1192 The Safety, Efficacy, and Outcomes for the Endoscopic Resection of Large Non-Ampullary Duodenal Polyps in Familial Adenomatous Polyposis (FAP)

INTRODUCTION: Nearly all patients with FAP will develop duodenal adenomas. Duodenal cancer is the leading cause of death in patients with FAP after colectomy. Risk of duodenal cancer can be predicted by the Spigelman staging (SS) system. Endoscopic resection (ER) of larger duodenal polyps is technically challenging because of the duodenum’s thin wall, narrow lumen, multiple folds, and increased vascularity. However, successful removal of these...