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Related Concept Videos

Endoscopic Procedures V: ERCP

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.
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Related Experiment Video

Updated: Aug 26, 2025

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy

Published on: September 13, 2022

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy.

Zeming Chen¹, Zhuo Hua¹, Runzhui Lin¹

¹Department of General Surgery, Second Affiliated Hospital, Shantou University Medical College.

Journal of Visualized Experiments : Jove

|October 3, 2022

Summary

This summary is machine-generated.

A novel two-step percutaneous transhepatic choledochoscopic lithotomy (PTCSL) procedure effectively removes challenging bile duct stones. This safe and efficient technique offers a better prognosis for patients with intrahepatic and extrahepatic choledocholithiasis.

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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery

Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery

Published on: February 10, 2023

Related Experiment Videos

Last Updated: Aug 26, 2025

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy

A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy

Published on: September 13, 2022

Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery

Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery

Published on: February 10, 2023

Area of Science:

Gastroenterology and Hepatology
Minimally Invasive Surgery
Interventional Radiology

Background:

Intrahepatic and extrahepatic choledocholithiasis present significant challenges in biliary surgery.
Existing percutaneous transhepatic cholangioscopy (PTCS) methods require refinement for complex cases.

Purpose of the Study:

To evaluate the safety and efficacy of a modified two-step percutaneous transhepatic choledochoscopic lithotomy (PTCSL) for treating difficult bile duct stones.
To assess the outcomes and complication rates of this PTCSL technique.

Main Methods:

Retrospective review of 81 patients with intrahepatic and extrahepatic choledocholithiasis treated between January 2013 and January 2020.
Utilized a two-step PTCSL approach, establishing a direct channel with a 16F Amplatz sheath for stone removal via nephroscope.

Main Results:

Complete stone removal was achieved in 100% of patients (81/81).
62/81 patients (76.5%) required one procedure, while 17/81 (21%) and 2/81 (2.5%) needed second and third procedures, respectively.
Zero incidence of severe bleeding and no procedure-related deaths were recorded.

Conclusions:

The two-step PTCSL is a safe and highly effective method for managing challenging intrahepatic and extrahepatic choledocholithiasis.
This technique demonstrates a favorable clinical efficacy and contributes to improved patient outcomes.