title: Neuroradiologic features of primary falx osteosarcoma.
mesh_terms: D004388:Dura Mater; D006801:Humans; D008297:Male; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging*; D008875:Middle Aged; D012516:Osteosarcoma / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed