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CPPD acute knee — SCE Rheumatology MCQ

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ModerateCrystal arthropathiesCPPD acute kneeSCE Rheumatology

A 81-year-old woman has acute CPPD arthritis of a single knee. Examination shows aspiration excludes infection. Investigations show renal function is reduced and diabetes is well controlled. What is the most appropriate management?

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Correct answer: C — Intra-articular corticosteroid injection

Intra-articular corticosteroid injection is the most appropriate management because it matches the crystal diagnosis, comorbidity and infection risk. The tempting alternatives either ignore renal or drug safety, fail to lower urate long term, or delay septic arthritis treatment. Crystal arthritis care separates acute anti-inflammatory treatment from long-term urate-lowering strategy.

Reference: NICE NG219; BSR gout guideline; EULAR CPPD recommendations; BNF