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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Updated: Apr 28, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
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MR imaging of the biliary system.

Benjamin L Yam1, Evan S Siegelman1

  • 1Department of Radiology, Hospital of the University of Pennsylvania, Perelman School of Medicine at the University of Pennsylvania, 34th and Spruce Streets, Philadelphia, PA 19104-4283, USA.

Radiologic Clinics of North America
|June 4, 2014
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Summary

Magnetic resonance (MR) imaging and MR cholangiopancreatography offer comprehensive, noninvasive assessments of the biliary tract and gallbladder, especially for inconclusive findings. These techniques aid in evaluating normal anatomy, variants, and a spectrum of biliary diseases.

Keywords:
Bile ductsBiliaryGallbladderMR imagingMRCPMagnetic resonance cholangiopancreatographyMagnetic resonance imaging

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Area of Science:

  • Radiology
  • Medical Imaging

Background:

  • Ultrasound, computed tomography, and cholescintigraphy are standard for biliary abnormality evaluation.
  • Inconclusive findings often require advanced imaging techniques for comprehensive assessment.

Purpose of the Study:

  • To review standard magnetic resonance (MR) imaging and MR cholangiopancreatography techniques.
  • To discuss clinical applications, pitfalls, and the role of MR in evaluating biliary and gallbladder conditions.
  • To highlight MR findings for characterizing benign and malignant biliary processes.

Main Methods:

  • Review of standard MR imaging and MR cholangiopancreatography protocols.
  • Discussion of normal biliary anatomy and common variants.
  • Analysis of MR findings in various benign and malignant biliary diseases.

Main Results:

  • MR imaging and MR cholangiopancreatography provide a comprehensive, noninvasive assessment of the biliary tract and gallbladder.
  • MR findings are crucial for characterizing a spectrum of biliary pathologies.
  • Understanding normal anatomy and variants is essential for preoperative planning.

Conclusions:

  • MR imaging and MR cholangiopancreatography are valuable tools for evaluating inconclusive biliary findings.
  • These advanced MR techniques offer detailed insights into biliary tract and gallbladder conditions.
  • MR plays a key role in the diagnosis and characterization of biliary abnormalities.