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Jandos Amankulov 1 Article
Lung Cancer Screening With Low-dose Chest Computed Tomography: Experience From Radon-contaminated Regions in Kazakhstan
Alexandra Panina, Dilyara Kaidarova, Zhamilya Zholdybay, Akmaral Ainakulova, Jandos Amankulov, Dias Toleshbayev, Zhanar Zhakenova, Arman Khozhayev
J Prev Med Public Health. 2022;55(3):273-279.   Published online April 14, 2022
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AbstractAbstract PDF
The aim of this study was to present the baseline results of a pilot project conducted to evaluate the effectiveness of lung cancer screening using low-dose chest computed tomography (CT) in regions with excessive radon levels in the Republic of Kazakhstan.
In total, 3671 participants were screened by low-dose chest CT. Current, former, and never-smokers who resided in regions with elevated levels of radon in drinking water sources and indoor air, aged between 40 and 75 with no history of any cancer, and weighing less than 140 kg were included in the study. All lung nodules were categorized according to the American College of Radiology Lung Imaging Reporting and Data System (Lung-RADS 1.0).
Overall, 614 (16.7%) participants had positive baseline CT findings (Lung-RADS categories 3 and 4). Seventy-four cancers were detected, yielding an overall cancer detection rate of 2.0%, with 10.8% (8/74) stage I and a predominance of stage III (59.4%; 44/74). Women never-smokers and men current smokers had the highest cancer detection rates, at 2.9% (12/412) and 6.1% (12/196), respectively. Compared to never-smokers, higher odds ratios (ORs) of lung cancer detection were found in smokers (OR,2.48; 95% confidence interval [CI], 1.52 to 4.05, p<0.001) and former smokers (OR, 2.32; 95% CI, 1.06 to 5.06, p=0.003). The most common histologic type of cancer was adenocarcinoma (58.1%).
Implementation of low-dose CT screening for lung cancer in regions with elevated radon levels is an effective method for both smokers and never-smokers.


Citations to this article as recorded by  
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    Singapore Medical Journal.2024;[Epub]     CrossRef
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    Cancer Treatment Reviews.2023; 116: 102544.     CrossRef
  • Performance of Lung-RADS in different target populations: a systematic review and meta-analysis
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    European Radiology.2023; 34(3): 1877.     CrossRef

JPMPH : Journal of Preventive Medicine and Public Health