Mediastinal compartment | Structures in compartment | Lesions |
Prevascular | - Thymus
- Fat
- Lymph nodes
- Left brachiocephalic vein
| - Thymic lesions including cysts, thymic follicular hyperplasia, true thymic hyperplasia, thymomas, thymic carcinomas, thymic neuroendocrine tumors
- Germ cell tumors
- Lymphomas
- Metastases
- Intrathoracic goiter
|
Visceral | - Trachea
- Esophagus
- Lymph nodes
- Heart, aorta, superior vena cava
- Intrapericardial pulmonary arteries
- Thoracic duct
| - Lymphoma
- Metastases
- Duplication cysts
- Tracheal lesions
- Esophageal neoplasms
- Vascular lesions arising from the heart, pericardium, and great vessels
|
Paravertebral | - Thoracic spine
- Paravertebral soft tissues
| - Neurogenic tumors arising from dorsal root ganglia/neurons adjacent to intervertebral foramina
- Infectious processes (discitis/osteomyelitis)
- Traumatic lesions (hematoma)
- Extramedullary hematopoiesis
|