Best investigation for prostate cancer is -
Answer- C. PSA velocityFor men with a PSA above 4, PSA velocity of more than .75 ng/ml year is suggestive of Ca.While for those with lower PSA levels, rates above 0.5 ng/ml per year should be used to advise biopsy.
Prostate Specific Antigen
Acid Phosphatse
PSA velocity
Alkaline phosphatase