When Preoperative Imaging and Audiometry Conflict: A Case of Cochlear Implantation in a Prelingually Deafened Adult

Objective: To describe a unique case of excellent audiometric outcomes for a prelingually deafened adult after cochlear implantation and to caution on the limits of magnetic resonance imaging for a diagnosis of cochlear nerve aplasia. Patient: Adult man with congenital bilateral profound sensorineural hearing loss. Intervention (s): Cochlear implantation. Main Outcome Measure(s): Audiometric testing and subjective hearing improvement. Results: Improved subjective and objective hearing after cochlear implantation. Conclusions: Consideration of cochlear implantation is reasonable for adults with long-standing hearing loss when preoperative audiometric testing is discordant with magnetic resonance imaging findings of radiographic cochlear nerve aplasia.

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