Osteochondritis dissecans is a condition characterised by acquired pathological subchondral bone lesions and its incidence is unknown. It has a multifactorial aetiology, with a combination of genetic and acquired risk factors. It commonly presents in adolescents and young adults. Patients have variable presentations, including trauma, insidious onset and pain exacerbated by exercise. The joints primarily affected are the knee, ankle and elbow joint. Early identification is key to treatment and to prevent future osteoarthritis of the joint. This article gives an overview of the presentation, assessment and management of the juvenile form of osteochondritis dissecans.
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