I don't have any answers, but if you have gotten any please let me know. Mine goes from my fingers into my neck. The pain in my right hand and forearm caused many a sleepless nights. Since I've left that job the pain has subsided somewhat, and the numbness isn't so bad anymore. I've also notice a weakness in my hand and arm.
Headaches are more frequent now.
I don't have any answers, but if you have gotten any please let me know. Mine goes from my fingers into my neck.