M-type dual-channel endoscopy with zebra guidewire lithotripsy for phytobezoars

doi:10.4240/wjgs.116919

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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

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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. Sep 27, 2026; 18(9): 116919
Published online Sep 27, 2026. doi: 10.4240/wjgs.116919

Table 2 Clinical characteristics of gastric bezoars, n (%)/mean ± SD

Parameters	Conventional endoscopy group (n = 67)	Combined endoscopy group (n = 43)	t/χ²	P value
Stone characteristics
Stone size (cm)	5.63 ± 1.64	5.93 ± 1.74	0.930	0.354
Number of stones			0.002	0.961
Single	59 (88.06)	38 (88.37)
Multiple	8 (11.94)	5 (11.63)
Stone color			0.055	0.973
Blackish-green	28 (41.79)	17 (39.53)
Variegated	18 (26.87)	12 (27.91)
Golden yellow	21 (31.34)	14 (32.56)
Distribution of causes			0.055	0.997
Persimmon	57 (85.07)	37 (86.05)
Hawthorn	5 (7.46)	3 (6.98)
Black Jujube	3 (4.48)	2 (4.65)
Other	2 (2.99)	1 (2.33)
Season of onset			0.102	0.992
Spring	17 (25.37)	11 (25.58)
Summer	7 (10.45)	5 (11.63)
Autumn	9 (13.43)	5 (11.63)
Winter	34 (50.75)	22 (51.16)

Full Size Table

Citation: Hong WM, Du J. M-type dual-channel endoscopy with zebra guidewire lithotripsy for phytobezoars. World J Gastrointest Surg 2026; 18(9): 116919
URL: https://www.wjgnet.com/1948-9366/full/v18/i9/116919.htm
DOI: https://dx.doi.org/10.4240/wjgs.116919

Hong WM, Du J. M-type dual-channel endoscopy with zebra guidewire lithotripsy for phytobezoars. World J Gastrointest Surg 2026; 18(9): 116919 [DOI: 10.4240/wjgs.116919]

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