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Diagnostic Process Using Endoscopy for Biliary Strictures: A Narrative Review
Yuki Tanisaka1, Masafumi Mizuide1, Akashi Fujita1
1Department of Gastroenterology, Saitama Medical University International Medical Center, 1397-1, Yamane, Hidaka, Saitama 350-1298, Japan.
Journal of Clinical Medicine
|April 3, 2021
Summary
Diagnosing indeterminate biliary strictures can be difficult. This review explores advanced endoscopic techniques, beyond traditional methods like ERCP, for improved accuracy in identifying benign or malignant lesions.
Area of Science:
- Gastroenterology
- Diagnostic Imaging
- Endoscopy
Background:
- Biliary strictures present a diagnostic challenge with a differential including benign and malignant lesions.
- Accurate diagnosis requires integrating clinical, laboratory, and imaging data, with endoscopy playing a crucial role.
Purpose of the Study:
- To review and discuss the diagnostic process for indeterminate biliary strictures.
- To highlight the evolving role of endoscopic modalities in achieving accurate diagnosis.
Main Methods:
- Review of current literature on diagnostic approaches for biliary strictures.
- Focus on the utility of various endoscopic techniques, including peroral cholangioscopy, confocal laser endomicroscopy, and endoscopic ultrasound (EUS).
Main Results:
- While imaging and endoscopic retrograde cholangiopancreatography (ERCP) are standard, ERCP has limitations in intraluminal visualization.
- Emerging endoscopic tools like EUS and peroral cholangioscopy offer improved diagnostic capabilities for indeterminate biliary strictures.
Conclusions:
- Selection of appropriate endoscopic modalities depends on patient condition, lesion characteristics, and endoscopist expertise.
- Advanced endoscopic techniques are vital for improving the accuracy of diagnosing indeterminate biliary strictures.
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