High concern for prostate cancer
leads to do prostate biopsy
and is based on the changing pattern of PSA iver time and the finding on digital rectal exam (DRE).
How often? The combined info from assessing risk factors, DRE findings, PSA moving attern, prior biopsy finding will help decide how often to go prostate biopsy. If highly concerned, repeat in 6 months, but rarely need that. Ask Doc timely