Arachnoid cyst

Case contributed by Dr Varun Babu



Patient Data

Age: 15 years
Gender: Male

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


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. 

PlayAdd to Share

Case information

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

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.