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  • Title: Treatment results for congenital cholesteatoma using transcanal endoscopic ear surgery.
    Author: Jang HB, Lee JM, Kim DJ, Lee SH, Lee IW, Lee HM.
    Journal: Am J Otolaryngol; 2022; 43(5):103567. PubMed ID: 35952531.
    Abstract:
    PURPOSE: Transcanal endoscopic ear surgery for congenital cholesteatoma provides a smaller incision and better visibility than conventional surgical microscope ear surgery. We aimed to evaluate the treatment results of transcanal endoscopic ear surgery in ameliorating the recurrence and post-operative complications of pediatric congenital cholesteatoma. MATERIALS AND METHODS: A retrospective chart review was conducted on patients with congenital cholesteatoma who underwent transcanal endoscopic ear surgery at a tertiary referral medical center from January 2012 to December 2020. We categorized the patients into two groups according to the presence of remnant cholesteatoma and compared their characteristics. RESULTS: This study included 46 patients (32 males and 14 females; 46 ears). The mean age was 3.0 ± 2.6 (1-17) years. Congenital cholesteatoma was predominantly located in the anterior-superior quadrant (63.0 %), and ossicular involvement was confirmed in six cases. The mean cholesteatoma size identified by temporal bone computed tomography was 3.9 ± 2.0 (1.2-13) mm. Seven cases had remnant cholesteatoma lesions (15.2 %); four improved after revision surgery, and three were followed up without immediate further intervention. Postoperative complications (e.g., tympanic membrane perforation, retraction) were observed in 10 cases. Comparative evaluations of various characteristics after categorizing the participants into residual and non-residual lesion groups revealed no significant differences. CONCLUSIONS: Consequently, transcanal endoscopic ear surgery can be considered an effective and safe operation for treating congenital cholesteatoma in the pediatric population with no serious side effects. Further large-scale research with hearing test results should be conducted meticulously as a follow-up to this study.
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