Petroclival meningioma

Case contributed by Dr Bahman Rasuli

Presentation

55 year old female presented with hearing loss and vertigo.

Patient Data

Age: 55
Gender: Female
MRI

There is a large extra axial avid enhancing mass lesion is present at left cerebellopontine angle and petrous apex. Extension of the mass into the Meckel's cave and the posterior cavernous sinus is seen. Extension into the left internal auditory canal (IAC) via the porus acousticus also is seen. Invasion into the Eustachian tube causes to fluid signal within the mastoid air cells.

The IAC is not dilated. Mass effect is seen on the middle cerebellar peduncle, pons and 4th ventricle.  

Evidence of senile atrophic and small vesseles ischemic changes are seen.

Case Discussion

 Petroclival meningiomas consist of only 3-10% of all posterior fossa meningiomas.

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Case information

rID: 62253
Published: 14th Aug 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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