Ossifying cementoma (cementifying fibroma).
D000293:Adolescent; D002485:Cementoma / Q000473:pathology; D005005:Ethmoid Sinus; D005094:Exophthalmos / Q000209:etiology; D005260:Female; D006801:Humans; D008443:Maxillary Sinus / Q000000981:diagnostic imaging; D009808:Odontogenic Tumors / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D010255:Paranasal Sinus Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D011859:Radiography; D013100:Sphenoid Bone; D013101:Sphenoid Sinus