I recently had a shortening of my right styloid internally. I definitely have facial, neck and shoulder weakness on my affected side. Dropped shoulder, dropped eyelid slightly, tongue deviation to right side. I haven't had any relief from these yet (only had surgery 2 weeks ago) but I also suspect that if nerve impingement has caused these symtoms in me, that it is likely that not enough of the process was taken out to relieve it in ym case. Am going to try some pretty intensive physio for a few months and see if that helps.