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- Silica exposure and work-relatedness evaluation for occupational cancer in Korea
- Hyoung-Ryoul Kim, Boowook Kim, Bum Seak Jo, Ji-Won Lee
- Ann Occup Environ Med 2018;30:4. Published online January 31, 2018
- DOI: https://doi.org/10.1186/s40557-018-0216-1
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Abstract
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ePub Crystalline silica has been classified as a definite carcinogen (Group 1) causing lung cancer by the International Agency for Research on Cancer (IARC). In Korea, crystalline silica has been the most common causal agent for workers to apply to the Korea Workers’ Compensation and Welfare Service (KWCWS). We used KWCWS data to evaluate workers’ crystalline silica exposure levels according to their occupations and industries, and reviewed research papers describing the dose-response relationship between cumulative exposure levels and lung cancer incidence. In addition, we reviewed lung cancer cases accepted by the KWCWS, and suggest new criteria for defining occupational cancer caused by crystalline silica in Korea. Rather than confining to miners, we propose recognizing occupational lung cancer whenever workers with pneumoconiosis develop lung cancer, regardless of their industry. Simultaneous exposure and lag time should also be considered in evaluations of work-relatedness.
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Citations
Citations to this article as recorded by
- The association between lung cancer and silicosis: from theory to practice in occupational medicine
Marina Ruxandra Oțelea
Romanian Journal of Occupational Medicine.2022; 73(1): 45. CrossRef - Occupational exposure to respirable crystalline silica in municipal household waste collection and road cleaning workers
Boowook Kim, Eunyoung Kim, Wonseok Cha, Jungah Shin, Byung-Soon Choi, Daeho Kim, Miyeon Kim, Wonyang Kang, Sungwon Choi
Scientific Reports.2021;[Epub] CrossRef - Neuroprotective effects of sonochemical- synthesized SiO2 nanoparticles in vivo models of ischemic/reperfusion injury in stroke
Chengcheng Cui, Dayong Shen, Dandan Zuo, Xinchun Ye
Arabian Journal of Chemistry.2021; 14(11): 103416. CrossRef - Break-even Analysis of Respirable Crystalline Silica (RCS) Exposure Interventions in the Construction Sector
Emile Tompa, Amirabbas Mofidi, Chaojie Song, Victoria Arrandale, Katherine J. Jardine, Hugh Davies, Thomas Tenkate, Paul A. Demers
Journal of Occupational & Environmental Medicine.2021; 63(11): e792. CrossRef - Subradiological silicosis
Rodney Ehrlich, Jill Murray, David Rees
American Journal of Industrial Medicine.2018; 61(11): 877. CrossRef
- The association between lung cancer and silicosis: from theory to practice in occupational medicine
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Case Report
- Two Cases of Lung Cancer in Foundry Workers
- Inchul Jeong, Innshil Ryu, Boowook Kim, Inhyo Park, Jong-Uk Won, Eun-A Kim, Inah Kim, Jaehoon Roh
- Ann Occup Environ Med 2013;25:16-16. Published online September 16, 2013
- DOI: https://doi.org/10.1186/2052-4374-25-16
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Abstract
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Background Iron and steel foundry workers are exposed to various toxic and carcinogenic substances including crystalline silica, polycyclic aromatic hydrocarbons, and arsenic. Studies have been conducted on lung cancer in iron and steel founding workers and the concentration of crystalline silica in foundries; however, the concentration of crystalline silica and cases of lung cancer in a single foundry has never been reported in Korea. Therefore, the authors report two cases of lung cancer and concentration of crystalline silica by the X-ray diffraction method.
Case presentation A 55-year-old blasting and grinding worker who worked in a foundry for 33 years was diagnosed with lung cancer. Another 64-year-old forklift driver who worked in foundries for 39 years was also diagnosed with lung cancer. Shot blast operatives were exposed to the highest level of respirable quartz (0.412 mg/m3), and a forklift driver was exposed to 0.223 mg/m3.
Conclusions The lung cancer of the two workers is very likely due to occupationally related exposure given their occupational history, the level of exposure to crystalline silica, and epidemiologic evidence. Further studies on the concentration of crystalline silica in foundries and techniques to reduce the crystalline silica concentration are required.
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