Hereditary and familial colon cancer - PubMed (original) (raw)

Review

Hereditary and familial colon cancer

Kory W Jasperson et al. Gastroenterology. 2010 Jun.

Abstract

Between 2% to 5% of all colon cancers arise in the setting of well-defined inherited syndromes, including Lynch syndrome, familial adenomatous polyposis, MUTYH-associated polyposis, and certain hamartomatous polyposis conditions. Each is associated with a high risk of colon cancer. In addition to the syndromes, up to one-third of colon cancers exhibit increased familial risk, likely related to inheritance. A number of less penetrant, but possibly more frequent susceptibility genes have been identified for this level of inheritance. Clarification of predisposing genes allows for accurate risk assessment and more precise screening approaches. This review examines the colon cancer syndromes, their genetics and management, and also the common familial colon cancers with current genetic advances and screening guidelines.

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Figures

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Figure 2

Figure 2

The figure illustrates how many genetic variants play both overlapping and different roles in different clinical and genetic settings. There are also multiple gene-gene and gene environmental interactions in these categories.

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