This article discusses superior semicircular canal dehiscence syndrome. This syndrome has been identified in 1998 by Minor etal. This condition is caused due to dehiscence of bone overlying the superior semicircular canal. This causes vertigo, oscillopsia, dysequilibrium due to exposure to sound. Ultra high resolution CT scans help in identification of this condition. This dehiscence has been confirmed by surgical exploration of middle cranial fossa.
- superior semicircular canal dehiscence syndrome,
- Tullio phenomenon,
- conductive deafness,
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