Diagnostic imaging findings in bronchiectasis
| Imaging findings in bronchiectasis |
| Bronchial dilatation: objectively assessed by broncho–arterial ratio >1:1 (or >1.5:1 for increased specificity) |
| Lack of bronchial tapering >2 cm in length from airway bifurcation |
| Visible peripheral airways within 1 cm vicinity of costal pleura or directly abutting mediastinal pleura |
| Common associated findings suggestive of airway disease or inflammation |
| Bronchial wall thickening |
| Mucus plugging |
| Tree-in-bud opacities |