one year post radiation advice
One year post radiation PSMA PET
Redemonstration of mild diffuse heterogeneous radiotracer activity in the prostate gland without significant changes compared to prior study with SUV max 3.4, previously 3.1.
There is a new small focus of mild uptake along the right internal iliac vasculature which may correspond to a tiny lymph node with SUV max 2.6.
Redemonstration of additional focal uptake along the right pelvic sidewall corresponding to the subcentimeter short axis lymph node with SUV max 2, previously 2.1.
Information, speculation, guesses, and direction will all be appreciated. Thanks
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@gently Well, PSA’s after primary radiation seem to jump around a bit anyway; your results are so close as to be the dame, in my book.
If that node did not respond at all to Orgovyx there’s a good chance it’s not cancer; but did you have pelvic node radiation as well or just to the prostate bed? That could be the issue since if there was cancer there originally and it wasn’t treated, a year later it would have re grown in size post- Orgovyx.
And yes, I think the PSE test is a great idea if you are unsure. Discuss this with your RO and get some feedback.
Phil
@gently
Going to .28 from .27 is really a non-issue. PSA can jump around. There’s no question about that happening frequently for people.. Since you started off with radiation, they usually don’t want to do anything until your PSA rises two point points above the minimum. I’m not saying all doctors feel this way, but that is the Documented procedure.
A PSE test at this point would make no sense at all. That test is to determine whether or not you have prostate cancer and need a biopsy. You are way beyond that.
Now a decipher test would make a lot of sense. That would tell you your chance of having a reoccurrence in the next five or 10 years.
You did say that they determined that that node was not cancerous. Very unlikely they’re going to do anything about it. They zap what lights up on me PET scan not what doesn’t light up.
@jeffmarc They can do an accurate Decipher on biopsy material over a year old?
Or are you suggesting a new biopsy on an already irradiated prostate?
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1 Reaction@heavyphil
The biopsy material is frozen, sliced into thin sections and put on slides. They can last many years. I don’t think one year would be a problem three or four might be.
From AI
To do a Decipher test for prostate cancer, labs need a sample of your actual prostate tumor tissue, usually a Formalin-Fixed Paraffin-Embedded (FFPE) block or unstained slides from a previous biopsy or surgical removal (prostatectomy), containing enough tumor cells (around 0.5mm for biopsy). They don't need new samples; they use existing pathology materials, along with the required physician forms, to perform genomic analysis on the cancer's genes to predict aggressiveness.
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5 Reactions@jeffmarc That’s great to hear. Good news for the recently diagnosed - within the last few years or on AS - to aid in a treatment decision…thanks!
Phil