I feel you, I had a spinal fusion & diskektomy done on 10 March 09 and since my L3, L4, and L5 never fused I have to have another fusion. This time they are going in through my abdomen and placing spacers between the vertebrae and a metal plate to sandwich it all together since I have rods and screws coming in the other direction. And I am only 35. I truly feel for your MS issues, I am lucky that mine is only the fusion issue. Best of luck.