PMC5301130_01
Large pedunculated polyp (3 x 6 cm) in the first section of the duodenum with stigmata of recent hemorrhage which almost occluded the duodenal lumen completely.
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F1
The emergency EGD revealed a large pedunculated polyp (3 x 6 cm) in the first section of the duodenum with stigmata of recent hemorrhage which almost occluded the duodenal lumen completely (Fig. 1).
Endoscopic resection with a 30-mm standard snare.
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F2
This procedure was repeated 3 times until the bulk seemed to be removed (Fig. 2, Fig. 3).
The Brunner's gland hyperproliferation was extended within the submucosa with a distance of 1-2 mm to the muscularis.
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F4
The Brunner's gland hyperproliferation was extended within the submucosa with a distance of 1-2 mm to the muscularis (Fig. 4), though the endoscopic examination showed a strong vascularity of the submucosal lesions.