Table 2. Lesion characteristics.
| Characteristics | X-ray findings (N=48) |
CT-scan findings (N=48) | Bronchoscopy findings (N=48) | Intraoperative findings (N=48) |
|---|---|---|---|---|
| Airway stenosis | 2 (4.2) | 48 (100.0) | – | – |
| Collapse | 34 (70.8) | 39 (81.3) | – | – |
| Consolidation | 13 (27.1) | 16 (33.3) | – | – |
| Linear fibrosis | 7 (14.6) | 7 (14.6) | – | – |
| Location of stenosis | ||||
| Trachea | – | 3 (6.2) | 3 (6.2) | – |
| Left main bronchus | – | 36 (75.0) | 36 (75.0) | – |
| Right main bronchus | – | 9 (18.8) | 9 (18.8) | – |
| Location of the lesion in the bronchus (N=45) | ||||
| Proximal bronchus | – | 4 (8.9) | 31 (68.9) | 1 (2.2) |
| Middle bronchus | – | 9 (20.0) | 9 (20.0) | 11 (24.4) |
| Distal bronchus | – | 5 (11.1) | 5 (11.1) | 2 (4.4) |
| Entire bronchus | – | 27 (60.0) | 0 (0.0) | 31 (68.9) |
| Type of lesion | ||||
| Airway fibrosis | – | – | 45 (93.8) | – |
| Bronchomalacia | – | – | 2 (4.2) | – |
| Airway distortion | – | – | 1 (2.1) | – |
| Length of the stenotic segment (mm) | – | 25.8±8.5 | – | 27.5±7.5 |
| Lumen diameter of the stenotic segment (mm) | – | 2.3±2.1 | 2.5±2.1 | – |
| Classification of stenosis* | ||||
| Moderate stenosis (51–70%) | – | 6 (12.5) | 8 (17.8) | – |
| Severe stenosis (71–99%) | – | 23 (47.9) | 22 (48.9) | – |
| Occlusion (100%) | – | 19 (39.6) | 15 (33.3) | – |
Statistics are presented as mean ± standard deviation and n (%). *N=45 for bronchoscopy (in 3 patients the lesion could not be evaluated by bronchoscopy). CT, computed tomography.