Meningioma: cavernous sinus

Case contributed by Assoc Prof Frank Gaillard



Patient Data

Age: 55 years

A large vividly enhancing extra-axial mass centered on the right cavernous sinus is present, narrowing but not occluding the right internal cerebral artery. It extends posteriorly along the tentorium and into the posterior fossa and Meckel's cave. It is consistent with a meningioma. 

Case Discussion

The patient went on to have surgery.


MICROSCOPIC DESCRIPTION: Paraffin sections show a moderately hypercellular meningioma. This has a mixed syncytial/fibroblastic architecture. Tumor cells show mild nuclear and cellular pleomorphism. No mitotic figures or areas of necrosis are identified and there is no evidence of brain invasion. Broad dural attachment is noted.

FINAL DIAGNOSIS: Meningioma (WHO Grade I)

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Case information

rID: 46330
Published: 9th Jul 2016
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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