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Figures
Figure 5. Traction Bronchiectasis/bronchiolectasis
Axial, sagittal and coronal CT images show subpleural predominant, lower lung predominant
reticular abnormality with traction bronchiectasis (arrows). Traction bronchiectasis/bronchiolectasis
represents irregular bronchial and/or bronchiolar dilatation caused by surrounding retractile fibrosis.
Distorted airways are thus identified in a background of reticulation and/or ground glass attenuation.
On contiguous HRCT sections, the dilated bronchi or bronchioles can be tracked back toward more
central bronchi. e pattern in this patient represents the probable UIP pattern.
