Clinical manifestations and imaging features of inferior mesenteric vein-related colon ischemia

doi:10.3748/wjg.v32.i18.116229

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World Journal of Gastroenterology

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1007-9327

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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 Gastroenterol. May 14, 2026; 32(18): 116229
Published online May 14, 2026. doi: 10.3748/wjg.v32.i18.116229

Table 2 Computed tomography features in inferior mesenteric vein-related colon ischemia patients, n (%)

Characteristics	Patients (n = 11)
Involved bowel segments
Terminal ileum	2
Ascending colon	3
Transverse colon	6
Descending colon	8
Sigmoid colon	11
Rectum	9
Continuous lesions	11 (100)
Bowel wall thickening	11 (100)
Maximum thickness (mm), median (interquartile range)	13.5 (11.6-15.6)
Abnormal enhancement	10 (90.9)
Arterial phase
Attenuated	10 (90.9)
Enhanced	0
Unenhanced	1 (9.1)
Portal vein phase
Attenuated	4 (36.4)
Enhanced	1 (9.1)
Unenhanced	6 (54.5)
Luminal stenosis	9 (81.8)
Disappearance of the colonic haustration	10 (90.9)
Mesenteric exudation	10 (90.9)
Pneumatosis	0
Affected vessel
PV	5 (45.5)
SMV	4 (36.4)
IMV	11 (100)
Thrombus/embolus of IMV	0
Vascular opacification defect	10 (90.9)
Collateral circulation	8 (72.7)
Compensatory thickening of the arteries	9 (81.8)

PV: Portal vein; SMV: Superior mesenteric vein; IMV: Inferior mesenteric vein.

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Citation: Jin X, Xu TM, Ruan GC, Zhang XF, Chen XY, Li XQ, Tang H, Xu H, Wang QP, Liu W, Li J. Clinical manifestations and imaging features of inferior mesenteric vein-related colon ischemia. World J Gastroenterol 2026; 32(18): 116229
URL: https://www.wjgnet.com/1007-9327/full/v32/i18/116229.htm
DOI: https://dx.doi.org/10.3748/wjg.v32.i18.116229

Jin X, Xu TM, Ruan GC, Zhang XF, Chen XY, Li XQ, Tang H, Xu H, Wang QP, Liu W, Li J. Clinical manifestations and imaging features of inferior mesenteric vein-related colon ischemia. World J Gastroenterol 2026; 32(18): 116229 [DOI: 10.3748/wjg.v32.i18.116229]

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