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Case Rep Rheumatol. 2012;2012:253693. doi: 10.1155/2012/253693. Epub 2012 Nov 7.

Tophaceous gout of the patella: a report of two cases.

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1
Trauma and Orthopaedics, Glasgow Royal Infirmary, 84 Castle Street, Glasgow G4 0SF, UK.

Abstract

INTRODUCTION:

Tophaceous gout of the patella is rare and may masquerade as a tumour or tumour-like condition.

CASES:

We report two patients with gout involving the patella, one complicated by a pathological fracture and the other occurring in a bipartite patella in a young adult.

DISCUSSION:

Typical imaging appearances and measurement of serum urate will usually confirm the diagnosis but, occasionally, the serum urate level may be normal in active gout and in such cases, a biopsy will be required.

CONCLUSION:

Gout of the patella may masquerade as a tumour or tumour-like condition and it is important to consider gout in the differential diagnosis.

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