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What is Tuberculous pleural effusion is characterized by all except? and explain in detail?
Mesothelial cells are found in variable numbers in most effusions, but their presence at greater than 5% of total nucleated cells makes a diagnosis of TB less likely. Markedly increased number of mesothelial cells, especially in bloody eosinophilic effusions, suggests pulmonary embolism as the cause of an effusion.