title: Metastatic or metachronous osteosarcoma: a clinical dilemma.
authors.forename: S G
authors.initials: SG
authors.lastname: Hasan Naqvi
authors.forename: Shah Alam
authors.initials: SA
authors.lastname: Khan
authors.forename: Sameer
authors.initials: S
authors.lastname: Bakhshi
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000601:surgery; D017024:Chemotherapy, Adjuvant; D003131:Combined Modality Therapy; D005269:Femur / Q000473:pathology*; D006801:Humans; D008297:Male; D020360:Neoadjuvant Therapy; D016609:Neoplasms, Second Primary / Q000209:etiology / Q000473:pathology*; D012516:Osteosarcoma / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000556:secondary / Q000601:surgery; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome