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Updated: Jul 15, 2026

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Robot-Assisted Transcanal Endoscopic Ear Surgery for Congenital Cholesteatoma
Published on: December 15, 2023
Cholesteatoma in the normal hearing ear.
Eric E Smouha1, Javanshir Javidfar
1Department of Otolaryngology, Mount Sinai School of Medicine, New York, New York 10029-6574, USA. eric.smouha@mountsinai.org
The Laryngoscope
|May 3, 2007
Summary
Preventing cholesteatoma recurrence is key for hearing preservation in normal-hearing ears. Surgical strategies should prioritize disease eradication, as intact ossicular chains do not significantly impact hearing outcomes.
Area of Science:
- Otolaryngology
- Neurosurgery
- Audiology
Background:
- Cholesteatoma surgery in normal-hearing ears presents a challenge, balancing complete disease removal with hearing preservation.
- Sacrificing the ossicular chain may be necessary for complete cholesteatoma excision, potentially impacting hearing outcomes.
Purpose of the Study:
- To identify predictive factors and surgical strategies for preserving hearing in patients with cholesteatoma and normal or near-normal hearing.
- To evaluate the impact of ossicular chain status and mastoidectomy type on hearing outcomes.
Main Methods:
- Retrospective case review of 50 patients undergoing 54 cholesteatoma removal procedures.
- Analysis of audiometric data (pure-tone average - PTA) for patients with preoperative PTA < 25 dB.
- Assessment of ossicular chain status, surgical techniques (ossicular reconstruction, mastoidectomy type), and recurrence rates.
Main Results:
- Median PTA shift was -3 dB, with 72% of patients preserving hearing within 10 dB of preoperative levels.
- Hearing outcomes were similar regardless of intact vs. reconstructed ossicular chains or open vs. closed mastoidectomies.
- Recidivism rate was 26%, with recurrent cases showing worse hearing outcomes. Congenital and Prussak space cholesteatomas had better hearing preservation and lower recurrence rates.
Conclusions:
- Cholesteatoma treatment in normal-hearing ears should prioritize complete disease eradication.
- Preventing cholesteatoma recurrence significantly improves hearing preservation.
- Preserving an intact ossicular chain or canal wall is not essential for favorable hearing outcomes.
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