Follicular Bronchiolitis: Two Cases with Varying Clinical and Radiological Presentation

Figure 4

(a) Low-power image of the lung showing numerous lymphoid follicles with germinal centers surrounding the small airways. The interstitium away from the airways is relatively spared of inflammation, and cyst formation is not prominent. (b) High-power image of the bronchiole is similar to patient 1.

(a)

(b)