Lindaky,
Some of the most knowledgable people on this forum don't get on here every day, much less every hour. Some only check in once a week or less. You've only allowed ~9 hours for a response!

Please... have a little patience.
Injections? There are
many kinds of injections - some diagnostic, and some therapeutic, and different kinds of therapeutic ones. Did he state specifically what
kind of injections wouldn't help you and why? A callback might be warranted. Did the pain doc have any suggestions for controlling your pain?
The way you've stated it, I can't tell where the "results" end and your comments continue, and the snippet you've given us isn't really enough to guess at other than that you seem to have severe nerve signal loss at L5-S1(?)
If you have a copy of the report (you should - if not, request one) you can look up the terms in the
Medical Dictionary at the top righthand corner of every NT page. This is how many of us have learned to read our own reports. You can also google compound terms - include
define or
meaning in your search criteria.
Doc