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我院25年来,先后收治花园山采石厂矽肺(含矽肺结核)并发肺癌15例。该厂1958年建厂,主要生产建筑用各种规格的碎石和石料,该石料硬度强,游离SiO_2含量高达85～95％。生产作业环境恶劣,基本上是干式作业,空气中粉尘浓度高达4,000mg/m~3;运输区矽尘浓度200～400mg/m~3。至1985年止,二十几年来对682名职工进行了普查,诊断矽肺282名(其中矽肺结核110名),发现肺癌15例,占5.32％(单纯矽肺并发肺癌11例;矽肺结核并发肺癌4例)。无矽肺者400名,合并肺癌
In our hospital for 25 years, we have treated 15 cases of silicosis (including silicosis tuberculosis) and lung cancer in Garden Hill quarry. The plant was established in 1958, the main production of construction with a variety of gravel and stone, the stone hardness, free SiO2 content as high as 85 to 95%. The production environment is harsh, basically dry operation, the concentration of dust in the air is as high as 4,000mg / m ~ 3; the concentration of silicon dust in the transportation area is 200 ~ 400mg / m ~ 3. By 1985, 682 workers were surveyed over the past two decades for 282 silicosis cases (110 silicosis cases), 15 cases of lung cancer (accounting for 5.32%), 11 cases of silicosis complicated with lung cancer, 4 cases of silicosis and lung cancer 4 example). No silicosis of 400, with lung cancer