<prompt> Tuberculous pleural effusion is characterized by all except?HemorrhageLDH more than 60Protein is increasedMesothelial cells  <response>: 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. 