.
E1. Üstün M, Çakmak Ö, Demir B, Uğurlu L, Aydın C. Complication after repair of a rare inguinal hernia: Testicular necrosis due to ischemia. 20th National Surgery Congress, April 13-17, 2016, Antalya.

E2. Çakmak Ö, Yalbuzdağ O, İşoğlu S, Ekin G, Ergani B, Şen S, Yakut B, İlbey Y. A case of muscle-invasive bladder tumor with bone metastasis. 12th Urooncology Congress, November 18-22, 2015, Antalya.
E3. Yalbuzdağ O, Yoldaş O, Ekmekçi S, Çakmak Ö, Budak S, Küçük Ü, Koç G, İlbey Y. Can the Gleason tertiary score be a prognostic factor in TRUS biopsy pathology? 12th Urooncology Congress, November 18-22, 2015, Antalya.
E4. Yalbuzdağ O, Çakmak Ö, Koç G, Yoldaş M, Budak S, Ekin G, İlbey Y. Bladder cancer with high beta HCG levels: Trophoblastic differentiation. 12th Urooncology Congress, November 18-22, 2015, Antalya.
E5. Ekin G, Tarhan H, Akarken İ, Çakmak Ö, Koç G, İlbey Y, Zorlu F. Our results in pediatric patients undergoing ureterorenoscopy: Experience of a single center. 2nd National Urological Surgery Congress, November 5-9, 2014, Antalya.
 E6. Turk H, Mertoglu O, Cakmak O, Ekin G, Ergani B, Karabicak M, Karaca C, Zorlu F. Diagnosis and treatment of colovesical fistula due to colon diverticula. 2nd National Urological Surgery Congress. November 05-09, 2014, Antalya.
E7. Ekin G, Akarken I, Cakmak O, Tarhan H, Ilbey Y, Zorlu F, Divrik T. Results of intravesical thermotherapy in superficial bladder tumors: single center experience. 2nd National Urological Surgery Congress. November 05-09, 2014, Antalya.

E8. Cakmak O, Tarhan H, Ekin G, Kucuk U, Yalbuzdag O, Ilbey Y, Zorlu F. The effect of progression time to invasive disease in T1 bladder tumors on cancer-specific survival after radical cystectomy. 2nd National Urological Surgery Congress. November 05-09, 2014, Antalya.
E9. Turk H, Karabicak M, Tarhan H, Cakmak O, Koc G, Sueloezgen T, Yoldas M, Zorlu F, Un S. Incidental prostate cancers detected in radical cystoprostatectomy specimens. 2nd National Urological Surgery Congress. November 05-09, 2014, Antalya.
E10. Akarken I, Yoldas M, Cakmak O, Tarhan H, Ekin G, Gunduz O, Ucok H, Ilbey Y, Zorlu F. Validation of Epstein criteria in radical prostatectomy specimens. 11th Urooncology Congress, November 6-10, 2013, Antalya.
E11. Ekin R, Cakmak O, Tarhan H, Ilbey Y, Can E, Akarken I, Turk H, Isoglu S, Zorlu F. The effect of risk-based antibiotic prophylaxis before prostate biopsy on febrile infectious complications. 11th Urooncology Congress, November 6-10, 2013, Antalya. 
E12. Tarhan H, Ekin G, Çakmak Ö, İlbey Y, Özçift B, Akarken İ, Yoldaş M, Türk H, Zorlu F. Active surveillance and radical prostatectomy outcomes in patients with prostate cancer with tumor size of 50% or less and Gleason score 6 detected in a single core biopsy. 11th Urooncology Congress, November 6-10, 2013, Antalya.

E13. Ekin G, Çakmak Ö, Tarhan H, Özçift B, İlbey Y, Koç G, Mertoğlu O, Akarken İ, Bayol Ü, Zorlu F. The impact of adding anterior apical sampling to the standard 12-core prostate biopsy on prostate cancer diagnosis. 11th Urooncology Congress, November 6-10, 2013, Antalya.
E14. Çakmak Ö, Ekin G, Tarhan H, İlbey Y, İşoğlu S, Türk H, Yoldaş M, Akarken İ, Zorlu F. Early results of intravesical thermocemotherapy application in non-muscle invasive bladder tumors of moderate and high risk. 11th Urooncology Congress, November 6-10, 2013, Antalya.
E15. İşoğlu Si Ekin G, Çakmak Ö, Tarhan H, Akarken İ, Karabıçak M, İlbey Y, Zorlu F. Recurrence rate after two cycles of BEP protocol in high-risk non-seminomatous germ cell tumors confined to the testis. 11th Urooncology Congress, November 6-10, 2013, Antalya.
E16. Türk H, Çakmak Ö, Tarhan H, İlbey Y, Can E, Peker A, Koç G, Mertoğlu O, Ekin G, Zorlu F. The effect of the presence of muscularis propria in pathology specimens on recurrence in PTa bladder tumors. 11th Urooncology Congress, November 6-10, 2013, Antalya.
E17. Ekin G, Tarhan H, Çakmak Ö, Akarken İ, Özçift B, Türk H, İlbey Y, Zorlu F. A comparison of risk-based antibiotic prophylaxis during prostate biopsy with target-specific prophylaxis using rectal swab culture in terms of infectious complication rates. 11th Urooncology Congress, November 6-10, 2013, Antalya. E18. Çakmak Ö, İşoğlu S, Tarhan H, Akarken İ, Ekin G, Özçift B, İlbey Y, Zorlu F. The effect of gender on recurrence and progression in patients with primary pT1 bladder tumor. 11th Urooncology Congress, November 6-10, 2013, Antalya.
E19. Tarhan H, Türk H, Çakmak Ö, Süelözgen T, Özçift B, İlbey Y, Ekin G, Zorlu F. The effect of solitary or multiple surgical margin positivity detected in radical prostatectomy specimens on biochemical recurrence. 11th Urooncology Congress, November 6-10, 2013, Antalya.
E20. Mertoğlu O, Yoldaş M, Yıldırım Ü, Tarhan H, Çakmak Ö, İlbey Y, Zorlu F. The value of pressure-flow studies in patients planned for surgical treatment of benign prostatic enlargement. 3rd Functional Urology and Female Urology Congress, October 3-6, 2013, Antalya.
E21. Ün S, Türk H, Çakmak Ö, Divrik T, Zorlu F. Active surveillance outcomes in low-risk prostate cancer. 1st National Urological Surgery Congress, October 3-7, 2012, Antalya.
E22. Ün S, Koca O, Türk H, Çakmak Ö, Divrik T, Zorlu F. PSA recurrence after radical prostatectomy. 1st National Urological Surgery Congress, October 3-7, 2012, Antalya.
E23. Çakmak Ö, Tarhan H, Konyalıoğlu E, Koç G, Divrik T, Zorlu F. Prostatic calcification: a risk factor for prostate cancer? 1st National Urological Surgery Congress, October 3-7, 2012, Antalya.

E24. Sarı D, Bulut V, Çakmak Ö, Mertoğlu O, Sıçramaz H, Bölükbaşı A, Esen A. Evaluation of incontinence and sexual function in patients undergoing mid-urethral sling surgery. 7th National Andrology Congress, June 6-9, 2007, Ankara.
E25. Demir Ö, Akgül K, Akar Z, Çakmak Ö, Özdemir İ, Bölükbaşı A, Gümüş B, Can E. The relationship between severity of lower urinary tract symptoms, erectile functions, and metabolic syndrome. 7th National Andrology Congress, June 6-9, 2007, Ankara.
E26. Gümüş B, Şahin A, Çakmak Ö, Demir Ö, Can E, Çelen İ, Bölükbaşı A, Esen A. Evaluation of satisfaction in patients and partners undergoing penile prosthesis implantation. 7th National Andrology Congress, June 6-9, 2007, Ankara.
E27. Özdemir İ, Akgül K, Akar Z, Çakmak Ö, Demir Ö, Bölükbaşı A, Can E, Gümüş B. The relationship between lower urinary tract symptoms and premature ejaculation. 7th National Andrology Congress,
E28. Sahin O, Oder M, Sicramaz H, Bal K, Can E, Cakmak O, Bolukbasi A, Esen A. The effect of patient education level on the results of the International Index of Erectile Function questionnaire: a multicenter analysis. 6th National Andrology Congress, 8-11 June 2005, Ankara.