is a psa test accurate
Diagnosing prostate cancer. At the moment, men with symptoms of prostate cancer have a number of tests to find out if they have cancer. The tests include a PSA (prostate specific antigen) blood test and a rectal examination. A PSA test is not a very accurate test for prostate cancer.Some men with a high level of PSA in the blood have prostate cancer. But some men who have prostate cancer have a low PSA level. And PSA levels can also be raised by several other medical conditions not related to cancer.So, if you have a raised PSA, you need more tests to find out if you have prostate cancer.iagnosing prostate cancer. At the moment, men with symptoms of prostate cancer have a number of tests to find out if they have cancer. The tests include a PSA (prostate specific antigen) blood test and a rectal examination. A PSA test is not a very accurate test for prostate cancer.