Pleural Fluid
 

Pleural Fluid Cell Count

 
 
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Red Blood Cells

    • Causes of RBC in Pleural Fluid

    • Traumatic collection
    • Haemothorax
    • Malignancy
    • Parapneumonic effusion
    • Pulmonary embolism

White Blood Cells

    • Causes of WBC in Pleural Fluid

    • Infection - parapneumonic effusion, TB
    • Autoimmune disease
    • Malignancy
    • Interpretation

    • >50% neutrophils - parapneumonic effusion, PE, pancreatitis
    • >80% lymphocytes - TB or lymphoma
    • >10% eosinophils - pneumothorax, haemothorax, drug reaction, Churg-Strauss
 
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