What is the role of pleural fluid lymphocytosis in the evaluation of pleural effusion (fluid on the lungs)?

Updated: Dec 28, 2018
  • Author: Kamran Boka, MD, MS; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
  • Print
Answer

Pleural fluid lymphocytosis, with lymphocyte values greater than 85% of the total nucleated cells, suggests TB, lymphoma, sarcoidosis, chronic rheumatoid pleurisy, yellow nail syndrome, and chylothorax. Pleural lymphocyte values of 50-70% of the nucleated cells suggest malignancy.


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!