Case report 258. High-grade "surface" osteosarcoma arising from femoral shaft.
D000293:Adolescent; D005260:Female; D005266:Femoral Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000473:pathology*; D011379:Prognosis; D011859:Radiography