[A case of chronic pyopolypous pansinusitis with mucopyocele of the frontal sinus].

Chronic pyopolypous pansinusitis in a patient presenting with mucopyocele of the frontal sinus is described. A brief characteristic of cyst-like extension of the paranasal sinuses is presented. Special attention is given to the main diagnostic criteria. The methods of surgical and postoperative treatment of patients with the pathology in question are discussed.