Full Colonoscopy in retroflexed maneuver in a familial adenomatous polyposis coli

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06/25/23

A full colonoscopy performed from the cecum to the rectum in retroflexed maneuver in a familial adenomatous polyposis coli

Classic familial adenomatous polyposis (called FAP or classic FAP) is a genetic condition. It is diagnosed when a person develops more than 100 adenomatous colon polyps. An adenomatous polyp is an area where normal cells that line the inside of a person's colon begin to make mucous and form a mass on the inside of the intestinal tract. The average age for polyps to develop in people with FAP is in the mid-teens. More than 95% of people with FAP will have multiple colon polyps by age 35. If FAP is not recognized and treated, there is almost a 100% chance that a person will develop colorectal cancer. The risk of colon cancer is 87% by age 45.

There is also an increased chance of developing cancer in the stomach and/or small intestines. Other types of cancer found in families with FAP include hepatoblastoma (a type of liver cancer seen in young children); papillary thyroid cancer; pancreatic, adrenal, and bile duct cancers; and a low risk of a type of brain cancer called medulloblastoma.