Subtype-specific risk factors for gastric adenomas and independent predictors of recurrence after endoscopic resection

Figure 1  The study flow diagram.

Figure 2 White-light endoscopic and H&E-stained microscopy images of different subtypes of gastric adenomas. A: Endoscopic image (intestinal adenoma); B: Intestinal metaplasia and intestinal adenoma with intramucosal carcinoma (intestinal adenoma); C: Chronic atrophic gastritis with intestinal metaplasia (intestinal adenoma); D: Endoscopic image (foveolar adenoma); E: Foveolar adenoma; F: Chronic gastritis with foveolar hyperplasia (foveolar adenoma); G: Endoscopic image (pyloric adenoma); H: Pyloric adenoma; I: Low-grade dysplasia with intestinal metaplasia (pyloric adenoma).

Figure 3 Postendoscopic resection recurrence rates according to each subtype of gastric adenoma. A high postendoscopic resection recurrence rate was observed in the foveolar group (20% at 1 year, 28% at 2 years) compared with the pyloric group (0% at 1 year, 20% at 2 years) and the intestinal group (0% at 1 year, 14% at 2 years); however, the difference was not statistically significant (log rank P = 0.19). ER: Endoscopic resection.