You searched for: “acoustic neuromas
acoustic neuroma (s) (noun), acoustic neuromas (pl)
A rare, benign tumor that comes from supporting cells which surround the eighth cranial or auditory nerve: "Acoustic neuroma usually exists within the internal auditory meatus which is the canal in the skull though which the nerve emerges into the inner ear."

"The symptoms of acoustic neuroma can cause deafness, tinnitus (noises in the ears), loss of balance, and pain in the affected ears."