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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,...
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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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Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...

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Related Experiment Video

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Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection
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[Molecular and parametric imaging with iron oxides].

L Matuszewski1, B Tombach, W Heindel

  • 1Institut für Klinische Radiologie, Universitätsklinikum Münster. matusze@uni-muenster.de

Der Radiologe
|January 5, 2007
PubMed
Summary

Superparamagnetic iron oxide (SPIO) agents offer advanced non-invasive diagnostics. New SPIO applications enable molecular-level pathology characterization and gene expression detection for enhanced medical imaging.

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Last Updated: Jul 17, 2026

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Published on: November 20, 2018

Area of Science:

  • Biomedical Imaging
  • Nanotechnology
  • Medical Diagnostics

Context:

  • Superparamagnetic iron oxide (SPIO) contrast agents are established for high-resolution MRI of the reticuloendothelial system.
  • SPIOs offer potential for non-invasive molecular-level pathology characterization.
  • Existing SPIOs are clinically approved for specific anatomical imaging.

Purpose:

  • To provide an overview of novel applications for clinically approved iron oxides.
  • To discuss new, modified SPIO contrast agents for advanced imaging.
  • To highlight SPIOs' utility in molecular and parametric imaging.

Summary:

  • SPIO contrast agents, beyond anatomical imaging, can non-invasively characterize and quantify pathology at the molecular level.
  • Applications include non-invasive cell tracking, tissue perfusion quantification, target-specific imaging, and gene expression detection.
  • This review covers new uses for approved iron oxides and modified SPIOs in parametric and molecular imaging.

Impact:

  • Expands the diagnostic capabilities of established SPIO contrast agents.
  • Enables earlier and more precise detection of diseases through molecular imaging.
  • Facilitates the development of targeted therapies and personalized medicine through advanced imaging techniques.