title: [Parosteal osteoma & parosteal osteogenic sarcoma].
mesh_terms: D001859:Bone Neoplasms; D006801:Humans; D008499:Medical Records; D009369:Neoplasms; D010016:Osteoma; D012516:Osteosarcoma; D018217:Osteosarcoma, Juxtacortical
keywords: OSTEOMA; SARCOMA, OSTEOGENIC/case reports
vernacular_title: Kostniak przykostny i przykostny miesak kościopochodny.