Quadriceps fat pad impingment syndrome

Case contributed by Dr Ammar Haouimi

Presentation

Chronic anterior knee pain.

Patient Data

Age: 40 years
Gender: Male

The MRI sequences demonstrate moderate hypertrophy of the quadriceps fat pad of high signal on PD fat-saturated sequences with a convex posterior margin with a mass effect on the suprapatellar recess. No significant joint effusion is seen.

Intact menisci and cruciate/collateral ligaments.

Case Discussion

Hypertrophy with edematous infiltration of the quadriceps fat pad in addition to the clinical presentation is suggestive of quadriceps fat pad impingement syndrome.

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