Presentation
Twisting injury of knee.
Patient Data
Age: 15 years
Gender: Female
From the case:
Lateral patellar dislocation
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mild joint effusion
bone bruise involving the lateral femoral condyle
osteochondral injury of the medial articular surface of the patella with an underlying bruise
trochlear dysplasia associated with a small medial facet and a shallow trochlear groove
Case Discussion
This case represents a typical appearance for an acute lateral patellar dislocation post-relocation.