Left vestibular schwannoma: dizziness and tinnitus. There is an unchanged lesion that measures up to 5 mm in the fundus of the left internal auditory canal. The right cranial nerve 7 and 8 complexes are intact. The bilateral inner ear structures, including the cochlea, vestibule, endolymphatic duct, and semicircular canals, appear unremarkable. The bilateral mastoid air cells and middle ears also appear unremarkable.
Unchanged lesion that measures up to 5 mm in the fundus of the left internal auditory canal, which likely represents a vestibular schwannoma.