The velopharyngeal valve is a tridimensional muscular valve that is located between the oral and nasal cavities. It consists of the lateral and posterior pharyngeal walls as well as the soft palate. The role of the velopharyngeal valve is to separate the oral and nasal cavities during speech and swallowing.
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40 patients diagnosed by velopharyngeal insufficiency will go for partial adenoidectomy completely visualised by 45 degrees, 4 mm nasal endoscope. The adenoid will be removed by using microdeprider.
Timeframe: Up to 2 years