Table 1 Classification of thoracic abnormal air collection based on anatomy
Location | Anatomical structure and space | Disease of abnormal air collection |
|---|---|---|
I. Pleural cavity | Anteromedial space | Pneumothorax in the anteromedial space (I-1) |
Subpulmonary space | Pneumothorax in the subpulmonary space (I-2) | |
Apicolateral space | Pneumothorax in the apicolateral space (I-3) | |
Posteromedial space | Pneumothorax in the posteromedial space (I-4) | |
(Emergency condition) | Tension pneumothorax (I-5) | |
(Differential diagnosis) | Mimics of pneumothorax (I-6) | |
II. Chest wall | Subcutaneous space | Subcutaneous emphysema (II-1) |
Intrathoracic extrapleural space | Air collection in the intrathoracic extrapleural space (II-2) | |
III. Mediastinum | Mediastinum | Pneumomediastinum (III-1) |
Inferior pulmonary ligament | Air collection in the inferior pulmonary ligament (III-2) | |
IV. Pericardium | Pericardium | Pneumopericardium (IV-1) |
V. Lung | Interstitium | Pulmonary interstitial emphysema (V-1) |
Parenchyma | Pneumatocele (V-2) |