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Anyone “below detection" with an ultra sensitive PSA test?
Prostate Cancer | Last Active: 5 hours ago | Replies (23)Comment receiving replies
PSA is produced by some other glands too , like salivary, periurethral glands, even breast tissue. Also, sometimes some benign prostate tissue is left behind especially with nerve sparing surgery. All of that said, those amounts from other glands are minuscule.
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@surftohealth88 Yes, I recall that from a 1997 paper now that you mentioned it, at least about the periurethral glands and breast tissue. Which then raises the question, why bother measuring PSA to three decimal places? If other organs can produce even minuscule amounts of PSA, can anything meaningful regarding prostate cancer be inferred from a PSA trend that goes from 0.003 to 0.009? I am not stressing out over this personally, I just don’t see the point of measuring PSA to such limits if it is not medically meaningful.