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Cochlear implant extrusion secondary to keloid formation.

Michael J Loochtan, Shiayin Yang, Avinash V Mantravadi

    Cochlear Implants International
    |June 22, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Cochlear implant extrusion, a rare complication, can be caused by keloid formation. This case report details a patient experiencing extrusion due to a keloid scar, highlighting a new etiology.

    Keywords:
    Cochlear implantComplicationExtrusionKeloidOtology

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    Area of Science:

    • Otolaryngology
    • Neurosurgery
    • Plastic Surgery

    Background:

    • Cochlear implantation is a common procedure for hearing loss.
    • Extrusion is a rare but serious complication of cochlear implants.
    • Previous causes of extrusion include infection and device migration.

    Observation:

    • A 40-year-old male presented with a post-auricular soft tissue swelling and partial cochlear implant extrusion.
    • The extrusion occurred approximately 5 years after the initial cochlear implant surgery.
    • The extrusion interfered with the function of the cochlear implant.

    Findings:

    • The patient underwent surgical intervention including debridement and implant removal.
    • Pathology of the excised tissue revealed a keloid scar.
    • This represents the first reported case of cochlear implant extrusion secondary to keloid formation.

    Implications:

    • Keloid formation should be considered as a potential cause of cochlear implant extrusion.
    • This finding expands the differential diagnosis for cochlear implant complications.
    • Further research may explore the predisposition to keloid formation in patients with cochlear implants.