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http://dx.doi.org/10.5762/KAIS.2018.19.7.239

Usefulness of High Resolution MRI in Confirmation of Mechanism:A Case Report  

Hur, Wook (Department of Neurology, Chosun University School of Medicine)
Kang, Hyun Goo (Department of Neurology, Chosun University School of Medicine)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.7, 2018 , pp. 239-244 More about this Journal
Abstract
Both arterial dissection and atherosclerosis are major causes of cerebral infarction and appear to be occlusion or stenosis in magnetic resonance angiography(MRA) and computed tomographic angiography(CTA). But there are differences in treatment because they have different mechanisms. Recently, as high resolution magnetic resonance image(HR-MRI) develops, the image of blood vessel wall can be confirmed non-invasively. Though HR-MRI has become a very useful method for patients with suspected arterial dissection, differential diagnosis of the two diseases has not yet been fully established due to differences in the findings according to stages of arterial dissection and atherosclerosis. We investigated the differences between vertebral artery dissection and atherosclerosis through HR-MRI in two patients and confirmed the diagnosis by CTA follow-up. In addition to the previously established diagnostic criteria, we determined that the long and severe stenosis and recanalization suggest arterial dissection. Characteristics of arterial dissection confirmed by HR-MR and additional studies will be helpful for the treatment.
Keywords
Atherosclerosis; High Resolution Magnetic resonance image; Ischemic stroke; Vertebral artery dissection; Vessel wall;
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