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Case Reports
. 2014 Apr;18(2):210-2.
doi: 10.1055/s-0033-1351670. Epub 2013 Oct 25.

Superior Semicircular Canal Dehiscence Syndrome without Vestibular Symptoms

Emidio Oliveira Teixeira  1 , Marconi Teixeira Fonseca  1
Affiliations
Case Reports

Superior Semicircular Canal Dehiscence Syndrome without Vestibular Symptoms

Emidio Oliveira Teixeira et al. Int Arch Otorhinolaryngol. 2014 Apr.

Abstract

Introduction Superior semicircular canal dehiscence syndrome is mainly characterized by vestibular symptoms induced by intense sound stimuli or pressure changes, which occur because of dehiscence of the bony layer covering the superior semicircular canal. Case Report Here, we report a case of the syndrome with pulsatile tinnitus and ear fullness, in the absence of vestibular symptoms. Discussion Signs and symptoms of the syndrome are rarely obvious, leading to the requirement for a minimum workup to rule out or make diagnosis more probable and thus avoid misconduct.

Keywords: ear; inner; semicircular canals; tinnitus.

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Figures

Fig. 1
Fig. 1
Symmetric audiometric tracings, descending from 500 Hz.
Fig. 2
Fig. 2
Left superior semicircular canal dehiscence as seen on sagittal temporal bone computed tomography.
Fig. 3
Fig. 3
Left superior semicircular canal dehiscence as seen on coronal temporal bone computed tomography.
Fig. 4
Fig. 4
Left superior semicircular canal dehiscence as seen on axial temporal bone computed tomography.
See this image and copyright information in PMC

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References

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