Hi nsavka and welcome to this wonderful group. I'm sorry you were left worrying over night about what this means. Those MRI reports can certainly cause lots of stress.
Here's what I can pick out of your report - but I am not a medical expert at all - and perhaps someone else can fill in the blanks:
subtle areas = nothing jumps out and screams "here I am!" The spots seen can be explained by other reasons
no mass, infart, midline shift, external fluid = not a tumor, everything is in line where it should be with your brain and it is not leaking CSF outside of the normal spot it should be.
Ventricles and sulci= they normal shape and size for a person your age
Problems wuith the thyroid, both hyper and hypo can cause a number of symptoms that mimic MS, so please try not to allow panic to take over with you.
See the neuro is a good next step and I hope you don't have to wait long to get an appointment.
Come back and let us know how it goes, ok?
be well,
Lulu
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Thank you for your reply, and i will keep you updated