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WBC in synovial fluid

Reference interval: - < 200 /mm3 Indications: - infectious arthritis - inflammatory arthritis - hemarthrosis Clinical significance: 1) non-inflammatory conditions - < 3000 WBC/mm3 (< 3 x 10E9/L): < 30% neutrophils - no RBC 2) inflammatory - 3000-75,000 WBC/mm3 (3-75 x 10E9/L): > 50% neutrophils - no RBC 3) infectious - 50,000-200,000 WBC/mm3 (50-200 x 10E9/L): > 90% neutrophils - RBCs present 4) hemorrhagic - 50-10,000 WBC/mm3 (0.05-10 x 10E9/L): < 50% neutrophils - RBCs present

Related

synovial fluid synovial fluid analysis

Specific

eosinophils in synovial fluid lymphocytes in synovial fluid macrophages in synovial fluid monocytes in synovial fluid mononuclear cells in synovial fluid neutrophils in synovial fluid WBC other in synovial fluid

General

synovial fluid cell count leukocytes (WBC) in body fluid

References

  1. Clinical Diagnosis & Management by Laboratory Methods, 19th edition, J.B. Henry (ed), W.B. Saunders Co., Philadelphia, PA. 1996, pg 467-472
  2. Laboratory Medicine: Test Selection & Interpretation. Howanitz & Howanitz (eds), Churchill Livingstone, NY, 1991, pg 116-121

Component-of

other cells/leukocytes in synovial fluid