ArticleAJNR. American journal of neuroradiology2018
Retrospective Review of Otic Capsule Contour and Thickness in Patients with Otosclerosis and Individuals with Normal Hearing on CT.
Article in AJNR. American journal of neuroradiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Imaging features of otosclerosis on photon counting detector CT: a retrospective case series and literature review.Neuroradiology · 2026Observational
- The State of High-Resolution Imaging of the Human Inner Ear: A Look Into the Black Box.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
- Current trends in imaging for otosclerosis and the potential role of photon-counting computed tomography.Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale · 2025Review
- Artificial Intelligence for Otosclerosis Detection: A Pilot Study.Journal of imaging informatics in medicine · 2024Article
- Comparative study of the sensitivity of ultra-high-resolution CT and high-resolution CT in the diagnosis of isolated fenestral otosclerosis.Insights into imaging · 2023Article
- Diagnostic Performance of Conebeam CT Pixel Values in Active Fenestral Otosclerosis.AJNR. American journal of neuroradiology · 2021Article
- Imaging Studies in Otosclerosis: An Up-to-date Comprehensive Review.International archives of otorhinolaryngology · 2021Article
- Measuring the cochlea and cochlear implant electrode depth.European radiology · 2021Article
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Authors and funding
6 authors.
Funding
Abstract
background and purposeOtosclerosis is commonly identified on CT as a focus of hypodensity in the otic capsule anterior to the oval window. However, otosclerosis can have a sclerotic phase approximating the density of normal bone, making diagnosis challenging. This study assesses differences in otic capsule contour and thickness anterolateral to the anterior margin of the oval window in patients with otosclerosis compared with individuals with normal hearing. MATERIALS AND
methodsAxial CT of 104 ears with clinically diagnosed otosclerosis and 108 consecutive ears of audiometrically normal individuals were retrospectively reviewed. Two radiologists independently evaluated the pattern of otosclerosis, otic capsule contour, and bone thickness on standardized axial images at the level of the oval window and cochleariform process. Measurements were made from the posterolateral margin of the cochlea to the apex of the otic capsule convex contour just anterolateral to the anterior margin of the oval window. In the absence of a convex contour, the sulcus between the oval window and the cochleariform process was identified, and measurement to the depth of the sulcus was used. Receiver operating characteristic analysis determined the best cutoff value of otic capsule thickness.
resultsMean otic capsule thickness (2 SDs) was 3.08 (0.93) mm and 1.82 (0.31) mm in patients with otosclerosis and individuals with normal hearing, respectively (
conclusionsPatients with otosclerosis have significantly thicker bone abutting the oval window than individuals with normal hearing.
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