title: Avulsion fractures and chronic avulsion injuries of the knee: role of MR imaging.
abstract: Avulsion fractures and chronic avulsion injuries of the knee are common lesions in sports-related trauma, especially among adolescents. Magnetic resonance imaging may prove useful in detecting and characterizing such lesions, and has several advantages with regard to other imaging modalities. We review, illustrate, and discuss the MR imaging features of some of the more frequent avulsion fractures and chronic avulsion injuries of the knee, including avulsion fractures of the cruciate ligaments, avulsion fractures of lateral and medial stabilizers, avulsion fractures and chronic avulsion injuries of the extensor mechanism, and avulsive cortical irregularities of the distal femur. The role of MR imaging in evaluating such lesions is emphasized.
authors.affiliation: Institut de Diagnòstic per la Imatge, Hospital Universitari de Tarragona Joan XXIII, 43007 Tarragona, Spain. rmidi@hjxxiii.scs.es
authors.forename: J M
authors.initials: JM
authors.lastname: Mellado
authors.forename: A
authors.initials: A
authors.lastname: Ramos
authors.forename: E
authors.initials: E
authors.lastname: Salvadó
authors.forename: A
authors.initials: A
authors.lastname: Camins
authors.forename: J
authors.initials: J
authors.lastname: Calmet
authors.forename: A
authors.initials: A
authors.lastname: Saurí
mesh_terms: D003937:Diagnosis, Differential; D050723:Fractures, Bone / Q000175:diagnosis*; D006801:Humans; D031221:Knee Dislocation / Q000175:diagnosis*; D007718:Knee Injuries / Q000175:diagnosis; D007719:Knee Joint / Q000473:pathology*; D008023:Ligaments, Articular / Q000293:injuries*; D008279:Magnetic Resonance Imaging; D010007:Osteochondritis / Q000175:diagnosis; D010329:Patella / Q000293:injuries / Q000473:pathology; D013977:Tibia / Q000293:injuries / Q000473:pathology