prostate screening test

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prostate screening test

prostate cancer – The PSA test can save your life

What is APS?

PSA is prostate specific antigen. The PSA is a protease (protein) secreted by the prostate gland. His blood is higher among men with both benign prostate and prostate cancer. The PSA test is now an accepted and routine screening of prostate cancer.

The PSA test

The presence of PSA in the blood is very low, so its detection requires a very sensitive type of technology.

The test uses antibody technique monoclonal. The protein exists as a PSA in the blood itself, and joined with other substances. PSA itself is free, and joined other substances bound PSA.

The term "total PSA is the total of both. The PSA test gives the result of total PSA

Results PSA test

The highest normal total PSA of 4 nanograms per milliliter or ng / ml. Statistics show that men in general prostate gland enlarges PSA and produced more with age.
Therefore, aging has a major role in the actual test results. However, doctors would used by anyone who had a score of more than 4.5 ng / mL, and generally have a biopsy to determine if cancer was present physical

The specific use of the PSA test for cancer

Doctors now use the PSA test in two ways. First as a screening test to identify elevated levels of PSA (as that could indicate cancer, but may also indicate other conditions, both), or as a follow up to those known to have prostate cancer.

With the screening technique, increased levels of more than 4.5 ng / Ml require further investigation. As a follow-up and high rate of PSA can indicate the growth or reducing the threat of cancer.

But also an abnormal result may indicate a recurrence of prostate cancer after treatment.

For example, among men with surgical removal of the gland prostate (prostatectomy), where all the cancer was contained, a PSA test should lead to 0. However, if these men in the sample test positive or increase levels of PSA, indicating that cancer and not properly removed or spread.

PSA can also show noncancerous conditions

The PSA test result may indicate other conditions other than cancer.

Often a higher PSA test result indicates a benign prostate, and its enlargement or hyperplasia of the prostate gland. These conditions are due to increasing age in some men.

Also infection of the prostate gland, known as prostatitis, cause an abnormal elevation of PSA.

There are other conditions that may lead to higher levels of PSA that are not cancerous.

In each case, however, the first physician to perform a biopsy to determine whether cancer cells are present.
The free PSA test

There are free PSA blood and bound PSA, and now there is a free PSA test. Studies have shown that lower levels of free PSA in men with prostate cancer.

The levels of free PSA in men suffering from diseases Benign not decrease. Free PSA levels differ from one test to the procedure the procedure, but in any case, it is a good indicator of the presence of cancer if the levels are set to decline.

Who should undergo PSA Test
While more than 40 years should undergo PSA testing. All men over 50 should undergo PSA testing to ensure that if a problem can be treated quickly. Consult your doctor if this product is refers to you.

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Justifying the need to examine the display, for example, breast cancer, cancer of the prostate, blood tests for STDs?

So if you have a disease that can be detected and treated as soon as possible.

prostate screening Controversy – 8-31-09

Filed under: Prostate

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