What question did this study set out to answer?

To compare the efficacy and outcomes of microscopic and transcanal endoscopic surgery for external auditory canal cholesteatoma.

Comparison of microscopic and transcanal endoscopic ear surgery for Naim stage I–III external auditory canal cholesteatoma

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Retrospective analysis compares safety and efficacy of endoscopic and microscopic techniques for cholesteatoma treatment in Naim stage I–III cases.

To compare the efficacy and outcomes of microscopic and transcanal endoscopic surgery for external auditory canal cholesteatoma.
Retrospective analysis of patients diagnosed with Naim stage I–III external auditory canal cholesteatoma from November 2015 to November 2025.
Comparison of clinical characteristics between patients undergoing transcanal endoscopic ear surgery (TEES) and microscopic ear surgery (MES).
TEES showed a mean operative time of 46.45 minutes compared to 65.24 minutes for MES (p < 0.05).
The time to complete epithelialization for TEES was 28.3 days versus 45.8 days for MES (p < 0.05).
TEES reported no postoperative recurrence or complications, while MES had recurrence (4.4%) and EAC stenosis/atresia (2.2%) incidents.

Yuan et al. (2026) studied this question.

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Retrospective analysis compares safety and efficacy of endoscopic and microscopic techniques for cholesteatoma treatment in Naim stage I–III cases.