Presentation
Knee pain after trauma.
Patient Data
Age: 25 years
Gender: Female
From the case:
Lateral patellar dislocation
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Moderate joint effusion is seen.
Bone bruise involving the lateral femoral condyle is noted.
Osteochondral injury of the medial articular surface of the patella with underlying bruise is evident.
Redundant medial patellar retinaculum is present.
Baker cyst also is seen at the posteromedial aspect of the knee joint.
Case Discussion
Lateral patellar dislocation refers to lateral displacement followed by dislocation of the patella due to disruptive changes to the medial patellar retinaculum.
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