ArticleEuropean radiology2023
A novel imaging scoring method for identifying facial canal dehiscence: an ultra-high-resolution CT study.
Article in European radiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 14 citations in OpenAlex.
- Assessment of the Oval Window-Facial Canal Corridor and Mastoid Pneumatization: A Preliminary HRCT-Based Radiological-Anatomical Framework.Diagnostics (Basel, Switzerland) · 2026Article
- Ultra-high-resolution computed tomography (CT) imaging of the lunate in Kienböck's disease: a feasibility study and preliminary observations.Quantitative imaging in medicine and surgery · 2026Article
- Intelligent segmentation and measurement based on U-HRCT to explore the anatomical characteristics of the inner ear in unilateral Meniere's disease: a retrospective quantitative study.Insights into imaging · 2026Article
- Condylar alteration in three subtypes of temporomandibular disorder based on U-HRCT: a cross-sectional study.BMC oral health · 2025Article
- Stapes footplate's posterior border protrudes the vestibule in healthy ears: anatomical insights from ultra-high-resolution CT.BMC medical imaging · 2025Article
- Spatial position changes in the semicircular canals may be the anatomical basis of Meniere's disease: a preliminary study based on ultra-high-resolution computed tomography (CT) and intelligent segmentation.Quantitative imaging in medicine and surgery · 2024Article
- Stapedotomy for Pediatric Middle Ear Anomalies With Facial Nerve Bifurcation: A Case Report.Cureus · 2024Article
- A case of cochlear-facial dehiscence revealed after bilateral cochlear implants.Radiology case reports · 2024Article
- Endoscopic Findings on Facial Nerve Anatomy During Exclusive Endoscopic Stapedotomy: Clinical Considerations and Impact on Surgical Results.The journal of international advanced otology · 2023Article
- Potential of ultra-high-resolution CT in detecting osseous changes of temporomandibular joint: experiences in temporomandibular disorders.BMC oral health · 2023Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
objectivesFacial canal dehiscence (FCD), typically found in the tympanic segment, is a risk factor for facial nerve injury. An imaging scoring method was proposed to identify FCD based on ultra-high-resolution CT.
methodsForty patients (21 females and 19 males, mean age 44.3 ± 17.4 years), whose tympanic facial canal (FC) was examined during otological surgery, were divided into the FCD group (n = 29) and the control group (n = 11) based on surgical findings. Imaging appearance of tympanic FC was scored 0-3: 0 = no evident bony covering, 1 = discontinuous bony covering with linear deficiency, 2 = discontinuous bony covering with dotted deficiency, and 3 = continuous bony covering. Both lateral and inferior walls were assigned a score as L
resultsThe inter-observer agreement was moderate for the lateral wall (Cohen's κ coefficient 0.416, 95% CI 0.193-0.639), and good for the inferior wall (Cohen's κ coefficient 0.702, 95% CI 0.516-0.888). In the FCD group, the most common appearance for both walls was discontinuous bony covering with linear deficiency (L
conclusionsUsing the proposed scoring method, FCD score < 4 could identify FCD of the tympanic segment with high concordance with surgical findings. KEY POINTS: • Imaging appearance of the tympanic facial canal (FC) is divided into four types based on ultra-high-resolution CT images. • The most common appearance of FC with facial canal dehiscence (FCD) is discontinuous bony covering with linear deficiency. • An FCD score, consisting of scores of the lateral and inferior walls, less than 4 is highly indicative of FCD.
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