Lateral patellar dislocation

Case contributed by Hector Rivera-Melo
Diagnosis certain

Presentation

Knee pain.

Patient Data

Age: 40 years
Gender: Female
mri

Large joint effusion with bone marrow edema at the lateral femoral condyle and medial aspect of the patella. Disruption of the medial patellar retinaculum. Subcutaneous edema anterior to the patella.

Case Discussion

This case represents a typical appearance for an acute lateral patellar dislocation post-relocation.

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