Dehiscence of the facial nerve was found in 27.1% of patients with cholesteatoma, with a significant difference between patients of pediatric and adult ages. A dehiscent facial nerve was more commonly seen during revision surgery and more frequent in patients older than 16 years. The site of dehiscence most frequently involved by cholesteatoma was the tympanic segment. The presence of a semicircular canal fistula increases the risk of facial nerve dehiscence. Finally, the results of preoperative CT scans are encouraging for the use of CT in predicting facial nerve dehiscence.

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Our study demonstrates the importance of the absolute number of laryngopharyngeal reflux episodes in 24 hours in the diagnosis of patients with suspected laryngopharyngeal reflux, proposing it as a new diagnostic criterion.

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