PSA is a term that stands for prostate-specific antigen. PSAs are proteins that are created in the prostate tissue and are enzymes that free the sperm from the semen after ejaculation.
These PSAs can be used to screen for prostate cancer. Then, in the mids, the FDA approved the use of PSA as a means of prostate cancer screening along with a digital rectal examination.
Who should get PSA tests? And how often?
It was once recommended that men over 50 should get PSA tests performed annually. It was also recommended that men with a familial history of prostate cancer and men of African American descent should get PSA tests performed annually after the age of It has also been recommended that men who are receiving testosterone replacement therapy should actively get PSA tests.
The presence of PSAs can be based psa test prostate cancer numerous conditions such as: Size of the prostate glandAge of the individualPresence of inflammation in the prostatePresence of prostate cancerPresence of a urinary tract infectionInfluence of medication such as testosterone, finasteride, dutasterideRecent prostate examinationIndirect pressure on the perineum such as from riding a bikeRecent sexual activity Free PSA testing Another test that is often done is a free PSA test, which measures the amount of PSA protein that is not bound to protein.
This test can help evaluate the presence of prostate cancer. Four-Kallikrein Panel 4Kscore — compares the ratio total, free, and intact PSA as well as the presence of human kallikrein-2 hK2 to determine the risk of detecting an aggressive form of prostate cancer. If you are interested in learning more about PSAs or screening for prostate cancer, you should seek out a board-certified urologist.