Expert: Claes-Gustaf Nordquist, M.D. - 10/29/2011

Question
QUESTION: I had a MIR last year a few days before christmas cus I was getting some dizzyness maybe it was due to stress but they said everything came out good. I'm getting some dizzyness again should I get another MIR? And how often should people get MIR

ANSWER: I suppose you mean an MRI? First of all. Dizzyness can have many causes. All of them can not be checked by MRI - for example dizziness due to a falling blood pressure or one due to some ear or balance problems. What can be excluded after a negative MRI brain scan are brain tumors and tumors of the 8th cranial nerve (where hearing and balance informations are brought to the brain). So it is not certain that a new MRI scan would be of any help, though it is not dangerous for you to have another MRI scan. Let a good neurologist check you and decide what should be done! Good luck!


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---------- FOLLOW-UP ----------

QUESTION: Can a brain tumor grow in 8 months or it takes years? Can a brain tumor numb the penis?

Answer
It can grow in 8 months from something not detected to something detected though it has probably been there longer. What a brain tumor would numb depends on its location in the brain. But that it would just numb the penis is not very probable.


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