title: Osteosarcoma without radiographic evidence of tumor.
authors.forename: Salih
authors.initials: S
authors.lastname: Marangoz
mesh_terms: D001706:Biopsy; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005266:Femoral Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography