Table 1.
Causes of PEs in n = 83 patients.
| Cause of Benign PE |
Number (%) of Patients |
Cause of Malignant PE |
Number (%) of Patients |
|---|---|---|---|
| Parapneumonic PE | 18 (43.9) | Pulmonary metastasis of solid carcinomas | 17 (40.5) |
| Pleura empyema | 7 (17.1) | Primary bronchial carcinoma | 17 (40.5) |
| Congestive heart failure | 9 (22.0) | Pleural mesothelioma | 4 (9.5) |
| Pulmonary artery embolism | 3 (7.3) | Lung infiltration by malignant lymphoma | 2 (4.8) |
| Non-infectious granulomatous diseases | 2 (4.9) | Pulmonary metastasis of sarcoma | 2 (4.8) |
| Liver cirrhosis | 1 (2.4) | - | - |
| IgG4-related pleuritis | 1 (2.4) | - | - |
| Total number of patients with benign PE | 41 (100) | Total number of patients with malignant PE | 42 (100) |
The values are indicated as number (%). PE: pleural effusion.