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  • Title: Clinical characteristics of pediatric external auditory canal cholesteatoma.
    Author: Jang CH, Kim YY, Seong JY, Kang SH, Jung EK, Sung CM, Kim SB, Cho YB.
    Journal: Int J Pediatr Otorhinolaryngol; 2016 Aug; 87():5-10. PubMed ID: 27368435.
    Abstract:
    BACKGROUND & OBJECTIVE: External auditory canal cholesteatoma (EACC) is caused by an invasion of squamous tissue into a localized area of periosteitis in the bony canal wall. The clinical characteristics of pediatric EACC are still unknown because of its rare occurrence. To date, only a single paper has reported that pediatric EACC has a less aggressive growth pattern compared to adult EACC. Further studies are required to understand the clinical behavior of EACC, i.e., its aggressiveness. The purpose of this study was to evaluate the clinical characteristics of pediatric EACC. MATERIALS AND METHODS: The clinical records of all patients diagnosed with EACC in our department from January 1, 2012 to February 29, 2016 were retrospectively reviewed, focusing on the extension of bone erosion, symptoms, and clinical findings. RESULTS: Seven patients had primary pediatric EACC (age range, 5-17 years). All patients showed unilateral EACC. Otalgia and intermittent otorrhea were common symptoms. Bacterial cultures were performed for four patients with otorrhea, which was controlled by diluted vinegar irrigation with a topical antibiotic solution. The most common bone destruction sites were the inferior and posterior walls. All patients required surgical treatment. Four patients (patient nos. 1, 3, 4, and 5) were treated via a postauricular transcanal approach. Three patients (patient nos. 2, 6, and 7) required mastoidectomy. CONCLUSION: Pediatric EACC is not less aggressive than adult EACC. Therefore, early diagnosis and adequate treatment are necessary. Further studies are required to elucidate the clinical features of pediatric spontaneous EACC.
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