Medial patellar plica syndrome

Case contributed by Andrew Dixon
Diagnosis almost certain

Presentation

Known psoriatic arthritis. For assessment of degree of synovitis.

Patient Data

Age: 40 years
Gender: Male

MRI Knee

mri
This study is a stack
Axial
PD FS
This study is a stack
Sagittal
PD FS
This study is a stack
Axial T1
C+ fat sat
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Info

Knee joint effusion. Diffuse synovial thickening and enhancement consistent with synovitis. Thickened medial patellar plica with a large focal near full thickness medial patella facet cartilage defect, which is a well recognized association. Mild semimembranosus-tibial collateral ligament bursitis is also present. 

Case Discussion

In addition to diffuse knee joint synovitis, there is a thickened medial patellar plica with an associated medial patella facet cartilage defect (medial patellar plica syndrome).

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