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- W2330726931 abstract "The objective of this study is to describe the presentation and management of a rare site of cholesteatoma recurrence at the bony-cartilaginous junction after intact canal wall (ICW) mastoidectomy.Retrospective case seriesTertiary referral centerPatients with cholesteatoma formation arising from the bony-cartilaginous (BC) junction of the external auditory canal (EAC) requiring surgical intervention were retrospectively identified across a 5-year period.All patients were treated surgically to eradicate the disease and reconstruct the bony defect when possible.This observational study details the presentation, risk factors, and management of a rare site of cholesteatoma recurrence after ICW mastoidectomy.After ICW mastoidectomy, eight patients were identified with fistulae in the lateral EAC near the BC junction. Seven patients had associated iatrogenic cholesteatomas arising at this site, and one patient had a dry fistula with bony stenosis of the EAC. All patients had a history of chronic otitis media and previous surgery. Patients averaged 9 years between surgery and recidivism. Reconstruction of the bony defect was completed using hydroxyapatite reconstruction plates in four patients with 75% success, soft wall reconstruction in two patients using temporalis muscle, and canal wall down mastoidectomy in two patients who had extensive disease and exposed dura. No recurrent disease was evident during an average follow-up of 16 months. EAC reconstruction was successful in 83% of cases.This case series reports a novel pattern of iatrogenic cholesteatoma formation near the BC junction of the EAC that can occur years after ICW mastoidectomy. In properly selected cases, this condition can be managed with revision ICW mastoidectomy and reconstruction." @default.
- W2330726931 created "2016-06-24" @default.
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- W2330726931 date "2014-09-01" @default.
- W2330726931 modified "2023-10-05" @default.
- W2330726931 title "Iatrogenic Cholesteatoma Arising at the Bony-Cartilaginous Junction of the External Auditory Canal" @default.
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- W2330726931 doi "https://doi.org/10.1097/mao.0000000000000481" @default.
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