Superior semicircular canal dehiscence: a new cause of vertigo.

@article{Smullen1999SuperiorSC,
  title={Superior semicircular canal dehiscence: a new cause of vertigo.},
  author={Jennifer L Smullen and E C Andrist and Gerard J Gianoli},
  journal={The Journal of the Louisiana State Medical Society : official organ of the Louisiana State Medical Society},
  year={1999},
  volume={151 8},
  pages={397-400}
}
There are many known causes of vertigo, but many cases remain unexplained. Sound-induced, pressure-induced, or positional vertigo caused by bony dehiscence of the superior semicircular canal into the middle cranial fossa is a newly described etiology of vertigo. Three case studies of patients with CT evidence and surgical confirmation of bony dehiscence of the superior semicircular canal with variable presentations are described. The history, symptoms, CT findings, vestibular studies, and… CONTINUE READING

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