Synovitis of knee

Case contributed by Dr Vinay Shah


Pain, swelling, clicking in right knee joint.

Patient Data

Age: 30
Gender: Female

Moderate right knee joint effusion with supra-patellar extension is seen. 

Hypointense signal seen on T1W, T2W images in the thickened synovium with stranding of Hoffa’s fat pad and irregular Hoffa’s fat pad sign present. These represent changes of synovitis.

There is well defined approx 1.1 x 1.0 cm, 1.0 x 0.7 cm in size lymphnode lesion seen in the posterior aspect along the popliteal vessels.

Bone marrow edema / changes of osteitis in the both tibial, femoral condyles and at patella. 

There is thinning with loss of articular cartilage seen at both medial, lateral tibio-femoral joint space and patello-femoral joint space.

Reduction of the tibio-femoral and femoro-patellar joint space.  

Grade II meniscal signal n the posterior horns of medial and lateral menisci.

Case Discussion

These findings represents changes of synovitis with underlying infective/ inflammatory involvement. 

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Case information

rID: 20026
Case created: 29th Oct 2012
Last edited: 4th Oct 2017
Inclusion in quiz mode: Included

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