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PSA testing can help catch prostate cancer at an early stage. However, having an elevated PSA does not mean that a man has cancer. Noncancerous conditions, including benign prostatic hyperplasia (BPH), or an enlarged prostate, and prostatitis can contribute to elevated PSA levels. Studies showed that about 70% to 80% of men with an elevated PSA who have a biopsy do not have cancer (Loughlin, 2011). Besides, the PSA test does not detect all cancers.About 20% of men who have cancer also have a normal PSA, and so, the test tends to give some men a false sense of security (Loughlin, 2011). ReferenceAndriole G.L. & et al. (2012). Prostate cancer screening in the randomizedProstate, Lung, Colorectal, and Ovarian Cancer Screening Trial: mortalityresults after 13 years of follow-up. Journal of the National Cancer Institute. Retrieved from Barry M.J. (2001). Clinical practice. Prostate-specific-antigen testing for earlydiagnosis of prostate cancer. New England Journal of Medicine. Retrievedfrom Loughlin, K.R. (2011). Is PSA Reliable? Retrieved fromMoyer, V.A. & U.S. Preventive Services Task Force (2012). Screening forprostate cancer: U.S. Preventive Services Task Force recommendation statement. Annals of Internal Medicine. Retrieved from National Cancer Institute (2012). Prostate-Specific Antigen Test.
Retrieved from Schroder F.H. & et al. (2012) Prostate Cancer Mortality at 11 years of Follow-Up. New England Journal of Medicine. Retrieved from