MRI Scan

I've just added a second post to my initial thread, but I thought I would also start a new one, because I have an important question about MRI scans. Does anyone know whether they are simply to rule out multiple sclerosis when they're done on the brain and spine? Or is there another purpose for them? My neurologist was very rushed and didn't expain anything about it.

I am supposed to have an MRI scan of the brain and spine which will cost me $375 Australian dollars. My neurologist thinks it's highly unlikely that I have multiple sclerosis, so if it's only done to test for that, I might not bother getting it done.

I can't work due to my symptoms, and my husband and I have debts. $375 would be a lot for us to spend on testing something there's only a slight chance of.

I've already had a CT scan of the brain and nothing was found then.

I'm also curious what sorts of specialists or alternative medicine practitioners other people with Chronic Fatigue Symptoms and/or numbness have found particularly beneficial? I can't afford to see a lot of different doctors or have a lot of different tests, so I need to choose wisely.

Thanks so much for your input.