Cisto de retenção mucoso do seio maxilar: relato de caso sintomático.

Abstract

The maxillary sinus retention mucous cysts is a benign lesion that it occurs in the interior of the sinus maxillary due ductal obstruction. In the majority of the cases it doesn’t present symptoms, being discovered in radiographic examinations of routine, however, in some cases, this cyst can become of great ratio and cause symptoms as paresthesia, sensitivity to palpation, chronic headache, nasal blockage, and dizziness. Conservative treatment is conduct in most cases. Symptomatic retention cysts are treated by enucleation or curettage. This work aims to report a clinical case of mucous retention cyst symptomatic accidentally discovered in a patient treated surgically assisted rapid maxillary expansion. The curettage of the cyst allowed for the regression of symptoms and 12 months postoperatively the patient is free of symptoms and no signs of recurrence of lesion.