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Preliminary criteria for the classification of the acute arthritis of primary gout

1977; Wiley; Volume: 20; Issue: 3 Linguagem: Inglês

10.1002/art.1780200320

1529-0131

Stanley L. Wallace, Harry Robinson, Alfonse T. Masi, John L. Decker, Daniel J. McCarty, Ts’ai-Fan Yű,

Hematological disorders and diagnostics

Abstract The American Rheumatism Association subcommittee on classification criteria for gout analyzed data from more than 700 patients with gout, pseudogout, rheumatoid arthritis, or septic arthritis. Criteria for classifying a patient as having gout were a) the presence of characteristic urate crystals in the joint fluid, and/or b) a tophus proved to contain urate crystals by chemical or polarized light microscopic means, and/or c) the presence of six of the twelve clinical, laboratory, and X‐ray phenomena listed in Table 5.