What causes a cyst in the maxillary sinus?

The most common causes of mucoceles are chronic infection, allergic sinonasal disease, trauma, previous surgery and in some cases cause remains uncertain [1, 2]. The treatment of maxillary mucoceles is surgical including external approaches, marsupialization, Caldwell-Luc procedure and endoscopy [1–4, 9–11].

How do you treat maxillary sinus cyst?

Generally, treatment includes enucleation of the cyst and/or surgical excision, including endoscopic observation in some cases. Long-term multidisciplinary postoperative patient observation should be performed, especially in cases with high recurrence.

Is maxillary sinus cyst symptoms?

In the majority of the cases it is asymptomatic, and discovered on routine radiographic examinations. However, in some cases, this cyst can become large and cause symptoms as paresthesia, sensitivity to palpation, chronic headache, nasal blockage, and dizziness. Conservative treatment is conduct in most cases.

Are maxillary sinus cysts common?

Maxillary sinus retention cysts (MSRCs) are very common and most of them are asymptomatic and incidentally found on radiographs. Nevertheless, a few of them increase in size and cause symptoms by obstructing natural ostia of the maxillary sinus (MS) [1].

What causes a retention cyst?

Mucous retention cysts are more common and are caused by the obstruction of a seromucinous gland. Serous retention cysts result from the accumulation of fluid in the submucosal layer. Both types of retention cysts appear as smooth, outwardly convex soft tissue masses on imaging.

What causes retention cysts?

What is a retention cyst or polyp?

Antrochoanal polyp: A single polyp arising from the maxillary sinus from a twisted “stalk” of mucosa. Mucus retention cyst: A benign fluid-filled cyst, often in the maxillary sinus, that tends to not grow. Tumors: Several types of tumors, both benign and cancerous, can arise from the paranasal sinuses.