Endoscopic Management of symptomatic maxillary retention cysts

The objective of this study was to present an experience in endoscopic management of symptomatic mucus retention cyst of the maxillary sinus during the period of March 2000 to November 2002. Seventy-four patients with symptomatic large cysts that filled at least 50% of the maxillary sinus space were included in the study. Most of the cysts were removed through the natural sinus ostium by a rigid nasal endoscope [59 patients]. The inferior meatal approach was used in 11 patients; in 4 patients, the sinus was entered through the canine fossa. The results showed that cysts recurred in only 4 patients during the first postoperative year. There were no complications from the procedure