This study was carried out to ascertain the aetiology of exudative pleural effusions when other diagnostic investigations such as pleural fluid and sputum examination for cytology and acid fast bacilli fail to yield a definitive diagnosis and to differentiate between tuberculosis and malignancy in cases suspicious of malignancy.
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.