title: Osteosarcoma of the lower extremity presenting as a pathologic fracture.
authors.affiliation: Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.
authors.forename: Karl
authors.initials: K
authors.lastname: Muchantef
authors.forename: Avrum N
authors.initials: AN
authors.lastname: Pollock
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D005264:Femoral Fractures / Q000000981:diagnostic imaging* / Q000473:pathology; D005266:Femoral Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008297:Male; D009367:Neoplasm Staging; D012516:Osteosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography