Table 1 Histopathological diagnosis for 56 biopsies
Histopathological diagnosis | N of patients | % |
|---|---|---|
Primary malignancy | 19 | 33.9 |
Mesothelioma | 19 | 33.9 |
Secondary malignancy | 14 | 25 |
Lung adenocarcinoma | 8 | 14.3 |
Breast adenocarcinoma | 2 | 3.6 |
Colon adenocarcinoma | 1 | 1.8 |
Melanoma | 1 | 1.8 |
Non-Hodgkin lymphoma | 1 | 1.8 |
Adenoid cystic carcinoma | 1 | 1.8 |
Benign lesions | 17 | 30.4 |
Chronic fibrinous pleuritis | 6 | 10.7 |
Chronic inflammatory infiltrate | 5 | 8.9 |
Asbestosis | 4 | 7.1 |
Fibrous pleural plaque | 2 | 3.6 |
False-inconclusive findings | 6 | 10.7 |