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erythrocytes in synovial fluid

Reference interval: - RBC: 0-2000/mm3 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 Increases: - hemarthrosis

Related

synovial fluid synovial fluid analysis

Specific

nucleatederythrocytes in synovial fluid

General

synovial fluid cell count erythrocytes (RBC) 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