Welcome....sorry for the reasons you are here; I had surgery years ago and my recent MRI and nerve test came back positive but I still have stinging, flares, hot/cold...tourniquet sensation, discolorations, edema....etc etc etc etc ...
and the Neurologist feels it's RSD/CRPS 2.....scaring has caused some nerve compression in the neck but that shows up in my fingers in the opposite hand. Don't know if this helps...