Pneumoconiosis

Pneumoconiosis(진폐증, Coal workers' pneumoconiosis, CWP)

Image findings

Small nodules, ill defined or well defined, centrilobular and subpleural predominancy(perilymphatic distribution).
Diffuse distribution, with upper lobe and posterior predominance
Conglomerate masses, irregular in shape, containing areas of necrosis
Focal centrilobular emphysema
Progressive massive fibrosis(PMF)
Early manifestation
- Small nodular or branching centrilobular opacities