Unusual regression of a sudden-onset sensorineural hearing loss in a patient with cerebellopontine angle pathology

This is a report of a patient with small internal acoustic canal pathology presenting as a sudden-onset sensorineural hearing loss. Initially the pati ent received non-specific empirical medical therapy and the sudden-onset se nsorineural hearing loss recovered rapidly. Regression of the hearing loss, despite no change in magnetic resonance imaging (MRI) findings after the m edical treatment is documented and discussed.