42 year-old female status post craniotomy with headache. Postsurgical changes from bilateral craniotomies are again seen with diffuse edema in the cerebral white matter appearing similar to the recent MRI. Expected pneumocephalus is seen in the right parietal region. Ring of hyperdensity in the left frontal lobe with small amount of adjacent blood products likely corresponds to left frontal lobe mass seen on prior MRI.The ventricles and basal cisterns are normal in size and configuration. The visualized paranasal sinuses and mastoid air cells are normally pneumatized.
Postsurgical changes and diffuse edema in cerebral white matter as above