Right-sided acoustic neuroma, status post resection: yearly surveillance. Internal Auditory Canals: There are postoperative findings related to right retrosigmoid craniotomy, with mild right cerebellar hemisphere encephalomalacia. There is persistent enhancing tissue within the right internal auditory canal, with adjacent dural enhancement. The right inner ear structures are unremarkable. The left internal auditory canal and inner ear structures are unremarkable.Brain: There is no evidence of acute intracranial hemorrhage or acute infarct. There is minimal nonspecific scattered cerebral white matter T2 hyperintensity. The ventricles and basal cisterns are unchanged in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits are grossly unremarkable. There is mucosal thickening and secretions in the right maxillary sinus.
1. Postoperative findings related to right vestibular schwannoma resection, without significant change in the appearance of the surgical bed.2. Findings suggestive of acute right maxillary sinusitis.