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Department of urology and andrology

Dr. med. Johan Denil
urology, andrology, sexual medicine

About the department

The department of urology and andrology at PAN Clinic Cologne advises and treats patients in all urological and andrological health areas. Outpatient and inpatient operations are carried out in fully equipped operating rooms. All rooms are designed in a bright and friendly atmosphere and comfortably furnished to make the stay pleasant. A particular focus is the treatment of patients with urological cancer (kidney, bladder, penis, testicles, prostate). The department has the opportunity to present patient cases to the interdisciplinary tumour board at the university level. Cooperation doctors from the various disciplines (urologists, oncologists, radiation therapists, radiologists) allow discussion of therapy strategies and individualised therapy concepts.

The department is internationally recognised for male health care, prostate treatment, treatment of urological cancer, refertilization and urological surgery. In addition, one of the directions is andrological diseases such as erectile dysfunction and impotence, male sex hormone disorders (hypogonadism) and venereal diseases.

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Treatment and diagnostic focus of the department


  • Benign prostate enlargement (benign prostatic syndrome)
  • Kidney and ureter stones
  • Urinary tract infections
  • Incontinence (female and male)
  • Hormonal imbalances
  • Transsexualism
  • Infertility or unfulfilled desire to have children
  • Impotence and erectile dysfunction
  • Pediatric urology (e.g. bedwetting, developmental disorders in boys, undescended testicles, narrowing of the foreskin)
  • Other pathological conditions

Diagnostic options:

  • Anamnesis (history of the disease)
  • Physical examination (palpation)
  • MRI fusion biopsy of the prostate (currently the most accurate method for suspected prostate cancer)
  • Сlassic ultrasound-guided punch biopsies of the prostate
  • Select MDx test (urine-based molecular test)
  • Cystoscopes with a modern, flexible cystoscope
  • Transrectal Ultrasound (TRUS)
  • Colour-coded 3D ultrasound
  • Hormone analysis
  • Sperm analysis (ejaculate analysis)
  • Urinalysis

Treatment range:

  • Urological operations (outpatient and inpatient) 
  • Outpatient chemotherapy and medicinal tumour therapy for urological tumours
  • Sterilization (vasectomy) and sterilization reversal (refertilization)
  • Uro-Lift ® procedure (UroLift Device is placed through the obstructed urethra to access the enlarged prostate)
  • Cryopreservation (freezing sperm)
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Doctor profile


  • 1973 - 1981 Study of Human Medicine, Catholic University of Leuven, Belgium
  • 1981 - 1983 Postgraduate training, Department of General Surgery, Hospital in Sint-Niklaas, Belgium
  • 1983 - 1989 Postgraduate training in the Department of Urology at the Hospital Ennepe-Ruhr-Süd, Schwelm, Witten/Herdecke University
  • 1988 Board certification in Urology
  • 1989 - 1991 Scientific internship in Andrology and Microsurgery, University of Michigan, Ann Arbor, USA


  • 1991 - 1999 Senior Physician, Hannover Medical School.
  • Since 1999 Chief Physician in the Department of Adult and Pediatric Urology, Andrology at the PAN Clinic Cologne

Awards, memberships, publications

  • 1996 Werner Gering Award for doctoral thesis defence
  • 1997 Poster Award of the Belgian Society of Urology
  • Fellow of the European Board of Urology (FEBU)
  • Fellow of the European Committee of Sexual Medicine (FECSM)
  • Founding Member of the Urological Partnership Cologne (Urologische Partnerschaft Köln) and the Urology Competence Center
  • Cologne (Kompetenz Centrum Urologie Köln)
  • Member of the Meeting of Representatives of the Medical Association of North Rhine
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