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Neurovascular conflict in the CPA cistern

Case contributed by Dr Roberto Schubert


Right tinnitus, non-directional vertigo.

Patient Data

Age: 40 years
Gender: Male

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

A vascular coil originating from the anterior inferior cerebellar artery (AICA) can be seen indenting the cranial nerves entering the right internal auditory canal.

Case Discussion

AICA loops in the cerebello-pontine cistern have been accused of causing auditory and vestibular symptoms 1, as well as hemifacial spasm 2 resulting from compression of the VII and VIII cranial nerves.

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Case information

rID: 14703
Published: 23rd Aug 2011
Last edited: 28th May 2020
Inclusion in quiz mode: Included

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