Related Experiment Video

Updated: May 11, 2026

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

Abdominal MR imaging in children: motion compensation, sequence optimization, and protocol organization

Govind B Chavhan1, Paul S Babyn, Shreyas S Vasanawala

  • 1Department of Diagnostic Imaging, Hospital for Sick Children and University of Toronto, 555 University Ave, Toronto, ON, Canada M5G 1X8. drgovindchavhan@yahoo.com

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|May 16, 2013
PubMed

Insights

Pediatric abdominal MRI requires understanding sequence properties for diagnostic quality. Motion compensation techniques and age-specific protocols are crucial for optimizing magnetic resonance imaging in children.

Area of Science:

  • Radiology
  • Medical Imaging
  • Pediatric Imaging

Background:

  • Pediatric abdominal magnetic resonance (MR) imaging presents unique challenges.
  • Factors include patient motion, inability to breath-hold, varying patient size, and artifacts.
  • These challenges impact diagnostic image quality.

Purpose of the Study:

  • To review essential sequence properties and trade-offs for abdominal MR imaging in pediatric patients.
  • To discuss motion-compensation techniques and their applicability.
  • To highlight age-specific considerations for optimizing pediatric abdominal MR protocols.

Main Methods:

  • Review of motion-compensation techniques such as respiratory gating, signal averaging, and parallel imaging.
  • Analysis of different T1- and T2-weighted sequences for pediatric abdominal MR.
  • Evaluation of age-specific adjustments for dynamic imaging and sequence selection based on breath-holding ability and sedation.

Main Results:

  • Motion-compensation techniques can significantly improve image quality in pediatric abdominal MR.
  • Sequence selection and timing of dynamic phases must be tailored to younger children.
  • Different sequences are optimal for younger versus older children due to variations in breath-holding, breathing patterns, and field of view.

Conclusions:

  • Familiarity with sequence properties and motion-compensation is vital for radiologists.
  • Age-specific protocols are necessary for optimizing pediatric abdominal MR imaging.
  • Combining sequences of varying resolution and speed aids in achieving diagnostic quality efficiently.

More Related Videos

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Whole-body PET/MRI of Pediatric Patients: The Details That Matter10:02

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

Published on: December 19, 2017

Related Concept Videos

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,...
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 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 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 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...