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Keywords:

  • PSA;
  • PCA3;
  • prostate cancer;
  • biopsy;
  • decision

The decision to take a prostate biopsy is traditionally guided by a digital rectal examination and measurement of serum total prostate-specific antigen (tPSA). However, both techniques are subject to inherent weaknesses. The prostate cancer gene 3 (PCA3), a gene-based marker, specific for prostate cancer, supplements the predictive power of tPSA to improve diagnosis of disease. Including this new marker in the standard of care for men at risk of prostate cancer should be considered, as it presents marked potential for better decision making for a prostate biopsy and for improving overall patient care.