Sarcoid is difficult to diagnose:
Here is a very comprehensive explanation:
http://emedicine.medscape.com/article/1147324-workup
This link is to the work up in general.
But if you go back to the beginning there is a very detailed
description of neuro-sarcoidosis.
It is not common, however.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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