PSARandomised studiesScreeningSurvival ratesProstate-specific antigen (PSA) testing advances the diagnosis of prostate cancer, shifting the stage at diagnosis towards localised disease. However, the widespread application of PSA testing is controversial, due to uncertainties over whether earlier diagnosis of...
Prostate Cancer: Does PSA screening do more harm than good?doi:10.1038/nrurol.2009.63FarleySuzanne J.OAINature Reviews Urology
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Then you'll have repeat PSA tests once every 6 to 12 months for about 5 years. If your doctor says chances are high that your cancer will come back, you may need them once every 3 months. If your PSA levels stay normal, you can switch to once-a-year PSA tests. Ask your doctor h...
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For example, a PSA (prostate-specific antigen) exam for prostate cancer that is abnormally high may lead to a referral to a urologist, a biopsy and surgery. These two treatments for common illnesses are illustrative examples of primary care, one effective and cost reducing and the other ...
nPSA is a strong independent predictor of freedom from PSA failure and PFS in patients with low and intermediate-risk localized prostate cancer treated with RT alone. Longer follow-up and larger patient numbers are required to confirm these observations. 展开 ...
However, test- ing total PSA (tPSA) levels to decide which patients should undergo a biopsy has been found to lead to high rates of false- negative and false-positive results. In men with false-negative results, cancer may be missed. Men with false-positive results may undergo unwarranted ...
Meta-analysis finds screening for prostate cancer with PSA does not reduce prostate cancer-related or all-cause mortality but results likely due to heterogeneity-the two highest quality studies identified do find prostate cancer-related mor- tality reductions. Evid Based Med 2011;16:20-1....
All treatments significantly reduce serum prostate-specific antigen concentrations compared with control (66–83% reduction). These results indicate the potential prostate cancer inhibitory effects of black tea and support future studies in this area. Skin cancer Studies in both chemical as well as UV...