title: Case report 420: Parosteal osteosarcoma.
authors.forename: M P
authors.initials: MP
authors.lastname: Marks
authors.forename: S C
authors.initials: SC
authors.lastname: Marks
authors.forename: H D
authors.initials: HD
authors.lastname: Segall
authors.forename: C P
authors.initials: CP
authors.lastname: Schwinn
authors.forename: D M
authors.initials: DM
authors.lastname: Forrester
mesh_terms: D005260:Female; D006801:Humans; D008875:Middle Aged; D009915:Orbit; D012516:Osteosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D012888:Skull Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D013100:Sphenoid Bone; D014057:Tomography, X-Ray Computed