Patella Dislocation Subluxation MRI.
- There has been a recent Patella dislocation with classical contra coup bone bruising and torn MPFL/ medial retinaculum.
- The best clue to patella dislocation / subluxation on MRI is the presence of the contra coup bone bruising in the patella and femur.
- Contra Coup Bone bruising at the lateral femoral condyle (Pink arrow) and Medial Patella Facet (Green arrow).
- The MPFL/ medial retinaculum is torn (Blue arrow).
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