I don't think so..
You could probably use the old -1 trick to get all the threads and then deselect all but the corrupt one.
Unfortunately, it is a tedious process.. <img src="https://www.ubbcentral.com/boards/images/graemlins/frown.gif" alt="" />
I think that's on Joe's "what would you add" list - or used to be..
NOTE: You could add a temporary hack to cp_prune_submit.pl so the checkboxes were not selected by default. That would make it faster..
If only that were an option, or a JavaScript override.. <img src="https://www.ubbcentral.com/boards/images/graemlins/smile.gif" alt="" />
Graeme
Graeme