Adenoidectomy is the surgical removal of the adenoids. Adenoids are made of tissue located in the back of the nose near the throat. They are thought to be involved in developing immunity against infections in children.

Anatomy of the Adenoids
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Adenoidectomy is usually done to remove enlarged adenoids that are causing sleep apnea due to a blockage in the nasal passage. It may also be used to treat long-term sinus infections and recurrent ear infections.