• 成本与收益应相平衡 Prostate cancer is the most common male cancer and the second leading cause of cancer death in men in the UK. PSA is an enzyme produced by the prostate gland whose purpose is to liquefy semen, and normally, only very small levels of PSA are found in serum. Eleva...
The mean PSA-level in blood-sera was 0.013 ng/ml and 0.063 ng/ml in patients with benign and malignant diseases (p=0.21). 50% of the PSA values were below the reference value. There was no difference between patients with different AJCC-stage. Only in patients with advanced tumors (AJCC...
The PSA level in blood is measured in units called nanograms per milliliter (ng/mL). Elevated PSA levels do not always indicate that cancer is present, but the blood level of PSA is often elevated in people with prostate cancer.2
and normally, only very small levels of PSA are found in serum. Elevated levels may be found in men with prostate cancer, along with other benign conditions, such as benign prostatic
aRecently, Lilja et al (130) demonstrated a very strong association between PSA levels in blood collected more than 20 years prior to prostate cancer diagnosis and the likelihood of that diagnosis in a large representative population of[translate]...
Complexed PSA.This measures the amount of PSA that is attached to proteins in your blood. It’s not widely used, but it may be done rather than assessing total and percent-free PSA levels. Combination tests.Newly developed tests combine the measurements that you get from different PSA tests....
There is no specific normal or abnormal level of PSA in the blood. In the past, PSA levels of 4.0 ng/mL and lower were considered normal. However, some individuals with PSA levels below 4.0 ng/mL have prostate ca...
Pellegrino, F., Sjoberg, D.D., Tin, A.L.et al.Predictive value of kallikrein forms and β-microseminoprotein in blood from patients with evidence of detectable levels of PSA after radical prostatectomy.World J Urol41...
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 wall and eventually wind up in the bloodstream. This suggests that elevated PSA levels in the blood could signify ...
Complexed PSA.This measures the amount of PSA that is attached to proteins in your blood. It’s not widely used, but it may be done rather than assessing total and percent-free PSA levels. Combination tests.Newly developed tests combine the measurements that you get from different PSA tests....