Presentation
Sometimes headache.
Patient Data
Age: 40 years
Gender: Male
From the case:
Mega cisterna magna
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There is a prominent retrocerebellar cerebrospinal fluid (CSF) containing space. Normal vermis, normal 4th ventricle, and normal cerebellar hemispheres are appreciated. The rest of the study appears unremarkable.
Case Discussion
The CT features are suggestive of mega cisterna magna.