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Meningioma - petrous apex

Case contributed by Assoc Prof Frank Gaillard


Vertigo and sensorineural hearing loss.

Patient Data

Age: 60 years
Gender: Female

An extra-axial right petrous apex vividly enhancing mass is present extending into the internal acoustic meatus and Meckel's cave. Features are those of a meningioma. 

Case Discussion

The patient went on to have surgery.


Sections show an intensely vascular tumor composed of whorled meningothelial cells. The tumor cells demonstrate indistinct cell borders, abundant pale eosinophilic cytoplasm, oval nuclei with fine granular chromatin and focal intranuclear inclusions. No necrosis or mitoses are identified. No brain tissue is included. 

DIAGNOSIS: Meningothelial meningioma, WHO Grade I.


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Case information

rID: 33238
Published: 5th Jun 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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