Clinical outcome of endoscopic mucosal resection of sporadic, nonampullary duodenal adenoma: a 10-year retrospective

Sporadic non-ampullary duodenal adenomas (SNADAs), although uncommon, pose clinical challenges. Because SNADAs have malignant potential, endoscopic or surgical resection is generally recommended. Endoscopic mucosal resection (EMR) is increasingly used for resection of SNADAs, but large-scale data on natural history after EMR are scarce. In this study, we aimed to evaluate the clinical outcome of EMR for SNADAs and the natural history after EMR from a large single-operator experience with dedicated follow-up.

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