[Morphological changes in the nasal mucosa of workers in occupations exposed to dust]

Cotton and flux industrial dust causes chronic catarrhal inflammation in the nose mucous membrane which manifests itself clinically as vasomotor rhinitis. Quartz-containing dust entails chronic sclerosing inflammation of the same locality as sub- and atrophic rhinitis. The results of pathohistologic investigations are objectively demonstrated through a chart of morphological traits, thus facilitating the identification of the diagnostical morphological traits caused by different industrial dusts. The research results contribute to further objective data on the occupational genesis of the upper respiratory tract diseases.