80-year-old male disoriented for one day. Evaluate for stroke. There is no evidence of intracranial hemorrhage, mass or edema. Diffuse hypodensity in a periventricular and subcortical white matter distribution consistent with small vessel disease, age indeterminate. If there is clinical concern for acute ischemia, an MRI may be considered. Coarse hyperdensities within the tentorium represent calcifications of no current clinical significance. Focal areas of well delineated CSF attenuation within the region of the anterior left temporal lobe consistent with arachnoid cyst.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.
Suspected small vessel disease, otherwise unremarkable. If there is clinical concern for acute ischemia, an MRI may be considered.