Dr. Prof. Semih Ayan

Qualification - MD (Urology), Fellow of the European Board of Urology

Specialization - Urology & Uro-oncology

Designation - Professor

Location - Istanbul, Turkey

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Career Profile

Prof. Dr. Semih Ayan is a leading urology specialist in Istanbul, Turkey with a vast clinical experience of over 29 years. He received post doctorate research fellow from the Department of Urology at Harvard Medical School, Children's Hospital in Boston. His main area of clinical focus include complicated issue of paediatric and adult urology, and treatment of cancers of kidney, prostate and bladder.

He has been involved in an extensive oncology program with major focus on robotic surgery of prostate and kidney cancer. Dr. Ayan provides expert medical services including treatment of partial ureteral obstruction to the kidney, neonatal hydronephrosis, ureteropelvic junction obstruction, urine reflux to kidney, hypospadias and undescended testis. He is also considered an expert in treating urinary stone disease and has an experience of performing numerous endoscopic and percutaneous surgeries for kidney, ureter and bladder stones.

Prof. Dr. Semih Ayan is a recipient of United States Medical License and European Board of Urology Certificate. He is also a member of several reputed medical organizations including American Urology Association (AUA), European Association Urology (EAU) and Turkish Urologic Surgery and Urologic Oncology Society.

Education & Training

  • Urology Specialist Cumhuriyet University - 1997
  • Post-Doctoral Research Fellow of Child Urology - Harvard University - 1999 
  • Associate Professor of Urology - 2003 
  • Professor of Urology - 2009 
  • University of Chicago, Minimally Invasive Urological Oncology (Clinical Fellow) - 2015 

Experience

  • Cumhuriyet University School of Medicine, Professor Doctor
  • Post-Doctoral Research Fellow of Child Urology. Harvard Medical School, Children\'s Hospital, Department of Urology, Boston, USA
  • Minimally Invasive Urological Oncology Clinic Fellowu, University of Chicago, Dept of Surgery, Section of Urology, Chicago, USA

Clinical Focus

Urological Procedures

Research and Publications

  • Ayan S, Yildirim S, Ucar C, Sarioglu Y, Gültekin EY, Butuner C. Corporal reactivity to adenosine and prostaglandin E1 in alloxan-induced diabetic rabbit corpus cavernosum and the effect of insulin therapy. BJU Int, 83: 108-12, 1999.
  • Yildirim S, Ayan S, Sarioglu Y, Gültekin EY, Butuner C. The effects of long-term oral administration of L-arginine on the erectile response of rabbits with alloxan-induced diabetes. BJU Int, 83: 679-85, 1999.
  • Ayan S, Kaloglu C, Gökce G, Kılıcarslan H, Gültekin EY. Effect of insulin therapy to diabetic cystopathy: urodynamic and histological findings in a rabbit model. Sc J Urol Nephrol, 33: 392-5, 1999.
  • Yildirim S, Ayan S, Sarioglu Y, Gültekin Y, Uma S. Does diabetes mellitus affect the progress of tolerance to isosorbide dinitrate (ISDN) in corporal tissue? Nitric Oxide: Biology and Chemistry, 4: 29- 34, 2000.
  • Ayan S, Sarioglu Y, Yildirim S, Gokce G, Bagcıvan I. Relaxation induced by omeprazole does not change in diabetic rabbit corpus cavernosum. BJU Int, 87(3):265-8, 2001.
  • Ayan S, Gokce G, Kılıcarslan H, Kaya K, Gultekin EY. An unusual cause of urinary incon tinence: urethral coitus. Sc J Urol Nephrol, 35:254, 2001.
  • Yildirim S, Simsek R, Ayan S, Gokce G, Sarıoğlu Y, Safak C. Relaxant effect of some benzothiazolinone dervatives on isolated rabbit corpus cavernosum. Urol Res, 29:182-5, 2001.

Memberships

  • Urological Surgery Association
  • European Urology Association
  • Urooncology Association
  • American Urology Association
  • United States Medical License (USMLE) Certificate
  • European Urology Board Certificate

Procedures

Dr. Ayan performs 42 different procedures. Click on a procedure name to see more details and to view doctors for that specialty.

Urology

Extracorporeal Shock Wave Lithotripsy
Percutaneous Nephrolithotomy
Pneumatic Kidney Stones Removal

Prostate Biopsy with Transrectal Ultrasound

Surgery for Female Urinary Incontinence

Oncology

Cyberknife for Prostate Cancer
HIFU (High Intensity Focused Ultrasound) for prostate cancer
Rapid Arc with IGRT for prostate cancer
Rapid Arc with IMRT for prostate cancer
Green Light Laser PVP Surgery
Brachytherapy for prostate cancer

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