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Related Experiment Videos

Prostate-specific antigen: critical issues for the practicing physician

H C Ruckle1, G G Klee, J E Oesterling

  • 1Department of Urology, Mayo Clinic, Rochester, MN 55905.

Mayo Clinic Proceedings
|January 1, 1994
PubMed
Summary
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Serum prostate-specific antigen (PSA) aids in early prostate cancer detection. Factors like PSA density and velocity improve diagnosis, while finasteride impacts PSA levels, requiring careful monitoring.

Area of Science:

  • Urology
  • Oncology
  • Biochemistry

Background:

  • Serum prostate-specific antigen (PSA) is a key biomarker.
  • PSA enhances early prostate cancer detection when combined with other methods.

Purpose of the Study:

  • To discuss clinical issues surrounding serum PSA use for early prostate cancer detection.
  • To highlight the utility of PSA-related factors in differentiating benign conditions from cancer.

Main Methods:

  • Review of clinical significance of serum PSA concentration.
  • Analysis of PSA density, PSA velocity, and age-specific reference ranges.
  • Consideration of digital rectal examination impact on PSA levels.
  • Evaluation of finasteride's effect on PSA values.

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Main Results:

  • PSA density, velocity, and age-specific ranges improve cancer diagnosis.
  • Digital rectal examination has minimal impact on PSA, negating the need for delay.
  • Finasteride significantly lowers PSA levels, necessitating careful interpretation and monitoring.

Conclusions:

  • Serum PSA is the most crucial, accurate, and clinically valuable tumor marker for prostate cancer.
  • Understanding PSA dynamics is vital for effective prostate cancer screening and management.