Spontaneous internal carotid artery pseudoaneurysm complicated with ischemic stroke in a young man: A case report and review of literature

Figure 1 Ultrasonography and contrast-enhanced ultrasound of the carotid artery. A: Conventional carotid artery ultrasonography showing a connection of the mass with the left internal carotid artery (ICA); B: Contrast-enhanced ultrasound of the carotid artery showing contrast agent filling in the distended area of the left ICA, but no enhancement in the low echo area of the mural.