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A member asked:
A recent mri showed cerebellar tonsillar ectopia up to 12 mm, does this along with having a lot of the symptoms of chiari mean that chiari is likely?
2 doctors weighed in across 2 answers
Yes. When you : follow up with the MD who ordered your MRI, you should be given a referral to a neurosurgeon to discuss any further diagnostic studies needed & treatment options.
Answered 1/5/2016
1.8k views
Meets Chiari I def: Tonsilar ectopia greater than 5-6mm below the foramen magnum is considered a Chiari I malformation. Whether symptoms are associated is more individual, but usually at 12mm and greater, most are found to have associated symptoms.
Answered 1/11/2016
1.7k views
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