PSAnivå
PSAnivå refers to the concentration of prostate-specific antigen (PSA) in the blood. PSA is a protein produced by cells of the prostate gland and can be measured in nanograms per milliliter (ng/mL). The test is used primarily in screening for prostate cancer, and in monitoring disease activity or response to treatment in men with known prostate cancer.
Interpretation of PSA results is not straightforward. A single PSA value does not prove cancer, and elevated
Clinical use often involves considering age-specific ranges, PSA velocity (the rate of change over time), and
Limitations and debates surround PSA screening, including risks of false positives and overdiagnosis. Decisions about testing