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Related Experiment Video

Updated: Aug 6, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Published on: March 25, 2022

EUS-guided liver biopsy using a novel hydrostatic stylet technique.

Patrick T Magahis¹, Donevan Westerveld², Malorie Simons²

¹Joan & Sanford I. Weill Medical College of Cornell University, New York, New York.

Videogie : an Official Video Journal of the American Society for Gastrointestinal Endoscopy

|March 20, 2023

Summary

This summary is machine-generated.

This video demonstrates the hydrostatic stylet technique for performing endoscopic ultrasound (EUS)-guided liver biopsies. This method enhances safety and precision during liver tissue sampling procedures.

Keywords:

EUS-LB, EUS-guided liver biopsy

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Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy

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Published on: June 18, 2020

Area of Science:

Medical procedures
Gastroenterology
Interventional radiology

Background:

Liver biopsy is crucial for diagnosing and staging liver diseases.
Traditional biopsy methods carry risks of complications such as bleeding.

Purpose of the Study:

To present and explain the hydrostatic stylet technique for endoscopic ultrasound (EUS)-guided liver biopsy.
To highlight the advantages of this technique in improving procedural safety.

Main Methods:

Demonstration of the hydrostatic stylet technique using endoscopic ultrasound guidance.
Step-by-step visualization of needle insertion and hydrostatic fluid injection.
Explanation of how the fluid creates a "cushion" to protect surrounding structures.

Main Results:

The hydrostatic stylet technique facilitates safe and effective liver tissue acquisition.
Reduced risk of inadvertent injury to adjacent organs or vasculature.
Improved visualization and control during the biopsy procedure.

Conclusions:

The hydrostatic stylet technique is a valuable advancement for EUS-guided liver biopsy.
This method offers enhanced safety and potentially improves diagnostic yield.
It represents a significant improvement in minimally invasive liver biopsy techniques.