Results w_2 All 14 cases were given a misdiagnosis of suppurative arthritis rheumatoid arthritis acute synovitis osteoarthritis respectively before arthroscopy .

结果14例病人术前均误诊，分别诊断为 化脓 性关节炎、类风湿性关节炎、急性 滑膜炎、骨性关节炎。