65 year old male status post right craniotomy for tumor. Expected postsurgical changes are noted including right superior frontoparietal craniectomy, with residual pneumocephalus and edema. Few punctate areas of hyperdensity consistent with petechial hemorrhage detected within the surgical cavity. Hypodensity within the right caudate is unchanged when compared to the previous MRI and represents an old lacunar infarct.The ventricles and basal cisterns are normal in size and configuration.The calvaria demonstrate stable post surgical change and skull base is radiographically normal. The visualized paranasal sinuses and mastoid air cells are normally pneumatized.
Expected postoperative changes as described above.