I have the cold toes and hands that fall asleep all the time as part of my symptoms as well. The last neuromuscular specialist I saw suggested that poor circulation due to my varicose veins could be causing (or at least contributing to) my problems.

I don't have an answer to your question at this time. But I do have an appointment with a vascular surgeon at the end of May to have this issue evaluated. I'll let you know what they do as far as testing, and any other info I find out.

I've done quite a bit of research online, and have found very few references to vascular issues causing the type of burning pain that I have - so I'm not very optimistic that this will lead anywhere. But at this point, the note is in my file that the NM specialist recommended a vascular evaluation - so the doctors won't want to pursue any other causes until I get the evaluation.

Sure would be nice if the doctor's would pursue more than one possibility at a time. I'd hate to find out what the cause of my problem is, only to find out that it's too late to do anything about it because the damage is done