Objective To improve the accurate rate of gout diagnosis by the analysis of misdiagnosis of primary gout.Method Analyze the clinic performance and misdiagnosis reasons of the 29 misdiagnosis of primary gout.Results In the 29 cases
there are 17 cases in which the primary gout is misdiagnosed to be rheumatoid arthritis
taking up 58.62%.And there are 6 cases misdiagnosing to be rheumatic arthritis
taking up 20.69%.Other cases are misdiagnosed to be nephritis
renal insufficiency
cellulites and erysipelas.Conclusion The distinguish of primary gout should be paid more attention in clinic.The key to prevent misdiagnosis is to enquire medical record in details
do careful physicals
and check the Uric Acid and the involved joints on X-ray radiographs when needed.