Arachnoid cyst - cerebellopontine angle

Case contributed by Dr Ian Bickle


MRI suggested following a cervical spine MRI to assess the cerebellar tonsils.

Patient Data

Age: 25 years
Gender: Female

2.3 cm cystic lesion at the right cerebellopontine angle following CSF signal on all sequences.

No solid elements. No mass effect on the pons.

The remainder of the intracranial appearances are normal.

Case Discussion

Arachnoid cysts are a not infrequent incidental observation on brain imaging. 

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Case information

rID: 76420
Published: 25th Apr 2020
Last edited: 25th Apr 2020
Inclusion in quiz mode: Included

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