Acoustic Neuroma (Schwannoma)


67 y/o with no specific complaints.

Image Findings

The T2-weighted image shows a small intermediate signal mass in the left internal auditory canal. The T1-weighted images show the mass to have marked, homogeneous enhancement.

Differential Diagnosis


The acoustic neuroma is the most common cerebellar-pontine angle mass, accounting for 60%-75% of all masses in this region.

Additional Acoustic Neuroma Cases

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Last modified April 18, 1995