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Τρίτη 24 Απριλίου 2018

The impact of chromoendoscopy for surveillance of the duodenum in patients with MUTYH-associated polyposis and familial adenomatous polyposis

Duodenal polyposis and cancer have become a key issue for patients with familial adenomatous polyposis (FAP) and MUTYH-associated polyposis (MAP). Almost all patients with FAP will develop duodenal adenomas, with 5% developing cancer. The incidence of duodenal adenomas in MAP appears to be lower than in FAP but the limited available data suggest a comparable increase in the relative risk and lifetime risk of duodenal cancer. Current surveillance recommendations, however, are the same for FAP and MAP, using the Spigelman score--incorporating polyp number, size, dysplasia, and histology--for risk stratification and determination of surveillance intervals.

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