Efficacy and Safety of Exploring Deeper Sections of the Infrapapillary Area of the Duodenum by Using Sedative Esophagogastroduodenoscopy

<div>(a) Flat polyp over the infrapapillary area (arrow). (b) Duodenal villous adenoma with moderate dysplasia composed of dysplastic glandular cells with low-grade dysplasia in villous architecture (H&amp;E, 100x).</div>

Gastroenterology Research and Practice

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Figure 4

Figure 4: Efficacy and Safety of Exploring Deeper Sections of the Infrapapillary Area of the Duodenum by Using Sedative Esophagogastroduodenoscopy 