10-year-old male with sickle cell disease, ACS now with history of seizures and mental status change. There is no evidence of intracranial hemorrhage. Diffuse area of low density seen within the posterior aspect of the right temporal lobe and correlates with subacute ischemic changes and edema seen on brain MRI performed same day.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.
Blurring of the gray-white junction and low density seen in the posterior aspect of the right temporal lobe consistent with focal edema due to subacute ischemic process as correlated on an MRI performed same day.