Presentation
Chronic headaches.
Patient Data
Age: 60 years
Gender: Female
From the case:
Aberrant arachnoid granulations
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There are numerous small well-defined lytic areas within the calvarium at the occipital region, adjacent to the lateral, and straight sinuses of CSF signal intensity on all sequences.
Case Discussion
MRI features of well-defined occipital lesions of CSF signal intensity protruding into the adjacent calvarium most consistent of aberrant arachnoid granulations. These are a common incidental finding.
Additional contributor: A. Ramdani, MD.
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