Presentation
Anterior knee pain and click following twisting trauma 2 weeks ago
Patient Data
Age: 20 years old
Gender: Male
From the case:
Acute lateral patellar dislocation
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There is torn medial patellofemoral ligament MPFL from its patellar attachment with focal depression of the patella at this site (? avulsion) and characteristic focal marrow edema pattern involving the medial patella and lateral femoral condyle.