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Acoustic schwannoma - probable

Case contributed by Vinay Shah
Diagnosis probable

Presentation

Giddiness. Past history of cerebrovascular stroke.

Patient Data

Age: 65 years
Gender: Male

Well defined extra axial  lesion in the right cerebello-pontine angle cistern, which extends into right internal auditory canal. Thickening of right 7th-8th nerve root complex noted. 

Mass effect over right cerebellum, pons and fourth ventricle, resulting in hydrocephalus. 

Case Discussion

This represents an extra-axial neoplasm, most likely an acoustic schwannoma.  

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