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Re: Explanation for nondecrease in PSA despite prostatectomy?
Hi Phil,
Since my initial post, I've undergone three different kinds of therapy, and my two most PSA tests have returned "undetectable" (i.e., <0.1).
I've never received an explanation for the phenomenon (nondecrease in PSA despite prostatectomy), but I have succeeded in ruling out two possibilities: The prostate gland was indeed removed, and the standard HAMA-based PSA assay is indeed valid for me.
I don't know what you mean by "perhaps residual?". The surprise was not that the first post-RP PSA test found residual PSA; it was that it found so *much*. If you have a 2-liter bottle full of water and you empty the bottle, you might then expect to find a few drops left, but finding a residual 1.9 liters is extraordinary.
