title: Primary hydatid cyst of the maxillary sinus.
abstract: An unusual case of hydatid cyst of the maxillary sinus compressing the orbit is presented. No similar report has appeared in world literature.
mesh_terms: D002648:Child; D004443:Echinococcosis / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000000981:diagnostic imaging*; D010254:Paranasal Sinus Diseases / Q000000981:diagnostic imaging*; D011859:Radiography