Inverted cystic tubulovillous adenoma involving Brunner’s glands of duodenum

Figure 1 A: Gastroduodenoscopic examination and polypectomy. 1.1 cm sized, centrally depressed, sessile tumor was seen in the contralateral portion to the ampulla of Vater; B: After submucosal injection with a mixture of saline, epineprine and indigocarmine, snare polypectomy was successfully performed.