title: Osteosarcoma with unusual clinical and/or radiographic appearances. Report of 5 cases.
abstract: Five cases of osteosarcoma with rare clinical and/or radiographic findings are reported. A bony neoplasm should be suspected in each case with unexplained local or generalised signs and/or symptoms.
mesh_terms: D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D002648:Child; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D008297:Male; D012516:Osteosarcoma / Q000000981:diagnostic imaging*; D011859:Radiography