Among 4608 evaluated post mortem records (3452 miners with silicosis and 1156 miners without silicosis or nonminers resp.) 501 cases had developed a bronchial carcinoma. 425 of these observed cases showed a bronchial carcinoma together with silicosis, 76 cases were without anthracosilicosis. The occurrence of the bronchial carcinoma in case of anthracosilicosis did not depend on the time of employment in the underground mining industry. Neither was there a correlation between the determined grade of anthracosilicosis and the frequency of bronchial carcinoma. The diagnosis for 2,8% of these combined cases of anthracosilicosis and bronchial carcinoma was silicotic carcinoma of scar tissue. Statistically no signficant differences could be detected between the two groups of bronchial carcinomata with and without silicosis regarding age structure, kind of propagation and histological type of the bronchial carcinoma.
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