Giant rectal intramural hematoma following endoscopic submucosal dissection successfully treated with conservative therapy: A case report

doi:10.4253/wjge.v18.i3.115257

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World Journal of Gastrointestinal Endoscopy

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1948-5190

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

Case Report

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 Endosc. Mar 16, 2026; 18(3): 115257
Published online Mar 16, 2026. doi: 10.4253/wjge.v18.i3.115257

Table 2 Reported cases of intramural hematoma following gastrointestinal endoscopic procedures

Ref.	Complication	Year	Age (years)	Sex	Anticoagulant therapy	Lesion size (mm)	Device	Time to hematoma onset	Treatment	Outcome
[2]	Hematoma	2023	82	Male	Yes	25	ESD	Postoperative day 4	Conservative treatments	Died on postoperative day 25
[6]	Hematoma	2022	50	Female	No	No available	Colonoscopy	Three hours	Surgery	Discharged
[7]	Hematoma	2023	81	Female	Yes	7	Cold snare polypectomy	Following day	Conservative treatments	Discharged 20 days after admission
[9]	Hematoma	2022	61	Female	No	8	Cold snare polypectomy	Following day	Endoscopic intervention	Hematoma absorption 3 days after intervention
[10]	Hematoma + perforation	2025	43	Female	No	3	Cold snare polypectomy	Two hours	Surgery	Discharged on postoperative day 14

ESD: Endoscopic submucosal dissection.

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Citation: Xu YL, Zhang ML, Zhou HJ, Gao PJ, Zhang XN, Rao M. Giant rectal intramural hematoma following endoscopic submucosal dissection successfully treated with conservative therapy: A case report. World J Gastrointest Endosc 2026; 18(3): 115257
URL: https://www.wjgnet.com/1948-5190/full/v18/i3/115257.htm
DOI: https://dx.doi.org/10.4253/wjge.v18.i3.115257

Xu YL, Zhang ML, Zhou HJ, Gao PJ, Zhang XN, Rao M. Giant rectal intramural hematoma following endoscopic submucosal dissection successfully treated with conservative therapy: A case report. World J Gastrointest Endosc 2026; 18(3): 115257 [DOI: 10.4253/wjge.v18.i3.115257]

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