Adenoids

　　Normal adenoid

　　Adenoid hypertrophy:

　　Resection of adenoids

　　Adenoids, also known as pharyngeal tonsils, adenoids is located at the junction between the top wall of nasopharynx and the posterior wall. It is close to the pharyngeal mouth of the eustachian tube on both sides, and its surface is rugged and similar to the orange slice. It is an important gland that constitutes the pharyngeal lymphoid ring.

　　Adenoid hypertrophy is one of the most common causes of OSAHS in children. Hypertrophy occurring in both children and adults patients can lead to difficulty in breathing. Its harm is particularly evident in children.