Mub,
Forgive the curious question, but did your spine surgeon know about your fibromyalgia? Did you bring it up in your consults? Take a look at this topic too:
ADR Risks, Complications, Disqualifications Would you call fibromyalgia an immune-related disease?
Some fibro patients are seeing successes in treating their fibro both palliatively and systemically. If you are lucky, maybe you could consult patients and doctors who have seen these successes -- and it may help you with some of your spinal pain symptoms. It may be a long-shot, maybe not...