title: Preliminary criteria for the classification of the acute arthritis of primary gout.
abstract: The American Rheumatism Association sub-committe 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 topus 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.
mesh_terms: D000208:Acute Disease; D001168:Arthritis / Q000175:diagnosis; D001172:Arthritis, Rheumatoid / Q000175:diagnosis; D002805:Chondrocalcinosis / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006073:Gout / Q000145:classification* / Q000175:diagnosis; D006801:Humans; D008297:Male; D013492:Suppuration; D013582:Synovial Fluid / Q000032:analysis; D014527:Uric Acid / Q000032:analysis
chemical_list: D014527:Uric Acid