Meningioma extending into internal acoustic neuroma

Case contributed by A.Prof Frank Gaillard

Left cerebellopontine angle mass, isointense T1 and slightly high FLAIR signal. Demonstrates homogeneous enhancement. The mass has an internal acoustic canal component. 

Case Discussion

Microscopic Description:

Sections show the specimen to consist of small pieces of meningioma, portions of dura, and fibrous type tissue containing numerous blood vessels. Histologic features associated with aggressive biologic behaviour are not seen.

Final diagnosis: Cerebellopontine angle, left: Meningioma.

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Case information

rID: 6033
Case created: 9th Apr 2009
Last edited: 22nd Feb 2016
Inclusion in quiz mode: Included

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