Vessel Wall Magnetic Resonance Imaging in Cerebrovascular Diseases
Federico Mazzacane1,2, Valentina Mazzoleni3,4, Elisa Scola5
1Department of Emergency Neurology and Stroke Unit, IRCCS Mondino Foundation, 27100 Pavia, Italy.
Insights
Vessel wall magnetic resonance imaging (VW-MRI) enhances diagnosis of cerebrovascular diseases by visualizing intracranial artery walls. This technique aids in differentiating vessel pathologies and assessing stroke risks.
Area of Science:
- Neurology
- Radiology
- Cardiovascular Imaging
Background:
- Cerebrovascular diseases are a major global cause of death and disability.
- Accurate stroke etiology diagnosis is crucial for prognosis and treatment.
- Routine imaging struggles to visualize intracranial artery walls and their pathologies.
Purpose of the Study:
- To highlight the clinical utility of Vessel Wall Magnetic Resonance Imaging (VW-MRI) in diagnosing intracranial arterial diseases.
- To demonstrate VW-MRI's role in differentiating atherosclerotic and non-atherosclerotic vasculopathies.
- To explore VW-MRI's application in risk stratification for intracranial atherosclerotic lesions and aneurysm rupture.
Main Methods:
- Utilizes high-resolution, multiparametric MRI sequences for direct visualization of intracranial artery walls.
- Employs advanced imaging to detect pathological alterations in vessel walls.
- Focuses on diagnostic capabilities in acute cerebrovascular conditions.
Main Results:
- VW-MRI enables direct visualization and characterization of intracranial artery wall pathology.
- The technique proves valuable in distinguishing between atherosclerotic and non-atherosclerotic intracranial vasculopathies.
- VW-MRI aids in assessing the risk of rupture for intracranial aneurysms and stratifying atherosclerotic lesions.
Conclusions:
- VW-MRI offers significant clinical applications in managing acute cerebrovascular diseases.
- It improves the differential diagnosis of intracranial arterial pathologies.
- Further large-scale studies are needed to integrate VW-MRI into routine clinical practice.
Abstract:
Cerebrovascular diseases are a leading cause of disability and death worldwide. The definition of stroke etiology is mandatory to predict outcome and guide therapeutic decisions. The diagnosis of pathological processes involving intracranial arteries is especially challenging, and the visualization of intracranial arteries' vessel walls is not possible with routine imaging techniques. Vessel wall magnetic resonance imaging (VW-MRI) uses high-resolution, multiparametric MRI sequences to directly visualize intracranial arteries walls and their pathological alterations, allowing a better characterization of their pathology. VW-MRI demonstrated a wide range of clinical applications in acute cerebrovascular disease. Above all, it can be of great utility in the differential diagnosis of atherosclerotic and non-atherosclerotic intracranial vasculopathies. Additionally, it can be useful in the risk stratification of intracranial atherosclerotic lesions and to assess the risk of rupture of intracranial aneurysms. Recent advances in MRI technology made it more available, but larger studies are still needed to maximize its use in daily clinical practice.
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