Neurovascular conflict in the CPA cistern

Case contributed by Dr Roberto Schubert

Presentation

Right tinnitus, non-directional vertigo.

Patient Data

Age: 40
Gender: Male

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 symptoms1, as well as hemifacial spasm2 resulting from compression of the VIIth and VIIIth cranial nerves.

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Case information

rID: 14703
Case created: 23rd Aug 2011
Last edited: 15th Oct 2015
Inclusion in quiz mode: Included

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