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Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Imaging Studies VII: Vascular Imaging01:19

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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

Updated: Jun 22, 2026

In vivo Near Infrared Fluorescence (NIRF) Intravascular Molecular Imaging of Inflammatory Plaque, a Multimodal Approach to Imaging of Atherosclerosis
09:43

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Published on: August 4, 2011

Vulnerable plaque imaging.

John W Chen1, Bruce A Wasserman

  • 1Division of Neuroradiology, Department of Radiology, Massachusetts General Hospital, Boston, MA, USA. chenjo@helix.mgh.harvard.edu

Neuroimaging Clinics of North America
|December 20, 2005
PubMed
Summary
This summary is machine-generated.

Vulnerable plaque detection is shifting from lumenal stenosis to plaque composition. Advanced imaging, particularly nuclear medicine, is needed for functional cardiovascular assessment and stroke risk prediction.

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Area of Science:

  • Cardiovascular Research
  • Medical Imaging
  • Translational Medicine

Background:

  • The concept of vulnerable plaque is established in clinical and basic research.
  • The focus has shifted from hemodynamic effects (lumenal stenosis) to plaque structure and composition.
  • Inflammatory elements and endothelial denudation contribute to thrombus formation.

Purpose of the Study:

  • To highlight the evolving understanding of vulnerable plaque.
  • To emphasize the need for improved methods for vulnerable plaque detection and characterization.
  • To explore the potential of nuclear medicine techniques for cardiovascular assessment.

Main Methods:

  • Review of current clinical and basic research on vulnerable plaque.
  • Comparison of existing imaging modalities (MR, CT, ultrasound) with emerging nuclear medicine techniques.
  • Discussion of the limitations of current methods in assessing plaque vulnerability.

Main Results:

  • Current imaging provides data on single lesions but lacks comprehensive functional assessment.
  • Vulnerable plaque assessment requires evaluation of plaque composition and inflammatory markers.
  • Nuclear medicine techniques show promise for functional assessment of the entire cardiovascular system.

Conclusions:

  • The paradigm for assessing cardiovascular risk has shifted towards understanding plaque vulnerability.
  • Development and optimization of detection and characterization methods are crucial.
  • Nuclear medicine offers a promising future for comprehensive cardiovascular functional assessment.