Arachnoid cyst

Case contributed by Dr G Balachandran

Presentation

Evaluation of chronic headaches.

Patient Data

Age: 50 years
Gender: Female
Modality: MRI

Well defined cyst in right middle cranial fossa. with signal intensity similar to CSF in all pulse sequences, with no perceptible wall and no internal complexities. On FLAIR the signal is reduced ruling out epidermoid. 

Case Discussion

These findings are classical of an arachnoid cyst.

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Case Information

rID: 5214
Case created: 18th Dec 2008
Last edited: 22nd Jan 2016
Inclusion in quiz mode: Included

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