PMC5226045_01
Computed tomography angiogram and digital subtraction angiogram demonstrating an occluded right common carotid artery and flow through the right internal carotid artery.
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Computed tomography angiography (CTA) revealed a completely occluded right CCA (Figure 1). Aortic arch and cerebral digital subtraction angiography (DSA) was also performed (Figure 1).
Duplex ultrasound demonstrating retrograde flow through the right external carotid artery that supplies antegrade flow to the right internal carotid artery.
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Duplex ultrasound demonstrated antegrade flow in the right ICA supplied by retrograde flow through the right external carotid artery (ECA) as well as a hard calcific plaque with soft thrombus proximally in the CCA (Figure 2).
Intraoperative photo of the opened common carotid artery revealing a hard calcific plaque with soft thrombus.
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She proceeded to a right common carotid endarterectomy where a heavily calcified occlusive plaque was found with organised thrombus just proximal to it (Figure 3).