virgin.net This paper looks at patellar dislocation only in the sports injury context. It does not refer to congenital and habitual dislocation. Dislocation is simply divided into two groups, acute ...

X-rays (Figures 1A, B) showed a mottled appearance of both patellae with irregular margins and subtle fragmentation. A left knee MRI (Figure 1C) demonstrated fragmentation of the primary patellar ...