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Updated: Jun 20, 2026

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy
Published on: September 13, 2022
Successful removal of indigested shell using a rigid esophagoscope and a pneumatic lithotriptor
Heezoo Kim1, Hyun Koo Kim, Gi-Run Kang
1Department of Anesthesiology and Pain Medicine, Korea University Guro Hospital, College of Medicine, Korea University, Seoul, Korea.
Abstract:
Foreign body ingestion is a commonly encountered clinical problem in pediatric emergency cases. The authors report a case of an esophageal foreign body caused by the accidental ingestion of a shell in an 8-month-old girl. Endoscopic removal was attempted but failed because of the sharp margin of the shell and caused it to be deeply impacted into the esophageal wall. Accordingly, a pneumatic lithotriptor was inserted through a rigid esophagoscope and used to fragment the shell.
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