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Related Experiment Video

Updated: Jul 4, 2026

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy
03:56

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy

Published on: September 13, 2022

Radiation-free luminal stenting using peroral cholangioscope.

Lin Liu1, Hongguang Wang1, Liying Tao1

  • 1Gastroenterology Department, Jilin People's Hospital, Changchun, Jilin, China.

Igie : Innovation, Investigation and Insights
|July 3, 2026
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...

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Radiation-free peroral cholangioscopy successfully guided self-expandable metal stent (SEMS) placement for gastrointestinal obstruction in two patients. This novel approach safely relieved symptoms without adverse events, offering a promising alternative to traditional methods.

Area of Science:

  • Gastroenterology
  • Interventional Endoscopy
  • Oncology

Background:

  • Traditional endoscopic self-expandable metal stent (SEMS) placement for gastrointestinal obstruction relies on fluoroscopy.
  • Fluoroscopy involves radiation exposure, posing potential risks to patients and staff.

Purpose of the Study:

  • To evaluate the safety and efficacy of a radiation-free technique for SEMS placement.
  • To assess the utility of peroral cholangioscopy-guided SEMS placement in managing gastrointestinal obstruction.

Main Methods:

  • Two patients with gastrointestinal obstruction underwent SEMS placement.
  • Peroral cholangioscopy was utilized for radiation-free guidewire insertion and stent deployment.

Main Results:

Related Experiment Videos

Last Updated: Jul 4, 2026

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy
03:56

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy

Published on: September 13, 2022

  • Successful guidewire insertion and SEMS placement were achieved in both cases using peroral cholangioscopy.
  • Significant relief of gastrointestinal obstruction symptoms was observed post-procedure.
  • No intraoperative or postoperative adverse events, such as bleeding or perforation, were reported.

Conclusions:

  • Radiation-free peroral cholangioscopy is a safe and effective method for SEMS placement.
  • This technique can successfully relieve obstruction symptoms caused by gastrointestinal tumors.
  • It presents a viable alternative to fluoroscopy-guided procedures.