title: Primary osteogenic sarcoma of the calvaria.
mesh_terms: D000368:Aged; D002533:Cerebral Angiography; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000000981:diagnostic imaging*; D012888:Skull Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed