Damage to the inner ear in mastoid surgery.
D000818:Animals; D007758:Ear, Inner / Q000293:injuries*; D000882:Haplorhini; D008253:Macaca mulatta; D008416:Mastoid / Q000601:surgery*; D013525:Surgical Instruments; D013514:Surgical Procedures, Operative / Q000009:adverse effects*; D013701:Temporal Bone / Q000601:surgery