16th September 2020

A 46-year-old male presented to ENT clinic with 7 weeks of episodic unilateral tinnitus

A 46-year-old male presented to ENT clinic with 7 weeks of episodic unilateral tinnitus, aural fullness, hearing loss and unprovoked vertigo. She described no previous viral illness. Physical examination revealed no neurological findings except right-sided hearing loss. Otoscopy of both ears revealed no abnormalities. Pure tone audiometry is conducted, which showed a picture of right-sided sensorineural hearing loss. MRI brain with gadolinium contrast is then conducted, which reveals no abnormalities. At this stage, what is the most appropriate diagnosis to be considered?

Select the SINGLE most appropriate option from the list below. Select ONE option only.