Maxillary mucocele – unusual localization

Mucoceles of the paranasal sinuses are benign expansive cystic lesions, originated from the obstruction of the nasal drainage, have mucous or mucopurulent secretions and are covered by respiratory epithelium. Its development is insidious, generally unilateral and has a higher incidence between the third and fourth decades of life, with no gender predilection. Objective: To present a rare case of mucocele in the maxillary sinus, addressing the methods used in diagnosis and treatment. Final comments: The clinical evaluation associated with imaging tests suggest the diagnosis of mucoceles and the definitive treatment must be surgical.