79 year-old female with dizziness and nausea for 5 days. Evaluate for stroke. There is no evidence of intracranial hemorrhage, mass or edema. Posterior right occipital hypodensity with extension to the cortex and adjacent ventricular compensation, consistent with previous stroke. No evidence of new cortical stroke. Multiple areas of diffuse periventricular and subcortical white matter hypodensity consistent with small vessel ischemic disease. 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.
1. Small vessel ischemic disease and previous old stroke without evidence of new cortical stroke.2. If there is clinical concern for acute ischemia, an MRI may be considered. 