Assoc. Prof. Nejdet Karşıyakalı is an associate professor of medicine at Acıbadem Mehmet Ali Aydınlar University, having earned his associate professorship in 2024. He is affiliated with Acibadem Health Group since 2022, where he continues to practice and contribute to patient care and clinical programs. His clinical focus and professional interests lie in endourology, minimally invasive urologic surgery, and uro-oncology. He is an active member of multiple professional societies, including the Endourology Association, Turkish Urology Association, Urological Surgery Association, European Association of Urology (EAU), Turkish Urooncology Association, and the Minimally Invasive Urology Society. Through these memberships, he remains engaged with the latest advances in urologic techniques, research, and education.
Education
- 2024 Associate Professorship, Acıbadem Mehmet Ali Aydınlar University, Faculty of Medicine
- 2019 EBU Diploma European Board of Urology Fellowship
- 2018 University of Health Sciences Istanbul Training and Research Hospital Urology
- 2012 Ege University Faculty of Medicine
Experience
- 2022 Acibadem Health Group
- 2020 Acibadem Health Group
- 2018 – 2020 Cukurca State Hospital / Urology / Specialist Physician (Compulsory Service)
- 2013 – 2018 University of Health Sciences / Istanbul Training and Research Hospital / Urology Clinic / Urology Assistant Physician
- 2012 – 2013 Bulanık State Hospital / Emergency Department / General Practitioner (Compulsory Service)
Memberships
- Endourology Association
- Turkish Urology Association
- Urological Surgery Association
- European Association of Urology (EAU)
- Turkish Urooncology Association
- Minimally Invasive Urology Society
Publications
- Evaluation of the Sexual Functioning of Individuals Living in Turkey During the COVID-19 Pandemic: An Internet-Based Nationwide Survey Study.
Sex Med. 2021;9(1):100279. Karsiyakali N, Sahin Y, Ates HA, Okucu E, Karabay E. - Increased PI-RADS Scores in multiparametric Magnetic Resonance Imaging may Predict More Extensive Disease in Radical Prostatectomy Specimens.
Bull Urooncol 2021;20(3):147-152. DOI: 10.4274/uob.galenos.2020.1874. Karşıyakalı N, Özgen MB, Özveren B, Akbal C, Dinçer A, Durak H, Türkeri L. - Key Steps in Retzius-Sparing Robot-Assisted Radical Prostatectomy with a Novel Technique for Suspension of Parietal Peritoneum.
Videourology. 2021;35(2). https://doi.org/10.1089/vid.2020.0114. Karsiyakali N, Ozgen MB, Ozveren B, Turkeri L. - Suboptimal Prediction of Clinically Significant Prostate Cancer in Radical Prostatectomy Specimens by mpMRI-Targeted Biopsy.
Urology. 2021 Feb;148:217-223. doi: 10.1016/j.urology.2020.08.031. Epub 2020 Aug 29. Karsiyakali N, Ozgen MB, Ozveren B, Akbal C, Dincer A, Durak H, Turkeri L. - Increased PI-RADS Scores in multiparametric Magnetic Resonance Imaging may Predict More Extensive Disease in Radical Prostatectomy Specimens.
Bull Urooncol 2021;20(3):147-152. DOI: 10.4274/uob.galenos.2020.1874. Karşıyakalı N, Özgen MB, Özveren B, Akbal C, Dinçer A, Durak H, Türkeri L. - Lymph node density in retroperitoneal lymph node dissection as a novel marker for predicting recurrence in patients with germ cell testicular cancer: A case-control study and long-term clinical experience of a tertiary referral hospital.
Actas Urol Esp. 2021;45(1):30-8. Sarikaya S, Karsiyakali N, Kaya E, Topuz B, Ebiloglu T, Zor M. - The prostatic adenocarcinoma with mucinous features: A review of the literature with three case reports.
J Cancer Res Ther. 2021 Apr-Jun;17(2):596-598. doi: 10.4103/jcrt.JCRT_673_18. Karsiyakali N, Karabay E, Yucetas U, Koca SB, Akay AF, Kadihasanoglu M. - Identifying the predictors of estimated glomerular filtration rate after partial nephrectomy with a nonlinear regression model.
Int J Clin Pract. 2021 Mar;75(3):e13763. doi: 10.1111/ijcp.13763. Epub 2020 Nov 3. Karabay E, Tosun C, Karsiyakali N, Kayar K, Aykan S, Aslan AR, Yucebas OE, Ozturk MI. - A Case of Eccrine Porocarcinoma Accompanying Renal Cell Carcinoma.
Bull Urooncol 2021;20(3):186-188. DOI: 10.4274/uob.galenos.2020.1487. Mansur AT, Karşıyakalı N, Demirci GT, Köseoğlu H, Akman Y, Yıldız Ş. - Renal pelvis urine Gram stain as a traditional, but new marker in predicting postoperative fever and stone culture positivity in percutaneous nephrolithotomy: an observational, prospective, non-randomized cohort study.
World J Urol. 2021 Jun;39(6):2135-2146. doi: 10.1007/s00345-020-03381-y. Epub 2020 Jul 28. Karsiyakali N, Yucetas U, Karatas A, Karabay E, Okucu E, Erkan E. - A Case of Unclassified Renal Cell Carcinoma (RCC) Initially Considered as Translocation RCC and Review of the Literature.
Bull Urooncol 2021;20(2):122-125. DOI: 10.4274/uob.galenos.2020.1742. Karşıyakalı N, Özgen MB, Özveren B, Ekici ID, Türkeri L. - Evaluation of sexual functions in female rosacea patients: a prospective, case-control study.
Int J Impot Res. 2020 Nov;32(6):628-634. doi: 10.1038/s41443-020-0275-z. Epub 2020 Apr 14. Aktas Karabay E, Karsiyakali N, Karabay E. - Comparison of the effectiveness of Shock Wave Lithotripsy and Retrograde Intrarenal Surgery in Treatment of Lower Pole Kidney Stones: Single Center Case-Control Study.
New Journal of Urology. 2020; 15(2): 127-134. Yalçın S, Karşıyakalı N, Kaya E, Yılmaz S, Gazel E, Asgarlı S, Gürdal M, Bedi?r S. - Change in Frequency and Predictors of Erectile Dysfunction With Changes in the International Index of Erectile Function-Erectile Function Domain Score in Patients With ST-Elevation Myocardial Infarction: A Prospective, Longitudinal Study.
J Sex Med. 2020 Jun;17(6):1101-1108. doi: 10.1016/j.jsxm.2020.03.002. Epub 2020 Mar 25. Karabay E, Karsiyakali N, Cinier G, Zeren G, Duvar S, Simsek B, Aslan AR, Karabay CY. - Predictive value of prognostic nutritional index on tumor stage in patients with primary bladder cancer.
Arch Esp Urol. 2020;73(2):132-9. Karsiyakali N, Karabay E, Yucetas U. - Shock wave lithotripsy deteriorates male sexual functions related to the treatment-driven anxiety: A prospective, non-randomized, self-controlled study.
Arch Esp Urol. 2020;73(9):826-36. Karsiyakali N, Erkan E, Yucetas U, Koseoglu H, Ates HA, Kadihasanoglu M, Toktas MG. - Re: “Total Surface Area Influences Stone Free Outcomes in Shock Wave Lithotripsy for Distal Ureteral Calculi” by Scotland et al. (J Endourol 2019;33 (8):661-666; DOI: 10.1089/end.2019.0120).
J Endourol. 2020;34(5):640. J Endourol. 2020;34(5):640. - Intravesical Foreign Body Mimicking Bladder Tumor: A Rare Case Report.
Endourol Bull 2020;12(1);31-34 Kaya E, Karsiyakali N, Sarikaya S, Akay S, Ebiloglu T, Zor M, Bedir S. - Assessment of Serum Creatinine, Cystatin C and Neutrophil Gelatinase-associated Lipocalin Levels in Rosacea: A Case-Control Study.
Turkiye Klinikleri J Dermatol. 2020;30(2):49-55. https://doi.org/10.5336/dermato.2020-75109. Karabay EA, Karabay E, Demiral ÖU, Karşıyakalı N. - Evaluation of Nephrolithometric Scoring Systems to Predict Outcomes of Retrograde Intrarenal Surgery.
Urol J. 2020;17(4):352-7. Karsiyakali N, Karabay E, Erkan E, Kadihasanoglu M. - Evaluation of Sleep Quality and Quantity of Patients with Benign Prostatic Hyperplasia Using the Medical Outcomes Study-sleep Scale.
J Urol Surg. 2020;7(4):295-301. Sarıkaya S, Sarıkaya FG, Karşıyakalı N, Selvi İ, Şenocak Ç, Bozkurt ÖF, Esperto F, Vurucu M, Gürdal M - Neutrophil gelatinase-associated lipocalin is an early marker of renal damage in lower urinary tract obstruction in rats.
Arch Esp Urol. 2020;73(6):554-60. Karabay E, Yucetas U, Aytac Ates H, Behzatoglu K, Yucetas E, Karsiyakali N, Kadihasanoglu M, Erkan E. - Analysis of urinary stone types? distribution in Turkey according to the geographical regions where patients were born and live: A cross-sectional single-center experience.
Gulhane Med J 2020;62:163-169. DOI: 10.4274/gulhane.galenos.2020.978. Sarıkaya S, Yücel Ç, Karşıyakalı N, Sertoğlu E, Kaya E, Ebiloğlu T, Bedir S, Özgürtaş T. - Evaluation of relationship between visceral adiposity index and overactive bladder symptoms in females.
Endourology Bulletin. 2020; 12(2): 150-156. Karabay E , Karşıyakalı N , Kayar K , Veri?m L , Tosun Ç , Yücebaş Ö. - Hypospadias surgery on YouTube: is it valid?
Minerva Pediatr 2019 Jul 25. https://doi.org/10.23736/S0026-4946.19.05555-5. Karabay E, Karsiyakali N, Kayar K, Koseoglu H. - Relationship between plasma Atherogenic index and final pathology of Bosniak III-IV renal masses: a retrospective, single-center study.
BMC Urol. 2019 Sep 13;19(1):85. doi: 10.1186/s12894-019-0514-0. Karabay E, Karsiyakali N, Duvar S, Tosun C, Aslan AR, Yucebas OE. - Recurrent Urethral LGSIL Causing Macroscopic Hematuria.
Sch J Med Case Rep, May, 2019; 7 (5): 348?350. https://doi.org/10.21276/sjmcr.2019.7.5.11. Karşıyakalı N, Köseoğlu H. - The Largest Cystic Nephroma Treated by Laparoscopic Nephron-sparing Surgery: A Case Report and Review of the Literature.
J Urol Surg 2019;6:148-151. https://doi.org/10.4274/jus.galenos.2018.2190. Karşıyakalı N, Yücetaş U, Ateş HA, Baykal Koca S, Turan Bektaş C, Toktaş MG. - Open radical cystectomy is a reliable surgery with acceptable complication rates in elderly male patients: a retrospective, tertiary hospital-based study
Aging Male. 2019:1-6. https://doi.org/10.1080/13685538.2019.1678127. Karabay E, Topaktas R, Tosun C, Karsiyakali N, Kayar K, Ozturk MI. - Testicular Malignant Mesothelioma.
Ann Clin Case Rep. 2019; 4: 1729. Karsiyakali N, Koseoglu H, Yucetas U, Baykal Koca S, Aktas S, Gokhan Toktas M. - Assessment of sleep characteristics of pediatric population with nocturnal enuresis: A tertiary hospital questionnaire based study.
Gulhane Med J. 2019; 61(3): 114-117. http://dx.doi.org/10.26657/gulhane.00067. Sarıkaya S, Gökçem Yıldız F, Karşıyakalı N, Damar E, Şenocak Ç, Faruk Bozkurt Ö. - Re: Anatomic Basis and Clinical Effect of Selective Dorsal Neurectomy for Patients with Lifelong Premature Ejaculation: A Randomized Controlled Trial.
J Sex Med. 2019;16(7):1122. https://doi.org/10.1016/j.jsxm.2019.05.002 Karsiyakali N, Sarikaya S, Karatas OF. - Retrograde Intrarenal Surgery or Shock Wave Lithotripsy?: Comparison of the Effects on Renal Functions by Glomerular Filtration Rate.
J Urol Surg 2019;6:295-301. Doi: 10.4274/jus.galenos.2019.2967. Sarıkaya S, Karşıyakalı N, Sicimli C, Kaya E, Ebiloğlu T, Bedir S, Özgürtaş T, Karataş ÖF. - Testicular Cancer: A Review of Early and Late Side Effects in Adjuvant Therapies.
Urological Oncology Bulletin, 2018; Volume 2 – Issue 2: 127-135 ISSN 2564-6699. Karşıyakalı N, Balaban M, Yücetaş U. - An Intrauterine Contraceptive Device that Migrated to the Bladder and Encrusted.
IMJ 2017;18:103-105. https://doi.org/10.5152/imj.2017.80037. Çulha MG, Mansuroğlu B, Karşıyakalı N, Yücetaş U, Akay AF.


