Just to be clear to others responding, you are having salvage
cryoablation after a radiation failure (which is very different from primary cryoablation). Since you went to Mayo, I assume you had a C11 Choline PET/CT to make sure there weren't any non-local metastases - is that correct? I think that it is very important to have some sort of advanced PET scan first to rule out futility of salvage.
Coincidentally, I just reported on the longest running study of salvage cryo after radiation failure:Salvage whole-gland cryoablation after failure of primary radiation therapy
As you can see, it was disappointing in that 77% of such patients had biochemical recurrences by 15 years later. However
, 15 years ago we didn't have the sensitive PET scans that we have today. That might have helped select the men who had only
local progression and and who would have been ideal candidates.
The other difference is that it sounds like Dr. Onik will use the mapping biopsy to identify and treat only those areas in which he finds cancer (focal salvage), while in that study, the whole prostate was cryoablated. His focal treatment will probably reduce the incidence of serious complications.
As for the things you were told... Salvage treatment is even more of a specialty than primary treatment, so it is even more important that one seek out salvage specialists. It is not enough that a given doctor is a specialist at surgery or radiation or ablation. And a famous institution is no guarantee. I think Dr. Onik is as expert as one can get in the practice of salvage cryo (I'm sure you asked about
his experience and statistics).