Bilateral maxillary sinus cysts can be divided into mucus cysts, mucocutaneous cysts and postoperative cysts of three types, which have different causes, such as mucus cysts are mainly caused by sinus orifice obstruction, while mucocutaneous cysts are mainly caused by inflammation and infection or metaplasia, and the causes of postoperative cysts may be tissue burial, odontogenic and so on.
1. Mucous cysts: bilateral maxillary sinus cysts such as mucous cysts, is mainly caused by sinus mouth obstruction leading to long-term retention of mucus in the sinus caused by the majority of patients with local anatomical abnormalities.
2. Mucous membrane cysts: bilateral maxillary sinus mucous membrane cysts can also be divided into plasma cysts and mucous gland retention cysts, the cause of its pathogenesis for inflammation and infection or metamorphosis, such as sinusitis, chronic rhinitis and so on.
3. Postoperative cysts: a small number of people who have had radical surgery of maxillary sinus may develop bilateral maxillary sinus cysts after surgery, which may be caused by part of the mucous membrane and mucous glands being buried in the scar after surgery, which makes the mucus secreted accumulate: there is also a possibility that periodontal tissues may invade into the maxillary sinus.
Individuals who are found to have bilateral maxillary sinus cysts through examination should actively treat the primary disease, and surgery can be considered for those with obvious symptoms, and the specific treatment plan needs to be formulated by a professional physician.