ArticleAnatomical record (Hoboken, N.J. : 2007)2019
Variations in the Size and Shape of Human Cochlear Malformation Types.
Article in Anatomical record (Hoboken, N.J. : 2007), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 26 citations in OpenAlex.
- Cochlear duct length variability in prelingual sensorineural hearing loss: Emphasis on Waardenburg syndrome and implications for cochlear implantation.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 · 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
- Inner Ear Malformations with Transitional Forms between Cochlear Hypoplasia and Common Cavity: Embryological Insights, Imaging Characteristics, and Cochlear Implantation Strategies.Journal of otology · 2026Article
- Predictive Value of 3D Radiological Segmentation and Anatomical Parameters for Cochlear Implantation Electrode Insertion Depth Based on a Large Sample of Patients with Inner Ear Malformations.Journal of otology · 2025Article
- Investigating Additional Cochlear Parameters: A follow-up systematic review and meta-analysis.Journal of otology · 2024Review
- The effect of cochlear size on electrically evoked auditory brainstem responses in deaf children.Laryngoscope investigative otolaryngology · 2023Article
- The Cochlear Size Variations in Incomplete Partitions with Multiplanar Images on Pediatric Temporal Bone CT.Sisli Etfal Hastanesi tip bulteni · 2023Article
- Scala vestibuli cochlear implant supported by 3D modeling of the inner ear.Wiener klinische Wochenschrift · 2022Article
- A novel cochlear measurement that predicts inner-ear malformation.Scientific reports · 2021Article
- Automatic segmentation of inner ear on CT-scan using auto-context convolutional neural network.Scientific reports · 2021Article
- The rationale for FLEX (cochlear implant) electrode with varying array lengths.World journal of otorhinolaryngology - head and neck surgery · 2021Review
- New Classification of Cochlear Hypoplasia Type Malformation: Relevance in Cochlear Implantation.The journal of international advanced otology · 2020Article
- Prevalence & features of inner ear malformations among children with congenital sensorineural hearing loss: A Public Cochlear Implant Centre Experience.Pakistan journal of medical sciencesArticle
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Authors and funding
1 author at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The objective of this study is to determine the variations in size and shape of the most widely recognized cochlear malformation types using three-dimensional (3D) visualization. Using 3D slicer freeware, the complete inner-ear structures were segmented from 46 anonymized high-resolution computed tomography (HRCT) image datasets. Cochlear height, internal auditory canal height, and width were measured from the axial plane. Cochlear basal turn diameter was measured from the oblique coronal plane. Number of cochlear turns was measured from the 3D images and the corresponding cochlear duct length (CDL) was estimated using the CDL equations given in Alexiades et al. [Otol Neurotol 36 (2015) 904-907]. Out of 46 preoperative HRCT image datasets of human temporal bone, cochlear anatomy types including normal anatomy (4), enlarged vestibular aqueduct syndrome (3), cochlear aplasia (2), incomplete partition Types I (8), II (Mondini's deformity) (3), and III (X-linked) (4), cochlear hypoplasia (CH) (17), and common cavity (CC) (5) were identified. Majority of CH cases had cochlear height shorter than 4 mm whereas the CC cases measured cochlear height above 6 mm. For all the other malformation types, cochlear height was between 4 and 6 mm. In terms of "A" value, majority of CH cases showed shorter "A" value of <7.5 mm, which is in the lower end in comparison to the rest of the malformation types reported in this study. 3D-visualization shows the size and shape variations of all the structures of inner ear and also improves the clinicians' ability to visualize cochlear anatomy and nearby structures much easier than from the 2D image slices. Anat Rec, 302:1792-1799, 2019. © 2019 The Author. The Anatomical Record published by Wiley Periodicals, Inc. on behalf of American Association for Anatomy.
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