Prof. Dr. Semih Ayan

Prof. Dr. Semih Ayan
Academic Title :
Prof. Dr.

Prof. Dr. Semih Ayan is a prominent specialist in UROLOGY at Medical Park Florya, with over 30 years of extensive clinical and academic experience in diagnosing and treating simple and complex urological conditions and cancers in both adults and children.

Education and Academic Qualifications

  • 1991: Medical Degree (MD) from the Faculty of Medicine at Cumhuriyet University, Turkey
  • 1997: Specialization in Urology from the Faculty of Medicine at Cumhuriyet University, Turkey
  • 1999 - 2000: Postdoctoral Research Fellowship in Pediatric Urology at Boston Children's Hospital, Harvard Medical School, USA
  • 2003: Associate Professor of Urology from the Turkish Interuniversity Board
  • 2009: Professor of Urology
  • 2014 - 2015: Clinical Fellowship in Minimally Invasive Urological Oncology at the Department of Surgery, Section of Urology, University of Chicago, USA

Areas of Interest

  • Urological oncology (prostate cancer, kidney tumors, bladder tumors, testicular tumors)
  • Pediatric urology (undescended testis, hypospadias, urinary reflux to the kidney, renal outlet obstruction)
  • Minimally invasive surgery (laparoscopic and robotic procedures for urological cancers)
  • Urinary stone disease management (endoscopic and percutaneous surgeries for kidney, ureter, and bladder stones)
  • Benign prostatic hyperplasia (BPH), varicocele, and hydrocele
  • Resident in Urology at the Faculty of Medicine, Cumhuriyet University (1991 - 1997)
  • Assistant Professor at the Faculty of Medicine, Cumhuriyet University (1998 - 2003)
  • Postdoctoral Research Fellow at Boston Children's Hospital, Harvard Medical School, USA (1999 - 2000)
  • Associate Professor at the Faculty of Medicine, Cumhuriyet University (2003 - 2009)
  • Professor of Urology at the Faculty of Medicine, Cumhuriyet University (2009 - 2017)
  • Vice Chief Physician and Rector Advisor at Cumhuriyet University Hospital (2012)
  • Clinical Fellow in Minimally Invasive Urological Oncology at the University of Chicago, USA (2014 - 2015)
  • Head of the Department of Urology and Professor at Istanbul Aydin University, and Senior Consultant at Medical Park Florya Hospital (2017 - Present)
  • Certified by the European Board of Urology (EBU)
  • Fully Certified by the United States Medical Licensing Examination (USMLE)
  • Member of the American Urological Association (AUA)
  • Member of the European Association of Urology (EAU)
  • Member of the Turkish Society of Urologic Surgery
  • Member of the Turkish Uro-Oncology Association
  • Study on the evaluation of miR-130b-3p and miR-375 levels and telomere length with telomerase activity in prostate cancer
  • Study on the HRM method for identification of TP53 exon 5 and 8 mutations in human prostate cancer patients
  • Multicenter study of the Turkish Urooncology Society on public awareness of testicular cancer and self-examination in Turkey
  • Study on the efficacy of combined anticholinergic treatment and behavioral modification as a first-line treatment for non-neurogenic and non-anatomical voiding dysfunction in children
  • Study on the effects of partial ureteral obstruction on the renal renin-angiotensin system in the fetal sheep kidney
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