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Temporal bone CT in superior semicircular canal dehiscence (frontal view)

Temporal bone CT scan in a 59-year-old Moroccan man with bilateral posterior and right superior semicircular canal dehiscence. This frontal view shows the dehiscence of the right superior semicircular canal (A) and no bone defect of the left superior semicircular canal (B). (From: Andaloussi TB, Bouqes M, Ouattassi N, et al. Diagnosis and management of bilateral and multiple semicircular canal dehiscence: a case report. Pan Afr Med J 2025;51:12. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)

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Associated Disorders

  • Meniere syndrome
  • Perilymph fistula
  • Syphilitic labyrinthitis