Case Report: Endoscopic ultrasound in the diagnosis and endoscopic treatment of a delayed-presentation duodenal web in a toddler

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A 19-month-old female toddler was diagnosed with a delayed-presentation duodenal web after presenting with recurrent vomiting.
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Endoscopic ultrasound (EUS) revealed circumferential thickening of the duodenal wall, aiding in the diagnosis of the obstruction.
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Pathological biopsy during EUS ruled out neoplastic lesions, confirming the diagnosis of a delayed duodenal web.
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The toddler underwent successful endoscopic web incision, avoiding the need for open surgery.
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Postoperatively, the toddler's vomiting was completely relieved without complications, demonstrating effective treatment.

Frontiers In Medicine

by Qian Huang, Rensen Jiang, Miaobing Wu, Jiexing Long, Jing Lao, Dongling Dai, Liang Liu, Bin Wang, Jianyao Wang
June 5, 2026

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