Home > Gastroenterology > Familial adenomatous polyposis

FAP is a genetic condition which predisposes to colon cancer.

In classic FAP, colon cancer can develop at age 39. While in attenuated FAP, colon cancer can develop by age 55.

The APC gene causes both classic and attenuated FAP. APC is autosomal dominant. The MUTYTH gene is autosomal recessive and can also cause familial adenomatous polyposis.

Please consider an official gastroenterology consult and refer to the sources below.

Sources:
1. FAP Genetics

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