I can only add a good diet & supplements may help the healing process, in the stickies " Wings 42 " has excellent info' in his threads called " A program to heal nerve damage and reduce PN symptoms " its on this page.
http://neurotalk.psychcentral.com/sh...p?t=177&page=2
Also all about B12;
Rose's website http://roseannster.googlepages.com/home

Brian