Characteristics and risk factor analyses of high-grade intraepithelial neoplasia in older patients with colorectal polyps

doi:10.4251/wjgo.v16.i10.4129

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Oct 15, 2024 (publication date) through Oct 19, 2024

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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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World J Gastrointest Oncol. Oct 15, 2024; 16(10): 4129-4137
Published online Oct 15, 2024. doi: 10.4251/wjgo.v16.i10.4129

Table 2 Comparison of polyp characteristics between high-grade intraepithelial neoplasia group and low-grade intraepithelial neoplasia group, n (%)

Endoscopic features	HGIN group (number of polyps = 93)	LGIN group (number of polyps = 132)	χ²	P value
Polyp site			26.348	0.000
Ascending colon	10 (10.75)	29 (21.97)
Transverse colon	9 (9.68)	32 (24.24)
Descending colon	15 (16.13)	31 (23.48)
Sigmoid	34 (36.56)	27 (20.45)
Rectum	25 (26.88)	13 (9.85)
Endoscopic classification			5.371	0.020
Calyx perpetual	43 (46.24)	41 (31.06)
Calyx deciduous	50 (53.76)	91 (68.94)
Polyp cut area	61 (65.59)		10.369	0.001
≥ 1.0 cm²	61 (65.59)	21 (15.91)
< 1.0 cm²	32 (34.41)	111 (84.09)
Changes in surface color			8.680	0.003
Hyperemia	58 (62.37)	56 (42.42)
Uncongested	35 (37.63)	76 (57.58)
Surface depression			8.051	0.005
Yes	21 (22.6)	4 (3.03)
No	72 (77.4)	128 (96.97)
Pathological results			24.540	0.000
Canalicular adenoma	62 (66.67)	87 (65.91)
Villous tubular adenoma	26 (27.96)	12 (9.09)
Serrated adenoma	2 (2.15)	6 (4.55)
Non-adenomatous polyps	3 (3.23)	27 (20.45)

LGIN: Low-grade intraepithelial neoplasia; HGIN: High-grade intraepithelial neoplasia.

Citation: Zhang X, Wang Y, Zhu T, Ge J, Yuan JH. Characteristics and risk factor analyses of high-grade intraepithelial neoplasia in older patients with colorectal polyps. World J Gastrointest Oncol 2024; 16(10): 4129-4137
URL: https://www.wjgnet.com/1948-5204/full/v16/i10/4129.htm
DOI: https://dx.doi.org/10.4251/wjgo.v16.i10.4129