【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 ...
Another issue with the PSA test is what is normal and what is abnormal in terms of the PSA level in the blood. 另外一个PSA检测的问题是,就PSA在血液中的水平来说,正常与非正常怎么区分? news.dxy.cn 4. The widely used PSA test often spots cancers too slow-growing to be deadly. PSA检测的...
摘要: It is normal for men to have a low level of PSA in their blood; however, prostate cancer or benign (not cancerous) conditions can increase a man's PSA level. As men age, both benign prostate conditions and prostate cancer become more common. The most...
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...
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 ...
What Is PSA? - Definition, Test & Normal Levels Lesson Transcript Instructor Justine Fritzel Justine has been a Registered Nurse for 10 years and has a Bachelor's of Science in Nursing degree.Cite this lesson In this lesson, we will learn about the prostate gland in males. We will ...
This is a test where the doctor takes a small amount of tissue from your prostate and sends it to a lab for tests. It’s the only way to find out if you have prostate cancer. What Are Normal PSA Levels? There’s no single PSA level that’s considered normal. In the past, experts...
Cancer Research UK also raises awareness of the importance of listening to your body and getting to know what's normal for you. If you notice a change that doesn't go away or is new, then speak to your doctor. If a man hasurinary symptoms—most of which are caused by a non-cancerou...
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. ...