【1】What is the PSA test? 什么是 PSA 测试? Prostate-specific antigen, or PSA, is a protein produced by normal, as well as malignant, cells of the prostate gland. The PSA test measures the level of PSA in the...
Blood PSA testing is used as a screening test for prostate cancer. Prostate-specific antigen (PSA) levels by age remain the same across most populations. A PSA level above 4.0 ng/mL in any age group must be investigated. However, PSA levels can spike in noncancerous conditions, such as ...
Small amounts can also be found in the blood of healthy men as doctors have not yet determined what is a ‘normal’ level. If you do not know your PSA level or prefer not to have a test at this time you can assess your risk by using Risk Calculator 1 which takes into account your...
What Is the PSA Screening Test? The PSA screening blood test measures the levels of PSA circulating in the blood. Both normal prostate cells and cancer cells make PSA. While prostate cancer cells tend to produce less PSA than normal cells, they allow PSA to more easily pass through the cell...
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The article presents an analysis of prostate-specific antigen (PSA) testing and its results. PSA is a protein made in the prostate gland where the PSA test measures the total amount of PSA in your blood and if a patient is diagnosed with prostate cancer, the level of PSA in your blood ...
PSA is a protein made in the prostate gland where the PSA test measures the total amount of PSA in your blood and if a patient is diagnosed with prostate cancer, the level of PSA in your blood may rise. There is no absolute level that always means of having cancer or rules out the ...
The patient’s most recent full blood count and renal function are within normal limits.患者最近的全血细胞计数和肾功能均在正常范围内。Questions：1. Describe the principles of screening and what criteria are used to determine the quality of a screening test.2. What is the PSA screening test, ...
What is a PSA test and when should it be done? By regularly testing PSA it’s possible to detect early‑stage asymptomatic prostate cancer. PSA (prostate-specific antigen) is a protein produced by the prostate. Its level in the blood typically increase in prostate cancer and benign prostatic...
The patient’s most recent full blood count and renal function are within normal limits. 患者最近的全血细胞计数和肾功能均在正常范围内。 Questions: 1. Describe the principles of screening and what criteria are used to determine the quality of a screening test. ...