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职业性肺癌是接触砷、石棉、铍、铬酸盐、羰酰镍、放射性矿石、氡、煤焦油及从炼焦炉排出的烟雾后发生的。由于癌的临床症状及体征出现较晚,人们企图研究痰细胞学在早期诊断上的价值。本文作者主要探讨了痰细胞学在诊断职业性肺疾患中的作用。细胞学家一致认为支气管上皮细胞从纤毛柱状过渡到鳞状上皮的改变(化生)虽不具特异性,但对支气管癌具有预告作用。本文作者引用了对一个铀矿的调查,
Occupational lung cancer occurs after exposure to arsenic, asbestos, beryllium, chromates, nickel carbonyls, radioactive ores, radon, coal tar and smoke emitted from coke ovens. Because of clinical signs and symptoms of cancer appear late, people are trying to study the value of sputum cytology in the early diagnosis. The author of this paper mainly discusses the role of sputum cytology in the diagnosis of occupational lung disease. Cytologists agree that bronchial epithelial cells from the ciliated columnar transition to the squamous epithelium changes (metaplasia), although not specific, but the prognosis of bronchial cancer. The author cites a survey of a uranium deposit,