PSA速度： 从研究看，人随着年龄的增加PSA每年增长小于0.75 ng/ml，一般不会患有前列腺癌；大于0.75 ng/ml则患前列腺癌的危险性增加。据研究对前列腺 ...

How do I request one? What are the downsides to taking one? Are there better alternatives? We answer all these questions and more ...

A PSA test measures your blood level of prostate-specific antigen (PSA), a protein that your prostate gland produces, to help screen for prostate cancer.

The test results are typically reported as nanograms of PSA per milliliter of blood, and an elevated PSA can be a sign of prostate cancer. What is considered a normal PSA level varies by age group.

The PSA test is an imperfect way to screen men for prostate cancer. But until recently, it was seen as the best option available. The test measures the amount of prostate specific antigen, or PSA ...

Early cancer detection significantly improves treatment success and survival rates through various screening methods. Regular ...

The PSA test is a simple, inexpensive blood test, administered by a primary care or family practice doctor to measure the level of a substance called prostate-specific antigen (PSA), which is ...

The PSA test for prostate cancer is surprisingly controversial. Many experts, in fact, now recommend against the test for most men, saying that the cancers it detects are often relatively harmless ...

It has been estimated that 10–40% of men in their 50s and 60s have at least one PSA test per year, largely in a primary care setting. 6 Active surveillance of early, localized prostate cancer ...