Abstract
IntroductionSuperior semicircular canal dehiscence represents a manageable cause of sound and pressure induced vertigo. This case highlights its presentation and investigation, including a review of the literature, and the authors' surgical technique used in its successful treatment.Case presentationA 45-year-old Caucasian man presented with vertigo induced by sound or pressure. Subsequent investigation revealed dehiscence of the superior semicircular canal and the patient underwent a surgical repair.ConclusionSurgery to repair or resurface the dehiscence represents an effective treatment modality, offering a resolution of symptoms with no detrimental effect on hearing or long-term sequelae. A five-layer composite repair consisting of temporalis fascia – bone pate – conchal cartilage – bone pate – temporalis fascia has been found to be safe and effective.
Highlights
Superior semicircular canal dehiscence represents a manageable cause of sound and pressure induced vertigo
A five-layer composite repair consisting of temporalis fascia – bone pate – conchal cartilage – bone pate – temporalis fascia has been found to be safe and effective
The condition of superior semicircular canal dehiscence has subsequently been the topic of numerous articles exploring the clinical presentation, investigation and management of the disorder
Summary
The authors advocate the use of a five-layer composite repair, consisting of temporalis fascia – bone pate – conchal cartilage – bone pate – temporalis fascia, via a middle fossa approach to repair or resurface symptomatic dehiscent semicircular canals. This is a safe and effective method with no side effects in the short to medium term. Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal
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