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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 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,...
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
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,...

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Related Experiment Video

Updated: May 30, 2026

Whole-body PET/MRI of Pediatric Patients: The Details That Matter
10:02

Whole-body PET/MRI of Pediatric Patients: The Details That Matter

Published on: December 19, 2017

Advances in pediatric body MRI.

Shreyas S Vasanawala1, Michael Lustig

  • 1Department of Radiology, Lucile Packard Children's Hospital, Stanford University, 725 Welch Road, Palo Alto, CA 94304, USA. vasanawala@stanford.edu

Pediatric Radiology
|August 18, 2011
PubMed
Summary

Magnetic Resonance Imaging (MRI) is key to the ALARA strategy, but challenges like long scan times and motion hinder its use. Recent pediatric body MRI advancements aim to overcome these barriers.

Area of Science:

  • Radiology and Medical Imaging
  • Pediatric Imaging

Background:

  • Magnetic Resonance Imaging (MRI) is a valuable diagnostic tool, often considered alongside Computed Tomography (CT) for pediatric imaging.
  • Implementing an As Low As Reasonably Achievable (ALARA) radiation exposure strategy highlights MRI's importance.
  • Barriers to wider MRI adoption include prolonged examination durations, limited scanner availability, and susceptibility to motion artifacts, particularly in pediatric patients.

Purpose of the Study:

  • To review recent technological developments in pediatric body MRI.
  • To identify innovations that address the primary barriers hindering expanded MRI utilization in children.

Main Methods:

  • Review of current literature and technological advancements in pediatric body MRI.
  • Focus on innovations including high-field magnetic resonance imaging systems, accelerated imaging techniques, navigation technologies, and novel contrast agents.

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Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure
15:18

Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure

Published on: July 30, 2009

Related Experiment Videos

Last Updated: May 30, 2026

Whole-body PET/MRI of Pediatric Patients: The Details That Matter
10:02

Whole-body PET/MRI of Pediatric Patients: The Details That Matter

Published on: December 19, 2017

Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure
15:18

Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure

Published on: July 30, 2009

Main Results:

  • High-field systems offer potential for faster scans and improved image quality.
  • Acceleration techniques (e.g., parallel imaging, compressed sensing) significantly reduce scan times.
  • Navigation systems aid in precise targeting and reduce the need for repeated sequences.
  • Newer contrast agents may improve diagnostic yield and safety profiles.

Conclusions:

  • Technological advancements in pediatric body MRI show promise in overcoming existing limitations.
  • These innovations could facilitate broader adoption of MRI in pediatric diagnostics, supporting ALARA principles.
  • Further research and clinical integration are needed to fully realize the potential of these developments.