Familial adenomatous polyposis

Adenomatous Polyposis Coli; Adenomatous Polyposis of the Colon; Colon cancer, familial; FAP; Hereditary Polyposis Coli; Polyposis coli

Familial adenomatous polyposis (FAP) is an inherited condition in which numerous polyps form mainly in the epithelium of the large intestine. While these polyps start out benign, malignant transformation into colon cancer occurs 100% of the time when not treated. Signs and symptoms From early adolescence and onwards, patients with this condition develop hundreds to thousands of polyps. These may bleed, leading to blood in the stool. If the blood is not visible, it is still possible for ...