title: Osteoblastoma of the ethmoid sinus: the fourth reported case.
mesh_terms: D000368:Aged; D005005:Ethmoid Sinus / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D006801:Humans; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging / Q000473:pathology; D010255:Paranasal Sinus Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D014057:Tomography, X-Ray Computed