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Prof. Dr. med. Martin Friedrich image

Department of urology with prostate cancer centre

Prof. Dr. med. Martin Friedrich
adult and paediatric urology

About the department

The department of urology with prostate cancer centre at Helios Hospital Krefeld offers a full spectrum of diagnosing and treating all diseases of the urogenital tract in adults and children. Various procedures are available in the department depending on symptoms, prostate size, health status and patient preferences. One of the interests is the treatment of benign prostatic hyperplasia and prostate cancer. As a standard procedure, doctors use prostate enucleation with a holmium laser. The technique has several advantages for the patient, including minimal invasiveness, the ability to use the method even with a significant increase in the prostate (more than 100 grams) and the ability to study tissue in the laboratory. Surgeons plan each operation with great care, calculating the minor nuances. The department's medical team is also actively engaged in research and development activities, which allows the use of the most modern therapy options.

In addition to prostatic hyperplasia, the department specializes in urolithiasis, urinary tract cancer, urinary incontinence, and andrological diseases. Pediatric urology diagnoses and treats all congenital and acquired kidney diseases, recurrent urinary tract infections, and bedwetting. Any therapeutic intervention is assigned to each patient individually, considering the specific clinical situation.

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Treatment and diagnostic focus of the department


  • Benign prostate syndrome (BPS) 
  • Bladder weakness 
  • Urinary incontinence 
  • Urinary stone 
  • Renal pelvis enlargements
  • Bedwetting (enuresis, childhood urinary incontinence, nocturnal wetting)
  • Recurring urinary tract infections
  • Phimosis (narrowing of the foreskin) 
  • Undescended testicles 
  • Urological malformations


  • Anamnesis
  • Physical examination (palpation of the prostate) 
  • Laboratory analysis (blood, urine) 
  • Hormone tests 
  • Ultrasound, duplex, colour doppler 
  • Sperm studies 
  • Renal angiography 
  • Computed tomography 
  • Kidney X-ray 
  • Bladder biopsy 
  • Cystoscopy 


  • Drug treatment 
  • Holmium laser enucleation (HoLEP) 
  • Transurethral resection of the prostate
  • Rezum therapy  
  • Prostate artery embolization 
  • Robot-assisted surgery 
  • Microsurgical vasovasostomy
  • Radiotherapy 
  • Hormone and chemotherapy 
  • Sphincter replacement for severe incontinence 
  • Botulinum A toxin injection 
  • Extracorporeal shock wave lithotripsy 
  • Endoscopic stone removal through the skin 
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Doctor profile


  • 1988 – 1994 Human Medicine, Medical University Hannover
  • 1996 — Final license as a physician Doctorate
  • 1994 – 1995 Physician in an internship, Cardiology, Free University Berlin, Virchow Kliniken, Franz-Volhard-Klinik
  • 1995 – 1996 Physician in internship, Urology, University Hamburg, University hospital Eppendorf
  • 2002 – 2003 Research fellowship of the DFG with the topic: Epigenetic transformations on surface urothelial carcinoma of the bladder, University of Southern California, Norris Comprehensive Cancer Center
  • 2004 Habilitation and Venia Legendi
  • 2005 Specialist for special urological surgery


  • 1996 – 1999 Scientific assistant Urology, University Hamburg, University hospital Eppendorf
  • 1999 – 2000 Scientific assistant Surgery, Hospital Reinbek, St. Adolfstift, Academic teaching hospital of the University Hamburg Eppendorf
  • 2001 Senior physician in the Clinic for Urology, University Hamburg, University Hospital Hamburg-Eppendorf
  • 2000 – 2002 Scientific assistant Urology, University Hamburg, University hospital Eppendorf
  • Since 2007 Clinic Director of the Clinic for the Urology and Pediatric Urology, Helios Hospital Krefeld
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