It is normal to have sporadic symptoms when you are aware of an MRI coming up.  Last night I had a headache so bad that it woke me up.  I freaked and then thought logically about it.  It was just my stress about the upcoming MRI.  They have been good thusfar and I am confident it will be good again.  Especially since Mike and I are going on a 19 day vacation to make up for our having skipped the honeymoon phase of our marriage.

http://www2.mdanderson.org/cancerwise/2012/10/brain-cancer-couldnt-stop-me-from-dancing.html