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Why does PSMA Pet Scan show no evidence of mets? Missing something?
Prostate Cancer | Last Active: Jan 3 5:12pm | Replies (40)Comment receiving replies
@jeffmarc
Thanks Jeff. I had the PSMA scan this am at Mayo. I was told they use the Choline Pet if nothing shows with PSMA in case the cancer does not emit PSMA.
I got my results back and everything is contained , single tumor in the prostate with no spread anywhere. My tumor is 4+4=8 . I meet with the surgeon in one week and Radiation in 18 days.
My prostate is enlarged and at 84 ml. Wondering if that would need shrinkage before radiation. I would appreciate any thoughts or ideas for questions. I really appreciate everyone on this site, it's very comforting to have this resource.
Replies to "@jeffmarc Thanks Jeff. I had the PSMA scan this am at Mayo. I was told they..."
@dribbles
Frequently they do ADT before Radiation to try to reduce the size of the tumors and also the prostate. Two months Before I had Salvage radiation they gave me ADT. That was when my PSA hit .2 3 1/2 years after surgery.
They usually prefer to do that, For a Gleason eight would be pretty normal.
Funny thing is I never noticed the six month shot doing anything to me. When I went on the proud a few years later, I immediately got terrible hot flashes, but never had them when they gave me that shot before radiation.
The radiation should give you a good chance of remission since the cancer is isolated.
Anywhere else, but Mayo they give you an FDG pet scan if you have no PSMA being produced.
@dribbles Yes, Choline C-11 was one of the 3 PET scans used prior to the use of PSMA. (The other 2 were the Axumin and the F18-FDG PET scans.)
No one makes the case that the Choline C-11 or the Axumin or F18-FDG PET scans are even on par with PSMA PET scans..,,,unless the prostate cancers are PSMA-negative (as you indicated), in which case they fall back to one of those 3 pre-PSMA PET scans; Mayo is the only one that uses Choline C-11.
Since your prostate cancer was PSMA avid, they would’ve assigned a SUVMax score to it (indicating its aggressiveness). What was the SUVMax score they assigned to it?
With a Gleason 8, hormone therapy is recommended in the NCCN guidelines. (See attached NCCN Guidelines for high-risk prostate cancer.). The hormone therapy will shrink the prostate.
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@dribbles Sometimes one is put on hormone therapy before radiation.
I was 2 years + ago. See my profile for my condition.