Gout of the knee

Case contributed by Craig Hacking
Diagnosis certain


Atraumatic pain.

Patient Data

Age: 35 years
Gender: Male

There is a ill-defined juxta-articular erosion of the lateral distal femur. Cortical irregularity of the medial proximal tibia may also represent an erosion. No soft tissue calcification identified.

Case Discussion

This patient subsequently had a joint aspiration which revealed negatively birefringent monosodium urate crystals confirming gout.

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