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NetWellness provides the highest quality health information and education services created and evaluated by faculty of our partner universities.
Monday, July 7, 2008
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NetWellness provides the highest quality health information and education services created and evaluated by faculty of our partner universities.
Monday, July 7, 2008
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Prostate Cancer |
Effects of ejaculation on PSA test04/22/2008 02:20PM |
I have read reports that ejaculation 48 hours prior to a PSA test can cause elevated PSA levels. Do you know how many points it can actually raise the levels?
I am unfamiliar with evidence regarding PSA changes due to ejaculation, but I agree with you that this is considered a factor and whenever one of my patients has ejaculated and his PSA is higher than expected, I repeat the PSA. PSA varies quite markedly from day to day, between different assays, and even on the same blood specimen if PSA is re-tested. Whether the variation that we see in repeated PSA measurements is due to one of the many factors described above or whether ejaculation really makes a difference to the PSA measured, I really do not know, but your question prompts me to look up the literature on this subject. Thank you.
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R. Bruce Bracken, MD Professor of Surgery Division of Urology Department of Surgery College of Medicine University of Cincinnati |
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