Prostate Specific Antigen (PSA)
Prostate specific antigen (PSA) is produced exclusively by cells of the prostate gland. Used in conjunction with the digital rectal examination, PSA is a useful screening test for benign prostate hyperplasia (BPH) and prostate cancer development.
Fasting is not required for this test. Take all medications as prescribed.
Ejaculation within 48 hours preceding the blood draw may elevate the PSA in some men.
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