PMC10323257_01
CTA coronal section showing midbasilar stenosis due to dissection.
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A CT angiogram (CTA) of the head and neck (Figures 1, 2) showed a long segment of moderate stenosis in the mid-basilar artery, with a sudden decrease in caliber by 50% over a 9-mm length.
CTA sagittal section showing midbasilar stenosis due to dissection.
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A CT angiogram (CTA) of the head and neck (Figures 1, 2) showed a long segment of moderate stenosis in the mid-basilar artery, with a sudden decrease in caliber by 50% over a 9-mm length.
CTA showing normal cerebral arteries.
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Of note, the CTA was also used to rule out reversible cerebral vasoconstriction syndrome, as there was no evidence of cerebral vasoconstriction, as shown in Figure 3.
CTA coronal section 24 days post-diagnosis.
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At this point, his neurologist recommended that he visit the ED, where a CTA was conducted and showed improvement in the originally seen BAD without any evidence of progression (Figure 4, 5).
CTA sagittal section 24 days post-diagnosis.
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At this point, his neurologist recommended that he visit the ED, where a CTA was conducted and showed improvement in the originally seen BAD without any evidence of progression (Figure 4, 5).
CTA coronal section taken at 3-months post-diagnosis.
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At his 3-month post-discharge visit, the patient had a repeat CTA, as originally planned, which showed no significant residual irregularity or narrowing of the basilar artery (Figure 6, 7).
CTA sagittal section taken at 3-months post-diagnosis.
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At his 3-month post-discharge visit, the patient had a repeat CTA, as originally planned, which showed no significant residual irregularity or narrowing of the basilar artery (Figure 6, 7).