Table 1. Etiology of SH.
| Category | Etiology |
|---|---|
| Pneumothorax | SHP |
| Coagulopathy | Congenital disease (hemophilia, glanzmann thromboastenia) |
| Drug related | |
| Vascular | AVMs |
| VRD | |
| Aneurysms | |
| EDS type IV | |
| Connective tissue disease | |
| Neoplasia | Angiosarcoma |
| Schwannoma | |
| Thymoma | |
| Vascular tumors | |
| Germ cell tumors | |
| Hepatocellular carcinoma | |
| Lung cancer | |
| Mesothelioma | |
| Miscellaneous | Exostoses |
| Extramedullary hematopoiesis | |
| Endometriosis | |
| Pulmonary sequestration |
SH, spontaneous haemothorax; SHP, spontaneous haemopneumothoax; AVMs, arteriovenous malformations; VRD, von recklinghausen disease; EDS, Ehlers-Danlos syndrome.