Publications by Ash (2000) can be summarized as follows:

Inclusion Criteria:
• Stage T2a and clinically as NO, MO
• Gleason Score < 7,
• IPSS < 8
• Uroflow > 15 ml/s
• Residual urine < 50 cc
• PSA 10 ng/ml
• Prostate Volume 50 cc

Exclusion Criteria:
• Life expectancy < 5 years
• Contraindications for anaesthesia
• Distant metastases

Criteria which may be associated with an increased risk of complications:
• Pubic arch interference
• Prior pelvic irradiation
• TURP within the previous 6 months
• Positive seminal vesicle biopsy