A 30-year-old female asked:
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Is it possible to have "slightly low lying cerebellar tonsils" without it being chiari malformation? That was a finding on MRI but doc says no chiari

1 doctor answer
Dr. Michael Gabor
32 years experience in Diagnostic Radiology
Yes,: I suppose so. Chiari malformations have specific findings. "Slightly low lying cerebellar tonsils" is a somewhat nebulous, nonspecific subjective description. It probably means that the tonsillar tip is below the foramen magnum but within the range of normal variation, but if you are concerned, talk to your doc about it.
Answered on Jun 4, 2015
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