PSA fractionation is a laboratory test that divides prostate-specific antigen (PSA) into two forms: free PSA and bound PSA. Free PSA is not attached to proteins in the blood, while bound PSA is linked to these proteins. This separation helps doctors get a clearer picture of prostate health and can aid in assessing the risk of prostate cancer.
Understanding PSA levels is important for men's health, especially for those at risk of prostate problems. The ratio of free PSA to total PSA can provide additional clues about whether a man may have prostate cancer. This information can help guide further testing or monitoring, making it a useful tool in prostate health management.
In the body, PSA is produced by the prostate gland, which is part of the male reproductive system. PSA helps to liquefy semen, allowing sperm to swim freely. However, elevated PSA levels in the blood can indicate prostate issues, including benign conditions and cancer. By fractionating PSA, healthcare providers can better understand these levels and their implications for health.
PSA fractionation is typically done alongside other tests to provide a comprehensive view of prostate health. It is a simple blood test that can help direct appropriate care and interventions when necessary.