Adenoids are lymphatic tissues located at the junction of the parietal and posterior walls of the nasopharynx and between the two sides of the pharyngeal crypt, also known as pharyngeal tonsils and proliferative bodies, which exist at birth and are most prominent by the age of 6 to 7, and gradually shrink after the age of 10, so diseases caused by adenoids mostly occur in children. Adenoid hypertrophy is the pathological hyperplasia of adenoids in children due to the repeated stimulation of inflammation, causing nasal congestion and open-mouth breathing symptoms, which are aggravated at night, resulting in snoring and sleep disturbance during sleep, and children often turn over from time to time, which is more obvious when lying on their backs, and apnea can occur in severe cases. Snoring in children is not “fun” The diagnosis of adenoid hypertrophy is not difficult. Due to the long-term open mouth breathing, the child’s jaw and facial bones are dysplastic, with thick lips and lack of expression, which is called “adenoid face”. The doctor can see secretions from the nasopharynx on the posterior wall of the pharynx through the mouth, often accompanied by enlarged palatine tonsils. Rhinoscopy, nasopharyngoscopy, and palpation of the nasopharynx will reveal the problem. Children who are too young to cooperate with endoscopy may be assisted in diagnosis by imaging. Causes of adenoid hypertrophy in children Children are prone to acute rhinitis, acute tonsillitis and influenza, etc. If there are repeated attacks, the adenoids can rapidly proliferate and hypertrophy, aggravating nasal obstruction and impeding nasal drainage, and rhinosinusitis secretions stimulate the adenoids to continue to proliferate, forming a vicious circle of mutual causation, often in combination with chronic tonsillitis. Adenoidectomy does not affect immunity Many parents worry that their children will not have immunity after adenoids are removed! In fact, the adenoids, bilateral palatine tonsils and lingual tonsils form a lymphatic ring. If the adenoids are inflamed for a long time and lead to otitis media and sinusitis, they become a focal tissue that needs to be removed for examination and evaluation. Treatment of adenoid hypertrophy Conservative treatment of adenoid hypertrophy: prevention of colds and flu, strengthening of the body, local nasal spray, and the addition of drugs to promote drainage and dilute mucus. Surgical removal of the enlarged adenoids: First of all, adenoidectomy has become a routine procedure for the treatment of secretory otitis media. The surgery is performed under general anesthesia. The endoscopic plasma adenoidectomy under general anesthesia carried out by the Department of Otolaryngology-Head and Neck Surgery of the Fourth Central Hospital of Tianjin, compared with the traditional procedure, operates under direct endoscopic vision to avoid damage to adjacent tissues, better protects the round pillow of the eustachian tube and the pharyngeal orifice tissues, and removes them completely, reducing postoperative re-proliferation and related complications. Secondly, endoscopy combined with low-temperature plasma radiofrequency ablation technology can better play the role of hemostasis and reduce local damage. Furthermore, the endoscopic surgery under general anesthesia fully relieves the fear of the child and reduces the psychological trauma to the child. The risk of surgery is small, the hemostatic effect is good, the intraoperative bleeding is small or even no bleeding, the trauma is small, the local tissue edema is reduced, and the postoperative pain of the child is reduced.