Table 1. Patterns and Distribution of Chest CT Findings in CF Compared with Other Non-CF Diseases.
Disease | CT Findings | Laterality | Lung Zonal Predominance | ||||
---|---|---|---|---|---|---|---|
Unilateral | Bilateral | Upper† | Lower‡ | Diffuse Distribution§ | |||
CF (n = 7) | Bronchiectasis (n = 7 [100%]) | 0 (0) | 7 (100) | 4 | 2 | 1 | |
Tree-in-bud pattern (n = 7 [100%]) | 0 (0) | 7 (100) | 4 | 2 | 1 | ||
Mucus plugging (n = 7 [100%]) | 1 (14) | 6 (86) | 3 | 2 | 2 | ||
Mosaic attenuation (n = 7 [100%]) | 1 (14) | 6 (86) | 4 | 1 | 2 | ||
Consolidation (n = 2 [29%]) | 1 (50) | 1 (50) | 0 | 2 | 0 | ||
Pulmonary hypertension (n = 2 [29%]) | |||||||
Findings in upper abdomen* (n = 2 [29%]) | |||||||
Non-CF diseases (n = 6) | PCD (n = 4) | Bronchiectasis (n = 4 [100%]) | 0 (0) | 4 (100) | 2 | 2 | 0 |
Tree-in-bud pattern (n = 4 [100%]) | 0 (0) | 4 (100) | 2 | 2 | 0 | ||
Mucus plugging (n = 3 [75%]) | 0 (0) | 3 (100) | 1 | 2 | 0 | ||
Mosaic attenuation (n = 4 [100%]) | 0 (0) | 4 (100) | 2 | 2 | 0 | ||
Consolidation (n = 2 [50%]) | 2 (100) | 0 (0) | 0 | 2 | 0 | ||
Pulmonary hypertension (n = 0) | |||||||
Findings in upper abdomen (n = 0) | |||||||
Bronchiectasis of unknown cause (n = 1) and asthma (n = 1) | Bronchiectasis (n = 2 [100%]) | 0 (0) | 2 (100) | 0 | 1 | 1 | |
Tree-in-bud pattern (n = 2 [100%]) | 0 (0) | 2 (100) | 0 | 1 | 1 | ||
Mucus plugging (n = 1 [50%]) | 0 (0) | 1 (100) | 0 | 0 | 1 | ||
Mosaic attenuation (n = 1 [50%]) | 0 (0) | 1 (100) | 0 | 1 | 0 | ||
Consolidation (n = 1 [50%]) | 1 (100) | 0 (0) | 0 | 1 | 0 | ||
Pulmonary hypertension (n = 0) | |||||||
Findings in upper abdomen (n = 0) |
*Findings include liver cirrhosis, acute pancreatitis, fatty replacement or calcifications of pancreas, pancreatic cyst or mass, and nephrolithiasis, †Lung above tracheal carina, ‡Lung beneath tracheal carina, §No craniocaudal predilection. CF = cystic fibrosis, PCD = primary ciliary dyskinesia