Table 5.

Other CT findings among COPD patients

CT findings	Frequency, n (%)
Parenchymal lung abnormalities (decreased lung attenuation)
Pulmonary emphysema	59 (81.9)
Centrilobular emphysema	52 (88.13)
Paraseptal emphysema	34 (57.62)
Panlobular emphysema	14 (23.72)
Parenchymal lung abnormalities (increased lung attenuation)
Solid and ground-glass pulmonary nodules	62 (86.11)
Small airway abnormalities
Tree-in-bud appearance (centrilobular nodules and bronchiolectasis)	10 (13.89)
Air trapping	48 (66.67)
Large airway abnormalities
Tracheobronchomalacia	10 (13.89)
Extra-pulmonary and vascular abnormalities
Lymph node enlargement	14 (19.4)
Calcified aorta	67 (93.05)
Coronary artery calcification	60 (83.33)
Pulmonary hypertension	13 (18.05)

Abbreviation: CT, computed tomography.