Proportion of esophageal keratinized area ≥ 30% reduces accuracy of preoperative endoscopic evaluation in early esophageal squamous cell carcinoma

doi:10.4251/wjgo.121634

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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

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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 Oncol. Nov 15, 2026; 18(11): 121634
Published online Nov 15, 2026. doi: 10.4251/wjgo.121634

Table 4 Pathological characteristics of invasive esophageal squamous cell carcinoma in early esophageal squamous cell carcinoma with and without esophageal keratosis, n (%)

Variable		Esophageal keratosis (n = 29)	Nonesophageal keratosis (n = 27)	P value
Depth of tumor infiltration	M2	20 (68.97)	10 (37.04)	0.038
	M3	6 (20.69)	8 (29.63)
	SM	3 (10.34)	9 (33.33)
Degree of tumor differentiation	High	19 (65.52)	10 (37.04)	0.086
	Medium-high	8 (27.59)	12 (44.44)
	Medium-low	2 (6.89)	5 (18.52)

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Citation: Zhang YJ, Wen W, Li F, Yuan J, Zou DH, Shi HP, Liang C, Yang Y. Proportion of esophageal keratinized area ≥ 30% reduces accuracy of preoperative endoscopic evaluation in early esophageal squamous cell carcinoma. World J Gastrointest Oncol 2026; 18(11): 121634
URL: https://www.wjgnet.com/1948-5204/full/v18/i11/121634.htm
DOI: https://dx.doi.org/10.4251/wjgo.121634

Zhang YJ, Wen W, Li F, Yuan J, Zou DH, Shi HP, Liang C, Yang Y. Proportion of esophageal keratinized area ≥ 30% reduces accuracy of preoperative endoscopic evaluation in early esophageal squamous cell carcinoma. World J Gastrointest Oncol 2026; 18(11): 121634 [DOI: 10.4251/wjgo.121634]

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