ResultsIn 21 patients,misdiagnosed as septic arthritis was 10 cases,tuberculosis arthritis was five cases,ankylosing spondylitis was three cases,rheumatic fever was three cases.

• 结果21例患者中,误诊为化脓性关节炎10例,结核性关节炎5例,强直性脊柱炎3例,风湿热3例。