Selection of appropriate endoscopic therapies for duodenal tumors: An open-label study, single-center experience

Table 1 Clinical characteristics of 15 endoscopic submucosal dissection and 31 endoscopic mucosal resection performed in 44 patients n (%)

	Total	ESD (n= 15)	EMR (n= 31)	Pvalue
Age, yr, mean ± SD (range)	65 ± 9 (35-79)	68 ± 5 (57-79)	64 ± 10 (35-77)	0.0775
Male/female	24/22	6/9	18/13	0.3480
Location in duodenum				0.0457
Bulb	15 (32.6)	8 (53.3)	7 (22.6)
Second portion	31 (67.4)	7 (46.7)	24 (77.4)
Size, mm, mean ± SD (range)	11.9 ± 9.7 (3-60)	12.9 ± 14.3 (3-60)	11.4 ± 6.7 (4-25)	0.6474
≥ 20 mm	8 (17.4)	2 (13.3)	6 (19.4)
< 20 mm	38 (82.6)	13 (86.7)	25 (80.6)
Macroscopic type				0.0009
Protruded	9 (19.6)	0	9 (29.0)
Elevated	21 (45.6)	4 (26.7)	17 (54.8)
Depressed	7 (15.2)	4 (26.7)	3 (9.7)
SMT	9 (19.6)	7 (46.6)	2 (6.5)
Histology				0.0044
Adenocarcinoma	6 (13.0)	2 (13.3)	4 (12.9)
Adenoma	31 (67.4)	6 (40.0)	25 (80.6)
NET	9 (19.6)	7 (46.7)	2 (6.5)

ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection; SMT: Submucosal tumor; NET: Neuroendocrine tumor.