Many people will have heard of the prostate specific antigen test (or more commonly PSA test) for prostate cancer, but do you know just what it is and whether or not it is something which you should consider having?
The PSA test was considered a major breakthrough when it was approved for use by the FDA in the mid 1980s and today it remains one of the best tests available for detecting the possible presence of prostate cancer.
PSA testing is quick and easy as it is a simple blood test looking for the presence in the blood of a specific protein produced by the prostate gland. In a normal prostate gland the quantity of this protein produces a level in the blood of about 4 nanograms per milliliter and this is assigned a normal PSA score of 4. As with most things of course this level will vary from one individual to another and so a slightly higher or lower level is not necessarily an indication of a problem and many men will have a normal PSA score of as high as 8 or 9.
In the presence of cancer production of this protein rises and, as the cancer progresses, so the […]

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