Airway Remodelling in Asthma and COPD: Findings, Similarities, and Differences Using Quantitative CT

Figure 2

Right. Thin-section CT image perpendicular to the third generation of the right segmental apical bronchus, from a random patient. Red line indicates the external wall contour, and green line the internal layer. Left. Theoric single intensity curve (blue line) representing voxel attenuation variation along the blue arrow seen in right image.