Post by etiosliva143 on Nov 9, 2011 5:23:36 GMT -5
A prostate cancer blood test is not perfect, and can often return either a false-positive or false-negative result. In a false-positive result, the levels of PSA are elevated even though no cancer is present; this can lead to extra or unnecessary tests and treatments. In a false-negative result, the levels of PSA are lower than normal, in spite of the patient actually having cancer. This can lead to delayed treatment of reproductive cancers.