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Updated: Jul 1, 2026

Performing Intracochlear Electrocochleography During Cochlear Implantation
Published on: March 8, 2022
Cochlear implant infection due to cholesteatoma
1Department of Orthopaedics, The Royal National Orthopaedic Hospital, Stanmore, Middlesex, London HA7 4LP, UK. rajiv_kaila@yahoo.co.uk
Insights
Cholesteatoma, a rare complication of cochlear implantation in children, can lead to late abscess formation. Early detection and surgical intervention are crucial for managing this condition in pediatric cochlear implant recipients.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Neurosurgery
Background:
- Cochlear implantation rates are rising in pediatric populations.
- Cholesteatoma is a rare but serious long-term complication following cochlear implantation.
- Late abscess formation within the cochlear implant pocket is an unusual presentation.
Purpose of the Study:
- To report the unique case of late cholesteatoma with abscess formation in a pediatric cochlear implant recipient.
- To highlight the potential iatrogenic nature of cholesteatoma post-implantation.
- To emphasize the importance of vigilant long-term follow-up.
Main Methods:
- Case report of a pediatric patient with late cholesteatoma and abscess.
- Description of a two-stage surgical treatment: explantation, debridement, antibiotic bead insertion, cholesteatoma excision, and modified radical mastoidectomy.
- Removal of the intra-cochlear electrode, precluding reimplantation.
Main Results:
- Successful surgical management of the cholesteatoma and abscess.
- The intra-cochlear electrode had to be removed, preventing reimplantation.
- The case illustrates cholesteatoma as a potential iatrogenic complication.
Conclusions:
- Late presentation of cholesteatoma with abscess formation necessitates high suspicion in patients with persistent otorrhoea.
- Regular, long-term otoscopic review by experienced otologists is vital for cochlear implant patients.
- Avoiding damage to the bony external auditory canal during implantation is critical to prevent iatrogenic cholesteatoma.
Abstract:
There are an increasing number of young children undergoing cochlear implantation. Cholesteatoma is a serious, although rare, long-term complication. We present the only documented case in which cholesteatoma has presented with late abscess formation in the bed of a cochlear implant package of a child. Cholesteatoma may be an iatrogenic complication of implantation surgery. Damage to the bony part of the external auditory canal should be avoided. The successful two-staged surgical treatment using explantation, debridement, gentamycin bead insertion, cholesteatoma excision and modified radical mastoidectomy is described. The intra-cochlear electrode was removed precluding cochlear implant reimplantation. This late presentation supports regular long-term otoscopic review of cochlear implant patients by experienced otologists. Suspicion should be raised in patients with persistent otorrhoea.
