Table 2.
Radiographic differential diagnosis of a mediastinal tumour23
| Fatty | Cystic | Solid | Uncommon |
| Lipoma | Bronchogenic cyst | Mediastinal goitre | Parathyroid adenoma |
| Thymolipoma | Duplication cyst | Thymic hyperplasia | Haematoma |
| Mediastinal neuroenteric cyst | Thymoma | Haemangioma | |
| Pericardial cyst | Thymic carcinoma | Sarcoma | |
| Thymic cyst | Thymic carcinoids | Extramedullary haematopoiesis | |
| Lymphangioma | Lymphoproliferative disorders |
Fibrosing mediastinitis | |
| Pancreatic pseudocyst | Germ cell tumours | ||
| Neurogenic tumours |