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Superior Semicircular Canal Dehiscence

Covering Defects in Understanding from Clinical to Radiologic Evaluation

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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.

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Abbreviations

BMI:

Body mass index

CISS:

Constructive interference in steady state

CT:

Computed tomography

FIESTA:

Fast imaging employing steady-state acquisition

IIH:

Idiopathic intracranial hypertension

MR:

Magnetic resonance

SSC:

Superior semicircular canal

SSCD:

Superior semicircular canal dehiscence

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Funding

No funding was obtained for this review article.

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Authors and Affiliations

  1. Department of Radiology, Mayo Clinic, 4500 San Pablo Rd S, 32224, Jacksonville, FL, USA

    Alok A. Bhatt, Erik H. Middlebrooks, Prasanna Vibhute, Vivek Gupta & Patricia A. Rhyner

  2. Department of Otolaryngology, Mayo Clinic, 4500 San Pablo Rd S, 32224, Jacksonville, FL, USA

    Larry B. Lundy

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  1. Alok A. Bhatt
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  2. Larry B. Lundy
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Corresponding author

Correspondence to Alok A. Bhatt.

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Conflict of interest

E.H. Middlebrooks has received unrelated research support from Varian Medical Systems, Inc. and Boston Scientific Corp. A.A. Bhatt, L.B. Lundy, P. Vibhute, V. Gupta and P.A. Rhyner declare that they have no competing interests.

Ethical standards

For this article no studies with human participants or animals were performed by any of the authors. All studies mentioned were in accordance with the ethical standards indicated in each case. Informed Consent: retrospective review of cases was approved by the Mayo Clinic Institutional Review Board.

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Bhatt, A.A., Lundy, L.B., Middlebrooks, E.H. et al. Superior Semicircular Canal Dehiscence. Clin Neuroradiol 31, 933–941 (2021). https://doi.org/10.1007/s00062-021-01037-x

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  • DOI: https://doi.org/10.1007/s00062-021-01037-x

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