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Article Dans Une Revue Rheumatology Année : 2018

Gout misdiagnosis due to dual-energy computed tomography artefact

Résumé

A dual-energy CT (DECT) gout protocol (Fig. 1A) was performed for suspicion of gout of the left knee arthritis in 74-year-old woman with no monosodium urate crystals on initial SF analysis. DECT reconstructions revealed uric acid deposition automatically coloured in green (Fig. 1B, arrows) at the posterior surface of the femoral condyles. However, the localization of crystals deposition was unusual and the arthritis was not improved by colchicine. A new DECT was performed with flexion of the contralateral prosthetic knee (Fig. 1C) and did not show any green pixilation suggestive of gout, thus confirming a metal artefact due...

Dates et versions

hal-01857508 , version 1 (16-08-2018)

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Citer

André Ramon, Pierre Pottecher, Paul Ornetti. Gout misdiagnosis due to dual-energy computed tomography artefact. Rheumatology, 2018, 57 (7), pp.1234 - 1234. ⟨10.1093/rheumatology/key019⟩. ⟨hal-01857508⟩

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