Progressive massive fibrosis workers’ pneumoconiosis

Chronic bronchitis, pneumoconiosis, obstructive lung disease, focal emphysema, progressive massive fibrosis (PMF), coal workers pneumoconiosis (CWP), siUcosis Acute bronchospasm, pneumonitis, chronic exposure leads to Itmg fibrosis, progressive massive fibrosis (PMF), coal workers pneumoconiosis (CWP), silicosis Ocular and upper airway irritation, bronchospasm in severe exposure, contact dermatitis... 

Fig. 2.1.8. Gough (1-mm paper) section of a lung from a worked with complicated coal worker s pneumoconiosis (progressive massive fibrosis). The arrows show two large lesions. The lesion in the apex has partially cavitated...

Fig. 6.4. Coal worker s pneumoconiosis postero-anterior chest radiograph showing progressive massive fibrosis that produces shrinkage of adjacent lung with hyperexpansion of the lower lobes...

Fig. 6.12. Coal worker s pneumoconiosis computed tomography scan showing early stage progressive massive fibrosis (axial view with slice thickness of 5 mm). Lung opacities larger than 20 mm are considered as a sign of progressive massive fibrosis. Notice the irregular borders...

Lyons JP, Campbell H (1981) Relation between progressive massive fibrosis, emphysema and pulmonary dysfunction in coal worker s pneumoconiosis. Br J Ind Med 38 125-129 Morgan WKC (1984) Coal workers pneumoconiosis. In Morgan WKC, Seaton A (eds) Occupational lung diseases. WB Saunders, Philadelphia, pp 377-448 Nemery B, Brasseur L, Veriter C, Frans A (1987) Impairment of ventilatory function and pulmonary gas exchange in non-smoking coal miners. Lancet 2 1427-1430... 

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