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Cumulative risks of colorectal cancer in Han Chinese patients with Lynch syndrome in Taiwan.

ABSTRACT: Patients 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.

SUBMITTER: Kamiza AB 

PROVIDER: S-EPMC8076276 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Cumulative risks of colorectal cancer in Han Chinese patients with Lynch syndrome in Taiwan.

Kamiza Abram Bunya AB   Wang Wen-Chang WC   You Jeng-Fu JF   Tang Reiping R   Chien Huei-Tzu HT   Lai Chih-Hsiung CH   Chiu Li-Ling LL   Lo Tsai-Ping TP   Hung Kuan-Yi KY   Hsiung Chao A CA   Yeh Chih-Ching CC  

Scientific reports 20210426 1

Patients 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 M  ...[more]