Prostate-specific antigen (PSA) blood tests are used to check for problems of the prostate. It is the only organ that produces this chemical in any quantity, so a higher than usual level in the blood indicates that further investigation should be made.
Levels can be raised in a number of conditions, which include:
If a higher than usual level of PSA is found, it is likely that other tests will then be taken to check for the presence of cancer.
High PSA doesn’t necessarily mean cancer and patients are advised not to worry, however a high PSA level should be investigated to ascertain the cause.