PMC5465274_01
Computed tomography angiography. Dissection of the left vertebral artery with irregular lumen and stenosis (arrow) compare with normal right vertebral artery (arrowhead).
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F1
The patient is a 44-year-old female, with a medical history of migraines, mild arterial hypertension, and a left vertebral artery dissection in 2014, without brain infarction (Figures 1 and 2).
Sagittal computed tomography angiography showing stenosis on V3.
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F2
The patient is a 44-year-old female, with a medical history of migraines, mild arterial hypertension, and a left vertebral artery dissection in 2014, without brain infarction (Figures 1 and 2).
Computed tomography angiography. Dissection of the left internal carotid artery with flaps (white arrow) compare with normal right internal carotid artery (arrowhead). No abnormalities on the left vertebral artery are seen on this study.
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F3
A computed tomography angiography (CTA) showed left internal carotid artery dissection extended between the upper cervical and supraclinoid segments (Figures 3 and 4).
Coronal images. Dissection of the left internal carotid artery with multiple flaps showed as lineal hypodensities in the lumen.
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F4
A computed tomography angiography (CTA) showed left internal carotid artery dissection extended between the upper cervical and supraclinoid segments (Figures 3 and 4).