40 year-old male with history of anoxic encephalopathy. With change in neurological exam. Increased bilateral hypodensities in the area of the basal ganglia consistent with evolving profound ischemic changes. These findings correlate with signal abnormality seen on recent MRI.There is no evidence of intracranial hemorrhage.The ventricles and basal cisterns are normal in size and configuration.The calvaria and skull base are radiographically normal. Partial opacification of the sphenoid sinuses and the mastoid air cells.
1.Evolving bilateral basal ganglia ischemic changes.2.Sphenoid sinus and mastoid air cell opacification.