摘要：93 patients with recent inflammatory joint disease were investigated for the presence of anti- Chlamydia IgM antibodies . The specific antibodies have been found in 17 patients (18.2%) by ELISA Chlamydia TRUE- IgM commercial kit . 58.8% of positive patients had clinical diagnosis of reactive arthritis ; 29.4% of ankylosing spondylitis and 5.9% of sacroilitis and Reiter’s syndrome too . Serological investigation of patients with arthritis appeared as necessary for a better understanding the germy ethyology of seronegative arthritis
