The study population consisted of subjects, aged in their 40s, who underwent colonoscopy.
Their family histories of cancer were collected with a self-administered questionnaire. A logistic
regression model was used to assess the association between a family history of cancer and the risk of
colorectal polyp.
were risk factors for the development of sporadic colorectal adenomatous polyps in these patients. A
multivariate analysis showed that a family history of CRC or kidney cancer was associated with adenoma
development. A family history of CRC was also a risk factor for advanced and multiple adenoma.
Conclusions: This study shows that a family history of CRC is a risk factor for advanced and multiple
colorectal adenoma in people in their 40s. These results support earlier screening for colorectal
neoplasms in individuals with a family history of CR