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Occupational Lymphohematopoietic Cancer in Korea

Authors
Kim, Eun-ALee, Won JinSon, MiaKang, Seong-Kyu
Issue Date
Dec-2010
Publisher
KOREAN ACAD MEDICAL SCIENCES
Keywords
Occupational Cancer; Lymphohematopoietic; Benzene; Population Attributable Fraction
Citation
JOURNAL OF KOREAN MEDICAL SCIENCE, v.25, pp.S99 - S104
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF KOREAN MEDICAL SCIENCE
Volume
25
Start Page
S99
End Page
S104
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/115255
DOI
10.3346/jkms.2010.25.S.S99
ISSN
1011-8934
Abstract
The purpose of this study was to review the existing studies on lymphohematopoietic (LHP) cancer in Korea, estimate the prevalence of workers exposed to carcinogens, and determine the population attributable fraction (PAF) of leukemia. Two case series and 4 case reports were reviewed. Using official statistics, the prevalence of benzene exposure and ionizing radiation exposure was estimated. Based on the prevalence of exposure and the relative risk, The PAF of leukemia was calculated. Between 1996 and 2005, 51 cases of LHP cancer were reported from the compensation system. Greater than 50% of occupational LHP cancer was leukemia, and the most important cause was benzene. In a cohort study, the standardized incidence ratio was 2.71 (95% CI, 0.56-7.91). The prevalence of exposure was 2.5% and 2.2% in 1995 and 2000, respectively. Using the 1995 prevalence, 3.6-4.8% and 0.1% of cases with leukemia were attributable to benzene and ionizing radiation exposure, respectively, which resulted in 39.7-51.4 cases per year. Benzene is the most important cause of occupational leukemia in Korea. Considering the estimated PAF in this study, the annual number of occupational LHP cancer (51 cases during 10-yr period), might be under-reported within the compensation system.
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