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Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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,...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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,...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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.
In gastric emptying studies, a meal's liquid and solid...
Nuclear Magnetic Resonance (NMR): Overview01:07

Nuclear Magnetic Resonance (NMR): Overview

Nuclear magnetic resonance (NMR) is a phenomenon exhibited by certain nuclei that can absorb characteristic radio frequency radiation under certain conditions. NMR has been extensively applied in molecular spectroscopy and medical diagnostic imaging. In both these applications, the molecule or subject under study is placed in a magnetic field and irradiated with radio frequency energy.
NMR spectroscopy generates a spectrum where the characteristic absorption frequencies of the sample are...

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Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth
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Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth

Published on: February 9, 2012

Magnetic resonance enterography.

David J Grand1, Michael Beland, Adam Harris

  • 1Department of Diagnostic Imaging, Warren Alpert School of Medicine, Brown University, Providence, RI 02903, USA. dgrand@lifespan.org

Radiologic Clinics of North America
|November 28, 2012
PubMed
Summary
This summary is machine-generated.

Magnetic resonance (MR) enterography offers advanced, radiation-free imaging of the small intestine. This technique now surpasses CT scans in differentiating active inflammation from chronic disease, making it essential for gastrointestinal diagnostics.

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Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
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Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Area of Science:

  • Medical Imaging
  • Gastroenterology
  • Radiology

Background:

  • Computed tomography (CT) previously offered superior small bowel imaging.
  • Magnetic resonance (MR) imaging of the small bowel faced limitations in image quality compared to CT.
  • MR enterography, a non-invasive technique, examines the gastrointestinal tract, particularly the small intestine.

Purpose of the Study:

  • To evaluate the diagnostic capabilities of MR enterography.
  • To compare MR enterography with CT for small bowel imaging.
  • To assess MR enterography's effectiveness in differentiating disease types.

Main Methods:

  • Utilized MR enterography for targeted examination of the small intestine.
  • Compared image quality and diagnostic information with CT enterography.
  • Focused on differentiating active inflammatory from chronic fibrostenotic disease.

Main Results:

  • MR enterography now provides diagnostic information comparable or superior to CT.
  • The technique excels at distinguishing active inflammatory from chronic fibrostenotic small bowel disease.
  • MR enterography is a radiation-free alternative to CT.

Conclusions:

  • MR enterography is a feasible and often superior alternative to CT for small bowel imaging.
  • The modality is essential for accurate differentiation of active versus chronic gastrointestinal disease.
  • MR enterography represents a significant advancement in gastrointestinal imaging armamentarium.