title: Quiz. Osteoblastic osteosarcoma of high grade malignancy.
authors.affiliation: Clinica Ortopedica dell'Università-Istituto Ortopedico Rizzoli, Bologna.
authors.forename: A
authors.initials: A
authors.lastname: Sudanese
authors.forename: F
authors.initials: F
authors.lastname: Femino
authors.forename: L
authors.initials: L
authors.lastname: Sangiorgi
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D012516:Osteosarcoma / Q000473:pathology*; D012272:Ribs / Q000473:pathology*