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Syndrome reference sheet
Generated 12 Oct 2026
ENT · ENT / Otology and neurotology Superior semicircular canal dehiscence syndrome
Also known as: SSCD
Bony dehiscence over the superior canal causing sound- and pressure-induced vertigo.
- Medical specialty
- ENT
- Subspecialty
- ENT / Otology and neurotology
- Sex & age distribution
- Male: affected; Female: affected; Children: rare
- Gene(s) involved
- None recorded
Etiology & mechanism
Third window effect.
Gene(s) involved (0)
No gene recorded.
Symptoms & signs (5)
autophonyhearing sensitivityoscillopsiatullio phenomenonvertigo