ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2022
Dehiscence or thinning of bone overlying the superior semicircular canal in idiopathic intracranial hypertension.
Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 16 citations in OpenAlex.
- Surgical Technique for Repair of Tegmen Dehiscence with Encephalocele: A Retrospective Study.Journal of neurological surgery. Part B, Skull base · 2025Article
- Vestibular Aqueduct Hypoplasia Identifies Semicircular Canal Dehiscence Patients Who Progress to Meniere's Disease.Otology & neurotology open · 2025Article
- Spontaneous SSCD Auto-Plugging: Clinical, Electrophysiological and Radiological Evidence.Journal of clinical medicine · 2025Article
- Tegmen dehiscence precipitated by barotrauma in idiopathic intracranial hypertension.Radiology case reports · 2025Article
- Predictors of non-primary auditory and vestibular symptom persistence following surgical repair of superior canal dehiscence syndrome.Frontiers in neurology · 2024Article
- Intracranial pressure, lateral sinus patency, and jugular ultrasound hemodynamics in patients with venous pulsatile tinnitus.Frontiers in neurology · 2022Article
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Authors and funding
11 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
STUDY
designRetrospective cohort.
objectivesThe objective of the study is to evaluate a relationship between idiopathic intracranial hypertension (IIH) and superior semicircular canal dehiscence (SSCD) of bone overlying the superior semicircular canal (SSC). MATERIALS AND
methodsA total of 57 (114 ears) individuals, 20 of whom were controls and 37 of whom were IIH, were included in the study. Individuals were evaluated with 0.8 mm slice thickness computed tomography (CT) images for SSC bony roof thickness and SSCD. Thickness of the bony roof over the SSC was graded from Grade 1 to Grade 4. Grade 3 was defined as pre-dehiscence and Grade 4 as dehiscence.
resultsBony roof thickness was 1.25 mm in the control group and 0.76 mm in the IIH group. When bony roof thickness was compared between the groups, it was found to be significantly thinner in the IIH group (p = 0.012). In the IIH group, while dehiscence was detected in 25 of 74 ears, no dehiscence was detected in 49 ears. In the control group, while dehiscence was detected in 5 ears, no dehiscence was detected in 35 ears. The difference is statistically significant (p = 0.015). The correlation between bony roof thickness and cerebrospinal fluid (CSF) pressure in the IIH group was not statistically significant (p = 0.343; rho = 0.110). The correlation between bony roof thickness and age in the IIH group was not statistically significant (p = 0.082; rho = - 0.164).
conclusionIncreased CSF pressure in patients with IIH may cause chronic, progressive, and irreversible damage to the bone of the SSC and, according to our study, the rate of SSCD was found to be high in IIH patients.
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