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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...
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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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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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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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Whole-body PET/MRI of Pediatric Patients: The Details That Matter
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Whole-body MRI as a screening tool?

Susanne C Ladd1

  • 1University Hospital Essen, Department of Diagnostic and Interventional Radiology and Neuroradiology, Hufelandstrasse 55, D - 45122 Essen, Germany. susanne.ladd@uni-duisburg-essen.de

European Journal of Radiology
|April 7, 2009
PubMed
Summary

Whole-body MRI (wb-MRI) screening is technically feasible for early disease detection, including atherosclerosis and malignancies. While promising, its cost-benefit and long-term health impact require further investigation.

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Area of Science:

  • Medical Imaging
  • Diagnostic Radiology
  • Preventive Medicine

Background:

  • Whole-body MRI (wb-MRI) screening is a recent advancement in detecting diseases in asymptomatic individuals.
  • Technical requirements like extended scanner tables and surface coils enable comprehensive body examination without patient repositioning.

Purpose of the Study:

  • To evaluate the technical feasibility and potential applications of whole-body MRI (wb-MRI) for screening purposes.
  • To discuss the suitability of target diseases for wb-MRI screening based on therapeutic options and prevalence.
  • To explore the potential prognostic impact and limitations of wb-MRI screening.

Main Methods:

  • Utilizing extended scanner table range and surface coils for unimpeded whole-body examination.
  • Combining wb-MRI angiography with cerebral and cardiac MRI for comprehensive atherosclerosis screening.
  • Assessing the technical capability for screening various malignancies like colonic, bronchial, and renal carcinoma.

Main Results:

  • Initial studies show low prevalence of pathologies in non-selected groups, with higher rates in individuals with risk factors.
  • wb-MRI is technically capable of screening for atherosclerosis and certain malignancies.
  • Potential prognostic impact is suggested, but outcome studies are pending.

Conclusions:

  • Whole-body MRI (wb-MRI) is technically ready for screening applications.
  • Further investigation is needed to determine the cost-benefit ratio and the impact of wb-MRI screening on patient well-being.
  • Incidental findings and limitations in assessing certain tumor entities require careful consideration.