title: Malignant transformation of benign osteoblastoma. A case report.
mesh_terms: D001706:Biopsy; D005266:Femoral Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging / Q000473:pathology*; D011859:Radiography; D013997:Time Factors