Left sensorineural hearing loss and tinnitus. Also confused status post ECT. The bilateral cranial nerve 7 and 8 complexes are intact. There is no evidence of mass lesions. The 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. There is a punctate focus of restricted diffusion in the left hippocampus. There are also punctate left hippocampal remnant cysts. There is also mild nonspecific periventricular white matter T2 hyperintensity. The brain otherwise appears unremarkable.
1. No evidence of retrocochlear lesions.2. A punctate focus of restricted diffusion in the left hippocampus may represent global transient amnesia. 