Presentation
Berndt & Harty Classification - illustration
From the case:
Osteochondral injury of talus - staging (illustration)
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The different grades of osteochondral defects are illustrated at the superomedial aspect of the talar dome, a common site for these injuries.
Case Discussion
Osteochondral defects are focal areas of articular damage with cartilage damage and injury of the adjacent subchondral bone. It is a term that encompasses osteochondritis dissecans and is used synonymously with osteochondral injury/defect in the pediatric population.