title: [Osteonecrosis. What is new?].
abstract: Osteonecrosis, also known as aseptic necrosis, is a pathological process that has been associated with numerous conditions. The pathogenesis of osteonecrosis and especially the treatment both remain an area of controversy. In this article we review the etiology and pathogenesis of osteonecrosis as well as the main therapeutic options.
authors.affiliation: Servicio de Reumatología. Hospital Clínic i Provincial. Barcelona. España.
authors.forename: M Ángeles
authors.initials: MÁ
authors.lastname: Martínez-Ferrer
authors.forename: Pilar
authors.initials: P
authors.lastname: Peris
authors.forename: Nuria
authors.initials: N
authors.lastname: Guañabens