Osteoblastoma--benign or malignant percursor? Report of a case.
D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D010017:Osteoma, Osteoid / Q000150:complications / Q000000981:diagnostic imaging*; D012516:Osteosarcoma / Q000175:diagnosis / Q000209:etiology; D011859:Radiography; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging* / Q000209:etiology; D013904:Thoracic Vertebrae