PMC7177021_01
Digital subtraction angiography of case 1, lateral view of the left internal carotid artery. Two stenosis are seen.
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F1
Figures 1, 2 show a digital subtraction angiography of the stenosis before and after dilatation.
The same artery after balloon dilatation.
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F2
Figures 1, 2 show a digital subtraction angiography of the stenosis before and after dilatation.
PMC7177021_02
PMC7177021_03
Ischemic lesion in the left hemisphere distributed in the watershed area in case number 3. This indicates an embolic source or compromised flow in the left internal carotid artery.
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F3
An MRI revealed ischemic lesions in the watershed areas in the left hemisphere (Figure 3).
This is the stenotic lesion in the internal carotid artery in case number 3.
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F4
Figure 4 illustrates the characteristic stenotic lesion.
PMC7177021_04