Presentation
Right knee atraumatic swelling and pain. Limited ROM. Past history of gout but always in feet, never in knees.
Patient Data
Age: 80 years
Gender: Male
From the case:
Prepatellar gout on dual energy CT
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Subcutaneous edema around the knee including mild thickening of the pre-patellar soft-tissues. No joint effusion. No obvious high density material in the soft-tissue to indicate gout.
From the case:
Prepatellar gout on dual energy CT
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Dual energy CT demonstrates monosodium urate deposition superficial to the patella and proximal patella tendon. Marked subcutaneous edema.
Case Discussion
Acute knee inflammation due to gout (urate crystals) of the prepatellar tissues/bursa.