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Related Experiment Videos

Detection of aortic arch thrombus using MR imaging.

K C Seelos1, M Funari, C B Higgins

  • 1Department of Radiology, University of California, San Francisco 94143.

Journal of Computer Assisted Tomography
|March 1, 1991
PubMed
Summary
This summary is machine-generated.

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Magnetic resonance imaging (MRI) can identify aortic arch thrombi, a source of peripheral embolization, even without aneurysms or dissections. This technique aids in detecting at-risk patients from the thoracic aorta.

Area of Science:

  • Cardiovascular Imaging
  • Diagnostic Radiology
  • Medical Physics

Background:

  • Peripheral embolization is a significant clinical concern.
  • Echocardiography is the standard for evaluating embolic sources.
  • Aortic arch pathology can be an underrecognized cause of emboli.

Observation:

  • Three patients with peripheral embolization and normal echocardiograms underwent MR imaging.
  • MR imaging identified thrombi within the aortic arch.
  • These thrombi were present without evidence of aortic aneurysm, dissection, or ulcerated plaques.

Findings:

  • Magnetic resonance imaging (MRI) effectively detected aortic arch thrombi.
  • Combined spin echo and cine MR sequences allowed characterization of intravascular mural thrombi.

Related Experiment Videos

  • Contrast media was not required for reliable thrombus visualization and characterization.

    • Implications:

    • MRI offers a non-contrast method for identifying thoracic aortic thrombi.
    • This imaging modality can identify patients at risk for embolization from the aortic arch.
    • The thoracic aorta should be considered a potential source of emboli in relevant clinical scenarios.