title: Quiz. Aneurysmal bone cyst.
authors.affiliation: I Clinica Ortopedica dell'Università, Istituto Ortopedico Rizzoli.
authors.forename: R
authors.initials: R
authors.lastname: De Cristofaro
authors.forename: R
authors.initials: R
authors.lastname: Casadei
mesh_terms: D000293:Adolescent; D001845:Bone Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis; D007719:Knee Joint