Presentation
Sport injury two weeks ago.
Patient Data
Age: 15 years
Gender: Female
From the case:
Transient lateral patellar dislocation
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Joint effusion with bone marrow edema of low signal on T1 and high signal PD fat sat, involving the medial aspect of the patella and the lateral femoral condyle. Thickening with an abnormal intrinsic high signal of the medial patellar retinaculum and the medial patellofemoral ligament with periligamentous edema. No associated chondral or osteochondral injury is seen. Vastus lateralis muscle strain with diffuse soft-tissue edema.
Case Discussion
MRI features are consistent with a transient lateral patellar dislocation with no associated chondral or osteochondral injury,