Histopathological Types of Exudate Pleural Effusion with Lymphocytosis

الملخص

Pleural biopsy is very important procedure to diagnose a exudative pleural effusion with dominant mononuclear cell
count (or lymphocytes) >50% of the differential leucocyte cells in pleural fluid. The main histopathological types as
in our cases were the first cause is TB pleuritis with effusion form 42% which more common in female (53%), with
mean age is 39 years, the second cause is metastatic malignant effusion form 29% which is more common in males
(87%), with mean age is 62 years, and the most common histopathological type is metastatic adenocarcinoma form
67% of all cases, while malignant mesothelioma is a rare cause of malignant pleural effusion, also chronic nonspecific inflammations form 29% of all cases.