While the term bronchiolitis in itself implies "inflammation" of the bronchioles by definition, some authors group the term inflammatory bronchiolitis as a specific group in terms of imaging as distinct from the more fibrotic - constrictive type 1.
Conditions that are described under this include
- infective bronchiolitis - infectious bronchiolitis
- bronchiolitis associated with hypersensitivity pneumonitis
- respiratory bronchiolitis - respiratory bronchiolitis-interstitial lung disease (RB-ILD)
- follicular bronchiolitis
- panbronchiolitis
- bronchiolitis with associated bronchiectasis/bronchiolectasis
Other conditions that may fall under this may include:
- aspiration bronchiolitis 2
- immunotherapy-related - e.g. pembrolizumab-associated bronchiolitis 3