Compressive arachnoid cyst - middle cranial fossa

Case contributed by Dr Ammar Haouimi



Patient Data

Age: 25 years
Gender: Female

There is a large extra-axial cystic lesion of CSF signal on all sequences is noted in the left middle cerebral fossa, extending to the fronto-insular region with thinning of the inner table of the skull, compressing the temporal, and frontal lobes with a mass effect on the midline structures.

Case Discussion

MRI features of a large arachnoid cyst type III according to Galassi classification of middle cranial fossa arachnoid cysts.

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Case information

rID: 69801
Published: 22nd Jul 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria

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