Clonorchis sinensis infection and increasing risk of cholangiocarcinoma in the Republic of Korea |
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Authors: | Lim Min Kyung Ju Young-Hee Franceschi Silvia Oh Jin-Kyoung Kong Hyun-Joo Hwang Seung-Sik Park Sue-Kyung Cho Sung-Il Sohn Woon-Mok Kim Dong-Il Yoo Keun-Young Hong Sung-Tae Shin Hai-Rim |
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Affiliation: | Research Institute for National Cancer Control and Evaluation, National Cancer Center, Goyang, Gyeonggi, Republic of Korea. |
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Abstract: | To evaluate the prevalence and risk factors of Clonorchis sinensis infection, an epidemiologic survey was performed (3,169 residents; age range: 30-87 years; mean age = 59; 1,973 women) in three areas with different mortality rates of cholangiocarcinoma. C. sinensis prevalence was 2.1% in Chuncheon, 7.8% in Chungju, and 31.3% in Haman, where cholangiocarcinoma incidence rate was 0.3, 1.8, and 5.5 per 100,000 persons, respectively. Of the four major risk factors for C. sinensis (male sex, alcohol consumption, raw freshwater fish intake, and area of residence), area was the strongest. Efforts to discourage raw freshwater fish intake, treat egg carriers, and protect water sources from C. sinensis contamination should be strengthened in the Republic of Korea. |
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