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Increased risk for small cell lung cancer following residential exposure to low-dose radon: A pilot study

Journal Article · · Archives of Environmental Health; (United States)
;  [1]; ;  [2];  [3];  [4]
  1. Chaim Sheba Medical Center, Tel Hashomer (Israel)
  2. National Nuclear Research Center, Nahal Soreq (Israel)
  3. Tel Aviv Univ. (Israel)
  4. Chaim Sheba Medical Center, Tel Hashomer (Israel) Tel Aviv Univ. (Israel)
Alpha track radon detectors were placed in the homes of 35 lung cancer patients and 35 matched controls for a period of 8 to 10 mo. Twenty lung cancer patients had small cell lung carcinoma; 11 had adenocarcinoma, 2 had squamous cell carcinoma, and 2 had unclassified carcinoma among 15 nonsmokers. Mean overall living on ground level was significantly higher in the group with small cell lung carcinoma (50 y [+-] 15) than among controls (33 y [+-] 19); the adjusted odds ratio for lung cancer was 5.2 (90% confidence interval [90% CI] = 1.1--24.9) per decade of living on the ground floor for the group with small cell lung carcinoma. Radon exposure of more than 1.0 pci/l in the group with small cell lung carcinoma was associated with increased risk of lung cancer, although it did not reach statistical significance [odds ratio = 1.5 (90% CI = 0.4--5.4)], adjusting for differences in smoking habits. The study supports the presence of a differentially increased risk for small cell lung carcinoma following long-term radon exposure. 12 refs., 2 tabs.
OSTI ID:
5694109
Journal Information:
Archives of Environmental Health; (United States), Journal Name: Archives of Environmental Health; (United States) Vol. 48:4; ISSN 0003-9896; ISSN AEHLAU
Country of Publication:
United States
Language:
English