Tullio’s phenomenon: Sound-induced vestibular symptoms such as vertigo, nystagmus, oscillopsia, and postural imbalance .
Tullio’s phenomenon is seen mainly in these 5 conditions:
- Superior canal dehiscence,
- Meniere’s syndrome,
- other causes of perilymph fistula,
- post fenestration surgery (for otosclerosis).
The most common cause at this writing is superior canal dehiscence. Meniere’s syndrome is the second.