ArticleCureus2024
Unilateral Duplication of the Internal Auditory Canal: Stenosis and Incomplete Transverse Megacrest in a Pediatric Patient.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Based on the available literature, duplicated internal auditory canals (DIACs) represent an exceedingly rare temporal bone anomaly that can result in sensorineural hearing loss (SNHL) in the pediatric population. Often associated with a hypoplastic or aplastic cochlear nerve, DIAC poses limitations on treatment options, such as cochlear implants, for affected patients. Accurate diagnosis and optimal management necessitate a thorough assessment of inner ear structures and potential neural abnormalities with high-resolution computed tomography and magnetic resonance imaging of the temporal bones. However, diagnosis of DIACs poses a significant challenge and may be underrecognized during imaging procedures due to similarities with non-duplicated stenotic cochlear abnormalities and unfamiliar characteristics. This case report describes pertinent radiologic features of DIAC in the case of a pediatric patient who presented with SNHL during late childhood and was subsequently found to have an incomplete bony megacrest within the internal auditory canal, resulting in a unilateral DIAC.
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