I agree that it does not sound like MS, but I would fire your Neuro anyway. Doesn't sound like due diligence is being done. When my Neuro wasn't finding anything...she sent me to a Rhumitologist. Anf in 6 months time my MRI's changed from a big negative to a big positive....so I don't know what your Neuro was thinking by suggesting that the MRI's may not change from a year ago. Sounds like he HIGHLY doubts MS and therefore does not want to subject you to another MRI.

With that being said...I agree that the hair loss here is key. I would insist that they run the Thyroid tests: T3 and T4. The standard thyroid test is not that accurate.
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Please see here for the information http://www.womentowomen.com/hypothyr...ttheymean.aspx

And with that in mind I think I would also suggest a consult with a Rhumitologist.