Cerebellar tonsillar ectopia

Case contributed by Dr Sachintha Hapugoda


Syncopal episode. Previous ACOM aneurysm coiling.

Patient Data

Age: 75 years
Gender: Female

Within the limitations of metallic streak artefact from ACOM aneurysm coil.  No acute intracranial pathology.

Low lying cerebellar tonsils 3-4 mm inferior to the foramen magnum bilaterally. Unchanged in comparison to multiple previous studies.

Case Discussion

A case of low lying cerebellar tonsils, a subtype of cerebellar tonsillar ectopia. Unlikely of clinical significance in this patient's acute presentation.

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Case information

rID: 58440
Published: 19th Feb 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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