Effectiveness and safety of modified cold snare polypectomy for flat colorectal polyps: A multicenter randomized controlled trial

doi:10.4240/wjgs.119157

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World Journal of Gastrointestinal Surgery

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1948-9366

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

Randomized Controlled Trial

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 Surg. Jun 27, 2026; 18(6): 119157
Published online Jun 27, 2026. doi: 10.4240/wjgs.119157

Table 2 Comparison of polypectomy-related data between the modified cold snare polypectomy group and the conventional cold snare polypectomy group

Group	Modified cold snare polypectomy group	Conventional cold snare polypectomy group	Statistical measure	P value
Number of polyps (pcs)	95 (n = 184 polyp-based)	89 (n = 184 polyp-based)
Maximum polyps diameter (mm)	6 (6, 7)	6 (6, 7)	Z = -0.243	0.808
Polyps location (pcs)			Z = -0.569	0.569
Cecum	1	6
Ascending colon	14	14
Transverse colon	44	29
Descending colon	12	13
Sigmoid colon	24	26
Rectum	0	1
Pathological type (pcs)			Z = -1.952	0.051
Inflammatory polyps	4	4
Hyperplastic polyps	29	39
Sessile serrated lesions	2	1
Tubular adenomas	58	45
Villous tubular adenomas	2	0
En bloc resection rate (%)	98.947	92.135	Z = -2.258	0.024

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Citation: Chen JH, Chen MM, Zhang Y, Lin LL, Huang R, Tang FN, Lin RQ, Chen SY. Effectiveness and safety of modified cold snare polypectomy for flat colorectal polyps: A multicenter randomized controlled trial. World J Gastrointest Surg 2026; 18(6): 119157
URL: https://www.wjgnet.com/1948-9366/full/v18/i6/119157.htm
DOI: https://dx.doi.org/10.4240/wjgs.119157

Chen JH, Chen MM, Zhang Y, Lin LL, Huang R, Tang FN, Lin RQ, Chen SY. Effectiveness and safety of modified cold snare polypectomy for flat colorectal polyps: A multicenter randomized controlled trial. World J Gastrointest Surg 2026; 18(6): 119157 [DOI: 10.4240/wjgs.119157]

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