Abstract:
:The remaining tissue of the tracheobronchial tree from 210 men who died from lung cancer was studied to compare the histologic alterations leading to further sites of primary cancer. These men were uranium miners matched with nonminers for age and smoking habits. In the examination of a total of 28,928 cross-sections carcinoma in situ was found in 96% of the miners and in 92% of the nonminers. The number of slides from miners showing degree 2 or 3 atypia in areas of carcinoma in situ was about double the number found from the nonminers. Although the difference was not statistically significant, 32% of the miners had at least one section showing early primary invasive carcinoma compared with 22% of the nonminers. The data indicate that the synergistic effect of the exposure to uranium dust along with cigarette smoking increases the risk of lung cancer and that in addition to a main tumor mass, other sites of tissue alterations leading to tumor development are frequently already present in the lung.
journal_name
Cancerjournal_title
Cancerauthors
Auerbach O,Saccomanno G,Kuschner M,Brown RD,Garfinkel Ldoi
10.1002/1097-0142(197808)42:2<483::aid-cncr2820420subject
Has Abstractpub_date
1978-08-01 00:00:00pages
483-9issue
2eissn
0008-543Xissn
1097-0142journal_volume
42pub_type
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