|
- Prostate-Specific Antigen (PSA), Total and Free, Serum - Mayo . . .
PSA exists in serum in multiple forms: complexed to alpha-1-anti-chymotrypsin (PSA-ACT complex), unbound (free PSA), and enveloped by alpha-2-macroglobulin (not detected by immunoassays) Higher total PSA levels and lower percentages of free PSA are associated with higher risks of prostate cancer
- Prostate-Specific Antigen: PSA Test and PSA Levels Explained
The prostate-specific antigen (PSA) test is used to measure blood PSA levels and help detect prostate cancer or other prostate abnormalities
- PSA, Free and Total | Test Detail | Quest Diagnostics
PSA, Free and Total - In men over 50 years with total PSA between 4 0 and 10 0 ng mL, the percent (%) free PSA gives an estimate of the probability of cancer In these circumstances the measurement of the % free PSA may aid in avoiding unnecessary biopsies
- PSA, % Free - Lab Results explained | HealthMatters. io
PSA, TOTAL: This marker measures the total amount of PSA in the blood, which includes both PSA bound to proteins and PSA that is unbound (free PSA) Elevated total PSA levels can indicate prostate cancer, benign prostatic hyperplasia (BPH), or prostatitis (inflammation of the prostate)
- PSA test - Mayo Clinic
Percentage of free PSA PSA circulates in the blood in two forms — either attached to certain blood proteins or unattached (free) If you have a high PSA level but a low percentage of free PSA, it may be more likely that you have prostate cancer
- Free PSA: Test, results, and prostate cancer - Medical News Today
A free PSA test measures the level of prostate-specific antigens (PSA) that are not bound to other proteins in the blood This helps diagnose prostate issues
- PSAFT - Overview: Prostate-Specific Antigen (PSA), Total and . . .
Prostate-Specific Antigen (PSA), Total and Free, Serum Useful For As an aid in distinguishing prostate cancer from benign prostatic conditions in men aged 50 years and older with total PSA between 4 0 and 10 0 ng mL with digital rectal examination findings that are not suspicious for cancer
- Prostate-Specific Antigen (PSA), Total Free, Serum
Additional Info: Includes total PSA, Free PSA, % Free and Risk of Prostatic cancer Useful For: Serum PSA levels should not be interpreted as absolute evidence of the presence or absence of disease Methodology: Immunoenzymatic Specimen Requirements: 1 yellow-top SST tube (minimum: 0 6 mL of serum) Centrifuge SST soon after clotting Separate serum and FREEZE immediately Send specimen frozen
|
|
|