56-year-old male with history AV malformation, seizure disorder who presents with altered mental status. There is no evidence of intracranial hemorrhage, mass or edema. Vascular calcifications are noted. The region of encephalomalacia within the posterior temporal occipital region with high density clip/coils presumably from the prior AVM repair. No evidence of hemorrhage. Multiple patchy low low attenuation is nonspecific and likely represents small vessel disease, age determinate. If there is clinical concern for acute ischemia an MRI may be considered.The ventricles and basal cisterns are normal in size and configuration.The calvaria and skull base are radiographically normal. The visualized paranasal sinuses and mastoid air cells are normally pneumatized.
Chronic changes as described above. If there is clinical concern for acute ischemia, an MRI may be considered.