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 1 Dynamic clinical parameters and symptom progression during conservative management

Postoperative day	Main symptoms	Blood pressure (mmHg)	WBC (× 10⁹/L; reference range: 3.50-9.50)	Hemoglobin (g/L; reference range: 130-175)	Urea (mmol/L; reference range: 3.6-9.5)	Creatinine (μmol/L; reference range: 57-111)	Liver function tests
Day 4	Hematochezia	102/58	14.02	121	9.0	137	Normal
Day 5	Abdominal distension and constipation	108/65	9.81	98	8.9	121	Normal
Day 6	No significant improvement	110/74	6.46	88	8.6	85	-
Day 7	Abdominal distension relieved	105/76	5.77	86	-	-	-
Day 8	No abdominal distension or constipation	115/80	5.5	92	6.9	68	Normal
Day 11	Recovering well	109/67	5.8	112	-	-	-
Day 15	Tolerating liquid diet well	112/78	5.96	115	3.6	63	Normal

“-” unmeasured data at that time point. WBC: White blood cell.

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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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