Chiari I malformation

Case contributed by Frank Gaillard
Diagnosis certain
  • Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
mri

Low lying cerebellar tonsils which extend below the margins of the foramen magnum by ~10mm and tightly embrace the medulla (best seen on axial imaging). There is no evidence of a syrinx or hydrocephalus. Features are consistent with an incidental Chiari 1 malformation.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.