Common blood tests for prostateThe prostate is a walnut-sized gland located between the bla... Full Definition cancerCancer is a group of diseases where cells grow abnormally an... Full Definition measure Prostate-Specific Antigen (PSA), an enzymeEnzymes are molecules that accelerate chemical processes in ... Full Definition produced in the prostate that ends up in sperm and also in the bloodstream. Different measures of PSA help doctors determine if cancer is present and if it is growing. Multiple tests may be performed from a single blood draw.
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PSA Test
Common blood tests for prostate cancer measure Prostate-Specific Antigen (PSA), an enzyme produced in the prostate that ends up in sperm and also in the blood stream.
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PSA Velocity
PSA Velocity measures how quickly Prostate-Specific Antigen levels are rising.
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PSA Density
PSA Density compares levels of Prostate-Specific Antigen to the size of the prostate.
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Percent-Free PSA
Percent-Free PSA is a measure of the percent of PSA in the blood that is floating freely compared to PSA that is attached to another protein.
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Complexed PSA
Complexed PSA uses multiple measures of Prostate-Specific Antigen (PSA) to help doctors determine if cancer is present and if it is growing.
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Prostate Health Index
The Prostate Health Index is a combination of three blood tests that measure biomarkers in PSA.
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4kscore
The 4kscore test is a blood test that measures three forms of Prostate-Specific Antigen (PSA), along with another marker in the blood.