Superior Semicircular Canal Dehiscence : Covering Defects in Understanding from Clinical to Radiologic Evaluation

Clin Neuroradiol. 2021 Dec;31(4):933-941. doi: 10.1007/s00062-021-01037-x. Epub 2021 Jun 7.

Abstract

Superior semicircular canal dehiscence alters the normal fluid mechanics of the vestibulocochlear system and can be a debilitating condition. This article reviews the current understanding of the bony labyrinthine defect, including symptoms, etiology, surgical approach, as well as preoperative and postoperative imaging pearls.

Keywords: Mastoid air cells; Post-operative; Surgical techniques; Tullio Phenomenon; Vertigo.

Publication types

  • Review

MeSH terms

  • Humans
  • Semicircular Canal Dehiscence*
  • Semicircular Canals / diagnostic imaging
  • Semicircular Canals / surgery
  • Vertigo