Vestibular schwannoma

Case contributed by Bita Abbasi
Diagnosis almost certain

Presentation

Progressive headache.

Patient Data

Age: 45 years
Gender: Female
mri
This study is a stack
Axial
T2
Axial
T1 C+
Coronal
T1
Coronal
T1 C+
Sagittal
T1 C+
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Info

There is a large heterogenous extra axial mass in the right CP angle which is hyperintensity in T2WI and isointensity to gray matter in T1WI. The mass demonstrates heterogenous avid and displaces and compressed the pons, midbrain and fourth ventricle. 

Continuation of the tumor with the vestibular nerve is apparent in axial and coronal post contrast images.

Incidental finding of a partial empty sella.

Case Discussion

The nature of the lesion was pathologically confirmed to be an acoustic schwannoma.

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