Fig. 1
From: Non-ampullary duodenal neuroendocrine tumours – a tertiary referral centre experience
Endoscopic appearances of non-ampullary duodenal neuroendocrine tumours (duodenal NET) (a) IIa + c 12 mm lesion in the second part of the duodenum with convergence of folds, these are high risk features for deep invasion and not suitable for endoscopic resection, (b) 1 s lesion in the duodenal bulb with erythematous central ulceration (c) 5 mm submucosal lesion in duodenal bulb.
