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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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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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Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
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Imaging Studies for Cardiovascular System V: CT01:28

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Upper GI Series: Barium Swallow01:24

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The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Updated: Jun 9, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Imaging Evaluation of the Biliary Tree.

Dzmitry Fursevich1

  • 1Reno Radiological Associates, Renown Regional Medical Center, PO Box 7055, Reno, NV 89510, USA.

The Surgical Clinics of North America
|October 24, 2024
PubMed
Summary
This summary is machine-generated.

Accurate noninvasive imaging of the biliary tree is crucial for surgical planning. This review details the strengths, weaknesses, and appropriate use of various imaging techniques like ultrasound, CT, and MRI for suspected biliary conditions.

Keywords:
Biliary imagingBiliary treeCTMRCPMRIOncologic imagingRadiologyUltrasound

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Area of Science:

  • Radiology
  • Medical Imaging
  • Gastroenterology

Background:

  • Noninvasive visualization of the biliary tree is critical for patients undergoing potential biliary surgery.
  • Several imaging modalities, including ultrasound, CT, hepatobiliary iminodiacetic acid scan, and MRI, are commonly used for suspected acute biliary pathology.
  • PET-CT is sometimes employed for evaluating biliary malignancy and metastatic disease.

Purpose of the Study:

  • To review the strengths and limitations of common noninvasive imaging modalities for the biliary tree.
  • To focus on the appropriate utilization of these imaging techniques in clinical practice for suspected biliary pathology.

Main Methods:

  • Review of existing literature on various biliary imaging modalities.
  • Discussion of the diagnostic capabilities and limitations of ultrasound, CT, hepatobiliary iminodiacetic acid scan, MRI, and PET-CT.
  • Analysis of the appropriateness of each modality in different clinical scenarios.

Main Results:

  • Each imaging modality possesses unique strengths and weaknesses.
  • Improper selection of imaging techniques can lead to suboptimal patient management.
  • Understanding the specific applications and limitations is key to effective utilization.

Conclusions:

  • Appropriate utilization of biliary imaging modalities is essential for accurate diagnosis and surgical planning.
  • Clinicians must be aware of the capabilities and limitations of each imaging technique to optimize patient care.
  • Further research may refine the selection criteria for biliary imaging in clinical practice.