MR Imaging of Carotid Artery Atherosclerosis: Updated Evidence on High-Risk Plaque Features and Emerging Trends

J C Benson1, L Saba2, G Bathla3

  • 1From the Departments of Radiology (J.C.B., G.B., W.B.) benson.john3@mayo.edu.

Insights

Magnetic resonance (MR) imaging is the gold standard for detecting carotid artery atherosclerosis. Advanced MR imaging techniques identify vulnerable plaque features, aiding in stroke risk assessment and potentially guiding treatment decisions.

Area of Science:

  • Neuroimaging
  • Cardiovascular Imaging
  • Radiology

Background:

  • Carotid artery atherosclerosis is a significant risk factor for stroke.
  • Magnetic resonance (MR) imaging is the established standard for evaluating carotid artery disease.
  • Identifying vulnerable plaque components is crucial for predicting stroke risk.

Purpose of the Study:

  • To review current knowledge on high-risk carotid plaque features identified by MR imaging.
  • To discuss the emerging role of vulnerable plaques in cryptogenic strokes.
  • To explore the potential of MR imaging in modifying carotid endarterectomy guidelines.

Main Methods:

  • Review of current literature on MR imaging of carotid plaque.
  • Analysis of imaging features associated with plaque vulnerability.
  • Discussion of clinical implications and emerging applications.

Main Results:

  • MR imaging can differentiate various carotid plaque components, including high-risk features.
  • Specific plaque characteristics on MR imaging correlate with increased risk of adverse events.
  • Emerging research highlights the link between vulnerable plaques and cryptogenic strokes.

Conclusions:

  • MR imaging provides critical insights into carotid plaque vulnerability.
  • Understanding these features can improve stroke risk stratification.
  • MR imaging may influence future treatment strategies for carotid artery disease.

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