Table 2 Newly recognized pneumoconioses
From: Imaging diagnosis of classical and new pneumoconiosis: predominant reticular HRCT pattern
Agent | Causative agent | Characteristic histopathology | CT findings |
|---|---|---|---|
Indium lung | Indium-tin oxide | Interstitial fibrosis, PAP, emphysema | Ground-glass opacities, centrilobular nodules, traction bronchiectasis, crazy-paving appearance, LAA |
Nylon flock worker’s lung | Nylon fibers | NSIP with lymphocytic bronchiolitis, DIP | Diffuse micronodular opacities, patchy consolidation, honeycombing |
Flavor worker’s lung (Popcorn worker’s lung) | Diacetyl | BO | Mosaic attenuation (air trapping) |
World-trade center lung | Complex amalgam, fiberglass, fly ash, silica, asbestos, etc | Asthmatic bronchiolitis, BO, AEP, sarcoid-like granulomatosis | Mosaic attenuation (air trapping), peripheral consolidation, diffuse micronodules |
Nanoparticles | Carbon nanotubes, etc | Interstitial fibrosis | Patchy ground-glass opacities, centrilobular nodules, traction bronchiectasis |
Ardystil syndrome | Acramin-FWN | OP | Peripheral predominant patchy consolidation |