Left vestibular schwannoma resection. Internal Auditory Canal: There has been interval evolution of postoperative findings related to left translabyrinthine surgery with fat graft in the mastoid bowl. There is a heterogeneously enhancing, well-defined, extra-axial mass within the left cerebellopontine angle cistern and skeletonized internal auditory canal that measures 15 AP x 32 RL x 20 SI mm. There is persistent mass effect upon the adjacent left cerebellar hemisphere and pons.Brain: There is no evidence of intracranial hemorrhage or acute infarct. There is unchanged left cerebellar hemisphere encephalomalacia. The ventricles and basal cisterns are unchanged in size and configuration.
Postoperative findings related to left translabyrinthine surgery with residual vestibular schwannoma.