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Magnetic Resonance Imaging01:24

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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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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.
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Positron Emission Tomography01:29

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Imaging Studies IV: Magnetic Resonance Imaging01:27

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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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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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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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Related Experiment Video

Updated: Jan 15, 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

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Pediatric PET/MRI: Imaging Techniques, Indications, and Clinical Implementation.

Sergios Gatidis1, Maria Rosana Ponisio1, Lise Borgwardt1

  • 1From the Department of Radiology, Lucile Salter Packard Children's Hospital at Stanford, Stanford University, 725 Welch Rd, G-374, Stanford, CA 94305 (S.G., E.N., H.R.N.); Washington University in St. Louis School of Medicine, St. Louis, Mo (M.R.P., M.H., R. Laforest); Rigshospitalet Kobenhavn, Copenhagen, Denmark (L.B.); The Royal Children's Hospital Foundation, Parkville, Australia (T.M.C.); The Royal Children's Hospital Melbourne, Melbourne, Australia (P.F.); Department of Radiology, Mayo Clinic, Rochester, Minn (G.J.); Department of Nuclear Medicine, University of Leipzig Faculty of Medicine, Leipzig, Germany (L.K.); Massachusetts General Hospital, Boston, Mass (R. Lim); Department of Radiology, University of Alabama Birmingham, Birmingham, Ala (J.M.); Nemours Children Hospital, Wilmington, Del (T.M.); Memorial Sloan Kettering Cancer Center, New York, NY (N.P.T.); Children's Wisconsin, Milwaukee, Wis (J.Q.); Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, Pa (L.J.S.); and Universita degli Studi di Padova, Padova, Italy (P.Z.).

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|October 16, 2025
PubMed
Summary

This study offers practical guidance for implementing pediatric PET/MRI, a complex but valuable diagnostic tool. The aim is to increase access to this advanced imaging modality for children, improving diagnostic capabilities.

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Area of Science:

  • Medical Imaging
  • Pediatric Radiology
  • Nuclear Medicine

Background:

  • Positron Emission Tomography/Magnetic Resonance Imaging (PET/MRI) is an established clinical imaging modality.
  • Its application in pediatric imaging provides valuable diagnostic information for various indications.
  • Routine use in pediatric patients is limited to major centers due to complexity.

Purpose of the Study:

  • To provide practical guidance for the clinical implementation of pediatric PET/MRI.
  • To increase the availability of PET/MRI for pediatric patients.
  • To support healthcare professionals in utilizing this advanced imaging technique.

Main Methods:

  • Overview of technical prerequisites for pediatric PET/MRI.
  • Detailed imaging protocols tailored for pediatric patients.
  • Strategies for image analysis and interpretation in pediatric cases.

Main Results:

  • Illustrative clinical examples from established pediatric PET/MRI programs worldwide.
  • Demonstration of successful implementation strategies.
  • Highlighting the diagnostic value across diverse pediatric conditions.

Conclusions:

  • Successful clinical implementation requires thorough patient preparation and planning.
  • Skilled image acquisition and careful interpretation are crucial for optimal results.
  • This guidance aims to facilitate broader adoption of pediatric PET/MRI.