46 year old man. Evaluate for bleed. Headache. There is no evidence of intracranial hemorrhage, mass or edema. Cerebellar volume loss is once again noted and is unchanged from the prior CT. The asymmetry of the cerebellar peduncles noted on the prior MRI is not clearly visible on this study.The ventricles and basal cisterns are normal in size and configuration.The calvaria and skull base are radiographically normal. Scattered mucosal thickening and opacification is present throughout the ethmoid air cells -- this finding was also seen on the patient's prior CT.
No CT evidence of acute intracranial process.