Arachnoid cyst

Case contributed by Dr Varun Babu

Presentation

Headache

Patient Data

Age: 15 years
Gender: Male
MRI

Extra axial CSF signal intensity lesion seen in anteromedial aspect of floor of left middle cranial fossa floor with no significant pressure signs. 

MRI

Zoomed T2 weighted images depicting the arachnoid cyst. 

Case Discussion

This is a type 1 Arachnoid cyst. Generally asymptomatic and is an incidental imaging finding. Refer to the Galassi classification of middle cranial fossa arachnoid cysts for stratification. 

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Case information

rID: 74782
Published: 5th Mar 2020
Last edited: 5th Mar 2020
Inclusion in quiz mode: Included
Institution: Exir Medical Subspecialties Centre

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