Pathology Consultation on Prostate-Specific Antigen Testing
2014
Objectives: To provide clarity on the pros and cons of using prostate-specific antigen (PSA) as a screening tool for prostate cancer.
Methods: Case scenarios and a literature review of recently published clinical trial data are presented to provide evidence of the controversy.
Results: PSA is a sensitive biomarker for detecting diseases of the prostate, but it is limited in its ability to distinguish cancerous from noncancerous conditions or aggressive from indolent cancers and has resulted in a considerable amount of overdiagnosis and overtreatment.
Conclusions: The analytical methodology for total PSA testing is both reliable and cost-effective, but patients should be encouraged to talk to their providers to understand the benefits and harms associated with this testing.
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