What is the difference between Multiple Sclerosis and Neuropathy?

For example, do lesions on the brain rule out Neuropathy? What are the deciding factors that lead neurologists to a decision between the two diseases? Sorry, I worded the question wrongly. I meant to ask, what are the deciding diagnostical factors in MS and Neuropathy. As there a lot many similar symptoms, I aw wanting [...] http://bit.ly/qGlxGr