A binational panel of Japanese and American pulmonary pathologists reviewed tissue slides of lung cancer cases diagnosed among Japanese A-bomb survivors and American uranium miners and classified the cases according to histological subtype. Blind reviews were completed on slides from 92 uranium miners and 108 A-bomb survivors, without knowledge of population, sex, age, smoking history, or level of radiation exposure. Consensus diagnoses were obtained with respect to principal subtype, including squamous-cell cancer, small-cell cancer, adenocarcinoma, and less frequent subtypes. The results were analyzed in terms of population, radiation dose, and smoking history. As expected, the proportion of squamous-cell cancer was positively related to smoking history in both populations. The relative frequencies of small-cell cancer and adenocarcinoma were very different in the two populations, but this difference was accounted for adequately by differences in radiation dose or, more specifically, dose-based relative risk estimates based on published data. Radiation-induced cancers appeared more likely to be of the small-cell subtype, and less likely to be adenocarcinomas, in both populations. The data appeared to require no additional explanation in terms of radiation quality (α particles vs γ rays), uniform or local irradiation, inhaled vs external radiation source, or other population difference.
Radiation-Associated Lung Cancer: A Comparison of the Histology of Lung Cancers in Uranium Miners and Survivors of the Atomic Bombings of Hiroshima and Nagasaki
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Charles E. Land, Yukio Shimosato, Geno Saccomanno, Shoji Tokuoka, Oscar Auerbach, Ryuhei Tateishi, S. Donald Greenberg, Shigeru Nambu, Darryl Carter, Suminori Akiba, Robert Keehn, Patricia Madigan, Thomas J. Mason, Masayoshi Tokunaga; Radiation-Associated Lung Cancer: A Comparison of the Histology of Lung Cancers in Uranium Miners and Survivors of the Atomic Bombings of Hiroshima and Nagasaki. Radiat Res 1 May 1993; 134 (2): 234–243. doi: https://doi.org/10.2307/3578464
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