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

Table 2 Baseline endoscopic and histopathological characteristics (n = 79), mean ± SD

	n (%)
Baseline endoscopic characteristics:
Number of lesions
1/2/≥ 3	68 (86.1)/5 (6.3)/6 (7.6)
Mean size, mm	31.9 ± 19.2
Location
Cardia/fundus	21 (26.6)
Greater curvature	18 (22.8)
Lesser curvature	8 (10.1)
Antrum	29 (36.7)
Pylorus	3 (3.8)
Gross morphology (Paris classification)
0-Ip	10 (12.7)
0-Is	17 (21.5)
0-IIa	22 (27.8)
0-IIb	2 (2.5)
0-IIc	6 (7.6)
0-IIa+IIc	20 (25.4)
0-Is+IIc	2 (2.5)
Color
Reddish	41 (51.9)
Same as background mucosa	20 (25.3)
Ulcerated/erosive	16 (20.3)
Whitish	2 (2.5)
Treatment
EMR	14 (17.7)
ESD	65 (82.3)
Histopathological characteristics:
Histological subtype
Intestinal	49 (62.0)
Foveolar	23 (29.1)
Pyloric	6 (7.6)
Oxyntic	1 (1.3)
Helicobacter pylori infection
Negative	56 (70.9)
Past infection	18 (22.8)
Current infection	4 (5.1)
Mean size of resected specimen, mm	37.7 ± 34.3
Underlying stomach
Normal	11 (13.9)
Atrophic gastritis	39 (49.4)
Intestinal metaplasia	29 (36.7)
Worst histology
LGD	22 (27.8)
HGD	18 (22.8)
Intramucosal adenocarcinoma (T1a)	21 (26.6)
Submucosal carcinoma (T1b)	18 (22.8)
Resection completeness
Histologically complete (R0)	73 (92.4)
Piecemeal	5 (6.3)
Failed endoscopic resection	1 (1.3)

EMR: Endoscopic submucosal resection; ESD: Endoscopic submucosal dissection; LGD: Low-grade dysplasia; HGD: High grade dysplasia.