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Updated: Oct 14, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Fluoroscopic Removal of Embedded Esophageal Self-Expanding Metal Stents: Stent-in-Stent Combined with Guidewire Lasso
Yonghua Bi1, Hongmei Chen2, Wenguang Zhang1
1Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Abstract:
We report the use of the guidewire lasso technique for the removal of an embedded esophageal self-expanding metal stent (SEMS), following a failure of distal to proximal invagination by removal hook caused by stent incorporation. During a removal procedure of an embedded SEMS using the hook retrieval device, the strut fractured and the stent retained. Attempts to pull up the retained stent using hook were not effective. Thus, the lasso technique with a guidewire over the retained stent was performed and successfully removed with no procedure-related complications. The patient is alive without dysphagia after 3 months follow-up.
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