To check for possible prostate cancer, physicians most often use prostate-specific antigen (PSA) tests and digital rectal exams (DREs). For a firm diagnosis, they use core needle biopsies. This page ...
A prostate-specific antigen (PSA) test is a blood test that measures a protein released in the blood by prostate cells. Both normal and cancerous prostate cells release the protein. Most of the time, ...
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