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稀土元素对产生肺部病理性损伤究竟起何种作用尚不清楚。Heuck和Hoschek(1968)描述了三例碳弧灯操作工吸入铈尘引起肺铈尘沉着症的病例,Nappee等(1972)描述了两个患有肺粟粒状结节的病例,作者认为是由于吸入了氧化铈。本文所报告的是一个英国病例,他很可能是患铈尘沉着症。胸部X光片表明,整个肺部有很多分散结节的阴影,主要密集在每侧肺的中部结节非常暗,这种情形与职业性粉尘接触一致。用1971年ILOU/C分类法可分为Category 22 Q。患者在含有稀土浓缩物的环境中工作了10年以上,分析证明,工作环境的空气中含有稀土微粒,主要是铈,未发现游离
Rare earth elements to produce pulmonary pathological damage what kind of role is unclear. Heuck and Hoschek (1968) described three cases of cerium dust caused by inhalation of cerium dust by carbon arc lamp operators. Nappee et al. (1972) described two cases of pulmonary miliary nodules, which the authors concluded was due to Inhaled ceria. This article reports a case of the British who is most likely suffering from CE-Dust. Chest radiographs show the shadow of many scattered nodules throughout the lungs, which are mostly dark in the central nodules of each lung, consistent with occupational dust exposure. With the 1971 ILOU / C classification can be divided into Category 22 Q. The patient worked in an environment containing a rare earth concentrate for more than 10 years and the analysis showed that the air in the working environment contained rare earth particles, mainly cerium, with no free