Table 2

Abnormalities detected on thoracic HRCT scan

Abnormalities Total
Fibrosing alveolitis 28
 predominantly reticular pattern 22
 predominantly ground glass3
 ground glass = reticular pattern3
Thickened interlobular lines 28
Bronchiectasis typical of obstructive lung disease12
Emphysematous bullae23
Decreased attenuation of pulmonary parenchyma suggestive of air trapping5
Mosaic perfusion pattern1
Apical emphysematous bullae and FA12
Pulmonary nodules7
Pleural abnormalities5