Thoracoscopic Pleural Lavage and Brushing in Undiagnosed Pleural Effusion

Medical thoracoscopy will be performed during which pleural brush will be used first followed by forceps biopsy to obtain pleural specimens from suspect areas under visual control and pleural lavage will be performed by injecting 300 mL of normal saline

Forceps biopsy and pleural brush will be obtained for histopathological examination for diagnosis

pleural lavage will be obtained for cytological examination for diagnosis