title: Ossifying fibroma, osteosarcoma and chondrosarcoma involving maxillary sinus--a report of 4 cases.
mesh_terms: D000328:Adult; D002648:Child; D002813:Chondrosarcoma / Q000473:pathology*; D005260:Female; D005350:Fibroma / Q000473:pathology*; D006801:Humans; D008297:Male; D008441:Maxillary Neoplasms / Q000473:pathology*; D010016:Osteoma / Q000473:pathology*; D012516:Osteosarcoma / Q000473:pathology*