Short- and long-term outcomes after endoscopic resection of sporadic nonampullary duodenal tumors: An 11-year single-center retrospective study

doi:10.4251/wjgo.v18.i3.115737

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World Journal of Gastrointestinal Oncology

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1948-5204

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastrointest Oncol. Mar 15, 2026; 18(3): 115737
Published online Mar 15, 2026. doi: 10.4251/wjgo.v18.i3.115737

Table 2 Clinical characteristics and short-term outcomes of different resection groups, n (%)

	EMR (n = 66)	ESD (n = 26)	ESD-S (n = 32)	Statistic value	P value
Age, years	63.0 ± 9.4	55.7 ± 9.4	57.2 ± 12.3	F = 6.314	0.002
Gender, male/female	39/27	15/11	17/15	χ² = 0.316	0.859
Tumor location				χ² = 1.221	0.946
Bulb	21	7	9
Descending segment	44	19	23
Horizontal segment	1	0	0
Tumor size, cm	1.16 (0.99-1.32)	1.50 (1.16-1.83)	1.13 (0.87-1.38)	F = 2.498	0.087
Procedure time, minute	5.8 (4.4-7.2)	50.7 (35.3-66.2)	32.6 (20.0-45.1)	Hc = 78.517	< 0.001
Pathology
Adenoma/adenocarcinoma	53 (80.3)	19 (73.1)	24 (75.0)	χ² = 0.702	0.743
Brunner’s gland adenoma	12 (18.2)	1 (3.8)	2 (6.3)	χ² = 4.991	0.083
Neuroendocrine tumor	1 (1.5)	5 (19.2)	6 (18.6)	χ² = 10.759	0.006
Follicular lymphoma	0 (0)	1 (3.8)	0 (0)	χ² = 3.800	0.210
En bloc resection	58 (87.9)	26 (100)	30 (93.8)	χ² = 3.888	0.129
Complete resection	58 (87.9)	21 (80.8)	28 (87.5)	χ² = 0.850	0.734
Adverse events
Intraprocedural perforation	0 (0)	0 (0)	1 (3.1)	χ² = 2.898	0.468
Delayed perforation	1 (1.5)	0 (0)	3 (9.4)	χ² = 5.361	0.081

EMR: Endoscopic mucosal resection; ESD: Endoscopic submucosal dissection; ESD-S: Endoscopic submucosal dissection with snare.

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Citation: Yu H, Rong L, Cai YL, Liu GY, Guo XY. Short- and long-term outcomes after endoscopic resection of sporadic nonampullary duodenal tumors: An 11-year single-center retrospective study. World J Gastrointest Oncol 2026; 18(3): 115737
URL: https://www.wjgnet.com/1948-5204/full/v18/i3/115737.htm
DOI: https://dx.doi.org/10.4251/wjgo.v18.i3.115737

Yu H, Rong L, Cai YL, Liu GY, Guo XY. Short- and long-term outcomes after endoscopic resection of sporadic nonampullary duodenal tumors: An 11-year single-center retrospective study. World J Gastrointest Oncol 2026; 18(3): 115737 [DOI: 10.4251/wjgo.v18.i3.115737]

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