Author:
Kamiza Abram Bunya,Wang Wen-Chang,You Jeng-Fu,Tang Reiping,Chien Huei-Tzu,Lai Chih-Hsiung,Chiu Li-Ling,Lo Tsai-Ping,Hung Kuan-Yi,Hsiung Chao A.,Yeh Chih-Ching
Abstract
AbstractPatients with Lynch syndrome have a high risk of colorectal cancer (CRC). In this study, we estimated the age- and sex-specific cumulative risks of CRC in Han Chinese patients with Lynch syndrome caused by the pathogenic germline mutations in MLH1 or MSH2 in Taiwan. Based on 321 mutation carriers and 419 non-mutation carriers from 75 pedigrees collected in an Amsterdam criteria family registry in Taiwan, the age- and sex-specific cumulative risks of CRC in male carriers of mutation in MLH1 and MSH2 at the age of 70 years were 60.3% (95% confidence interval (CI) = 31.1%–89.9%) and 76.7% (95% CI = 37.2%–99.0%), respectively. For females, the cumulative risks of CRC at the age of 70 were estimated to be 30.6% (95% CI = 14.3%–57.7%) and 49.3% (95% CI = 21.9%–84.5%) in the carriers of MLH1 and MSH2 germline mutations, respectively. In conclusion, the cumulative risks of CRC at the age of 70 in the Han Chinese patients is higher in mutation carriers than non-mutation carriers and male mutation carriers have a higher cumulative risk of developing CRC than the female mutation carriers.
Funder
National Science Council, Executive Yuan, Taiwan
Ministry of Science and Technology, Taiwan
Health and Welfare Surcharge of Tobacco Products
Publisher
Springer Science and Business Media LLC
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