ISSN: 2161-119X

Otolaryngology: Open Access
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  • Case Report   
  • Otolaryngol (Sunnyvale) 2019, Vol 9(1): 359
  • DOI: 10.4172/2161-119X.1000359

Case Study: An Uncommon Case of Bilateral Superior Semicircular Canal Dehiscence Associated with Sudden Sensoryneural Hearing Loss

Gabriela Cornelia Musat1*, Alina Georgiana Anghel2 and Ovidiu Musat3
1Department of Otolaryngology, Carol Davila University of Medicine and Pharmacy, Saint Mary Clinical Hospital, Bucharest, Romania
2Saint Mary Clinical Hospital, Bucharest, Romania
3Carol Davila Central Emergency Military Hospital,, Bucharest, Romania
*Corresponding Author : Gabriela Cornelia Musat, Department of Otolaryngology, Carol Davila University of Medicine and Pharmacy, Saint Mary Clinical Hospital, Bucharest, Romania, Tel: 0040722505636, Fax: 0040212223538, Email: gabriela.musat@umfcd.ro

Received Date: Dec 02, 2018 / Accepted Date: Dec 28, 2018 / Published Date: Jan 04, 2019

Abstract

Superior Canal Dehiscence (SCD) is a rare condition described for the first time by Minor in 1998. Bilateral superior canal dehiscence is even less frequent (0.6% of all SCD).

We present the case of a patient with bilateral superior canal dehiscence associated with sudden sensorineural hearing loss on one ear. The diagnosis of SCD was based on the symptoms of the patient (intolerance to loud noises, disequilibrium, hearing loss), based on the CT scan that revealed the bilateral dehiscence and based on the audiogram and the VEMP (Vestibular Evoked Myogenic Potential) testing with low cVEMP threshold bilaterally. All the data gathered were consistent with the diagnosis we made.

The particularity of the case consists in the fact that although the patient diagnosis was made according to all diagnostic criteria available and the CT scan and VEMP testing showed bilateral dehiscence, the symptoms were installed acutely and were evident only for one ear. In our opinion this can be explained by the fact that the patient had a more extended dehiscence in the left ear and also suffered a concomitant Sudden Sensorineural Hearing Loss (SSHL) that required additional testing making possible the correct diagnosis of the condition.

Keywords: Superior Canal Dehiscence (SCD); Vestibular Evoked Myogenic Potentials (VEMP); Sudden Sensorineural Hearing Loss (SSHL)

Citation: Musat GC, Anghel AG, Musat O (2019) Case Study: An Uncommon Case of Bilateral Superior Semicircular Canal Dehiscence Associated with Sudden Sensoryneural Hearing Loss. Otolaryngol (Sunnyvale) 9:359. Doi: 10.4172/2161-119X.1000359

Copyright: © 2019 Musat GC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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