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Updated: Aug 25, 2026

A Magnetic Resonance Imaging Protocol for Stroke Onset Time Estimation in Permanent Cerebral Ischemia
Published on: September 16, 2017
MRI in internal carotid artery dissection
M Savoiardo1, M Grisoli, F Girotti
1Divisione di Neuroradiologia, Istituto Nazionale Neurologico C. Besta, Milano.
Abstract:
We report two cases of internal carotid artery dissection in which MRI unequivocally demonstrated the intramural hematoma. We propose that, whenever the clinical presentation or the angiogram suggest arterial dissection, MRI be done to confirm the diagnosis.
Insights
Magnetic resonance imaging (MRI) clearly showed intramural hematoma in two internal carotid artery dissection cases. MRI is recommended for diagnosing arterial dissection when clinical signs or angiograms are suggestive.
Area of Science:
- Neurology
- Radiology
- Vascular Medicine
Background:
- Internal carotid artery dissection is a significant cause of stroke in younger individuals.
- Diagnosis can be challenging, often relying on clinical suspicion and conventional angiography.
Observation:
- Two cases of internal carotid artery dissection were analyzed.
- Magnetic resonance imaging (MRI) was utilized for diagnostic evaluation.
Findings:
- MRI unequivocally demonstrated intramural hematoma in both cases of internal carotid artery dissection.
- The findings highlight MRI's capability in visualizing the specific pathology of dissection.
Implications:
- This study suggests MRI as a definitive diagnostic tool for internal carotid artery dissection.
- Implementing MRI in suspected cases can lead to earlier and more accurate diagnosis, potentially improving patient outcomes.
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