Do we know enough?—sporadic non-ampullary duodenal neoplasms (SNADNs)

Management of sporadic, non-ampullary duodenal neoplasms (SNADNs) has been a topic of increasing interest over the last decade due to increased recognition of these lesions, in part because of increase in surveillance and also with development of advanced endoscopic imaging including narrow band imaging, high resolution white light endoscopy with magnification and chromo-endoscopy.