Table 1.

Requirements for prostate biopsy accuracy and reliability as a function of treatment options

	Radical prostatectomy, external beam radiation, brachytherapy	Active Surveillance	Focal Therapy
Goal of prostate biopsy	Detect ANY cancer	Consistently sample known cancer foci	Rule out cancer in uninvolved regions
Need for accuracy/localization	N/A	Important	Important
Need for reliability	N/A	Important	Important*

^*If treating less than one lobe of the prostate