Children rheumatoid auxiliary differential diagnosis

1, Tuberculosis arthritis for more than single-arthritis, positive tuberculin skin test, tuberculosis poisoning symptoms, often in other parts of the body have TB lesions. X-ray examination to the main bone destruction. Second, suppurative arthritis arthritis more than a single incidence of intense, poisoning symptoms, joint red, swelling, heat, pain Obviously, the total number of leukocytes and neutrophils increased. Third, rheumatic fever and joint pain sustained migration to the joints mainly only in the acute period of dysfunction, and not left ankylosis deformities often symptoms of heart inflammation. Activities of erythrocyte sedimentation rate and Antistreptolysin-"O" titer increased. Joint X-ray have no abnormal findings. Fourth, in addition to systemic lupus erythematosus fever, joint pain, a butterfly-shaped facial rash, kidney damage and heart inflammation performance. Blood or bone marrow smears can be found "lupus erythematosus cells." Reduce the total number of leukocytes and neutrophils relatively higher eosinophil reduced. 5, ankylosing spondylitis was particularly prevalent in the more than six-year-old youth and adults. Large joints (knee, foot, shoulder, hip) can sense heat, swelling, pain, pain-night, but limited to the spine movement is characterized by limited at the beginning of lumbar motion, and then also the thoracic and cervical involvement.