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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
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.