Prostate certain antigen (PSA) is actually a substance that’s only produced by the prostate gland. The protein is very helpful within the diagnosis of prostate cancer due to the fact it acts as a sign of prostate cancer when it is elevated in a blood sample. Under typical conditions, PSA levels in a majority of men are located to be beneath 4ng/ml which is utilized as a reference value when diagnosing the condition. In men suffering from prostate cancer, PSA levels are generally above the reference value although there can be other underlying factors causing the increased level. Studies have shown that, men with a PSA degree of in between 4 and 10 have a 25% opportunity of suffering from prostate cancer although those with levels above 10 have a 67% risk of suffering from the condition.
The levels of PSA in men are influenced by age, and they tend to be lower in younger males and higher in older men. This therefore implies that, the reference value varies within the two age groups where by a value of 2.5 ng/ml is applied as the reference value in younger males although 4ng/ml is employed in older males. PSA test ought to not be taken as one of the most proper test for ruling the presence or absence of prostate cancer but further tests really should be carried out to create a definitive diagnosis.
The test is meant for a number of categories of males but commonly, the test is open for every man over the age of 40 with or with out symptoms of prostate cancer. A number of the points that would make a man to go for a PSA test are the presence of symptoms that are related to the condition, have been exposed towards the threat aspects which are most likely to trigger prostate cancer or comes from a family members that has a history of prostate cancer, and is becoming treated for prostate cancer which makes the test an critical follow-up test.
PSA test is carried out by drawing blood from the arm following which the blood sample is taken to the laboratory for PSA screening. Results don’t take lengthy to obtain and they are reported in nanograms of PSA per milliliter of blood.
PSA test is limited by some aspects which make the test to give false-negative or positive outcomes. Elevated levels of PSA could occur on account of other conditions and this could be taken to be a sign of prostate cancer if further tests aren’t carried out. Unnecessary remedy may well commence to be given to the patient adding much more trouble to the person being treated for the wrong disease. Negative outcomes may also turn into misleading making the patient to be treated for another illness as opposed to prostate cancer which may also have adverse effects on the patient within the lengthy run. It really is as a result essential for physicians to come up with a definitive diagnosis to be able to provide by far the most suitable therapy towards the patient.
PSA test for prostate cancer is very valuable in the diagnosis and remedy of prostate cancer and it cannot be undermined in fighting prostate cancer.