PMID: 687001Jan 1, 1978Paper

Pathologic anatomy of experimental pneumoconiosis induced by coal dust in different stages of metamorphism

Arkhiv patologii
A E Shkutin, I A Miakishev


The paper presents the results of investigations of experimental pneumoconiosis caused by inhalational administration of coal dust of the III and IV stages of metamorphism, of the similar petrographic composition without quartz admixtures. Coal dust of the IV stage of metamorphism was found to have more marked fibrogenic properties. Within 6-9 months, fibro-dust foci, destructive bronchites and pulmonary emphysema developed. Coal dust of the III stage of metamorphism within the same period causes only the development of cellular-dust foci, catarrhal bronchitis, and slightly manifest emphysema.

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