​Etiology Underlying Pleural Effusion in Thanjavur Medical College Hospital: A Descriptive Study

Background: Pleural effusion is one of the most common signs seen in respiratory pathologies. An attempt to establish commonetiologies underlying pleural effusion helps in effective management of the same.Materials and Methods: After obtaining proper informed consent, patients presenting with pleural effusion underwent clinicalexamination in addition to radiological and biochemical investigations. Where needed, the diagnosis was confirmed usingpleural biopsy and bacteriological analysis.Results: Investigations confirmed tuberculosis in 23 patients, malignancy in seven cases, congestive cardiac failure in fourcases, parapneumonic causes in 12 patients, hypoproteinemia in two patients, and pulmonary thromboembolism in two patients.Conclusion: The present findings show that tuberculosis is the most common cause of pleural effusion in our patients. A morecomprehensive study would help us to further strengthen our findings.