Direct answer: Total PSA is the amount of prostate-specific antigen measured in blood in both protein-bound and unbound forms. Free PSA is the unbound fraction. Percent-free PSA is calculated from the free and total measurements […]
Direct answer: Total PSA is the amount of prostate-specific antigen measured in blood in both protein-bound and unbound forms. Free PSA is the unbound fraction. Percent-free PSA is calculated from the free and total measurements […]
Direct answer: Prostate and urinary symptoms such as a weak stream, urgency, frequent urination, pelvic pain, or painful urination can have several causes. Benign prostatic hyperplasia (BPH), prostatitis, urinary infection, retention, bladder conditions, medicines, diabetes, […]
Direct answer: Prostate-specific antigen (PSA) is a protein made by prostate cells. A PSA blood test can support an informed prostate-cancer screening decision, help evaluate certain prostate or urinary concerns, and monitor people after prostate-cancer […]

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