title: Case report 162: Periosteal osteosarcoma of rib.
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000000981:diagnostic imaging*; D011859:Radiography; D012272:Ribs / Q000000981:diagnostic imaging*