Acoustic neuroma

Case contributed by Dr Javier Sanchez

Presentation

Loss of hearing and dizziness recently

Patient Data

Age: 20 years
Gender: Female

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

MRI

Brain (selected images)

There is a complex mass based within the right cerebellar-pontine angle, with widening of the right internal auditory canal, involvement of both cochlear and vestibular branches of CN VIII.
Coronal T2 fat sat image nicely depicts mass about right CN VIII sheath.
The mass exhibits intense heterogeneous enhancement post gadolinium.

Incidental arachnoid granulation in the right transverse sinus.

Case Discussion

An acoustic neuroma (also known as a vestibular schwannoma) its a benign tumor originating from the nerve sheath of cranial nerve VIII, which may affect both the cochlear and vestibular branches, with auditory and equilibrium implications.

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