Cerebellopontine angle meningioma

Case contributed by Dr Fakhry Mahmoud Ebouda


An adult female with persistent increasing headache long time ago.

Patient Data

Age: 60
Gender: Female

A fairly defined left C/P angle isodense mass lesion is seen. It shows homogenous enhancement in post contrast study. It is surrounded by significant low attenuation vasogenic edema. Both the mass and surrounding edema exerts mass effect in the form of compression of the 4th ventricle & compression of the nearby brain stem and vital structures. Consequent supratentroial hydrocephalus is seen with periventricular transependymal CSF permeation a type of cerebral edema .

The current CT findings are impressive of Left Crebellopontine angle extraaxial large SOL likely meningioma

Follow up postoperative intervention.

Post microsurgical decompression of huge left Cerebellopontine angle mass.

Left occipital crainectomy. The surgical bed has some little blood remnant.


After surgical excision and histopathological examination that proved to be mesothelial meningioma.


Case Discussion

The most common Cerebellopontine angle mass are: two common solid that are homogenously enhanced, meningioma and 8th cranial nerve schwannoma as well as two cysts, namely arachnoid and epidermoid.

The case is courtesy of Dr/ Nabeeh Bajunaid, Neurosurgeon Consultant, RCMC.

Thanks to prof.Dr / Mamdouh Radwan Consultant of histopathology, RCMC.


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Case information

rID: 30240
Published: 28th Jul 2014
Last edited: 9th Dec 2020
Inclusion in quiz mode: Included

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