New test detects prostate cancer correctly.

A new PSA test to screen for prostate cancer more accurately identified men with prostate cancer – particularly the aggressive form of the disease – and substantially reduced false positives compared to the two currently available commercial PSA tests, according to a research from Northwestern Medicine.
PSA stands for prostate-specific antigen, a substance whose elevated levels can indicate prostate cancer but can also be caused by prostate inflammation or enlargement or other conditions. Its lack of specificity can result in unnecessary biopsies.

The results of the study showed the new screening test, a simple blood test called the Pro-PSA test, is particularly useful for patients with a normal prostate exam whose PSA is 2 to 10, a range considered the diagnostic gray zone because most men with higher levels have prostate cancer and most men with lower levels do not. Read more…

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