Abstract
Purpose: Patellar dislocation is a traumatic injury involving severe twisting of a knee that may cause significant functional impairment to a young, active patient population. More than 30% of patients experience continued knee instability following conservative treatment, leading to an 8 times higher risk of developing post-traumatic osteoarthritis (PTOA). Moreover, a recurrent dislocation further increases the risk of PTOA by a factor of 4.5. Although some anatomical features have been identified as risk factors for patellar dislocation, few studies have investigated the differences in bone shape between patients with single dislocation and those with recurrent ones.
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