Courtesy of Intermountain Medical Imaging, Boise, Idaho.
Figure 1 shows an angiogram (a type of X-ray) of a normal neck artery (carotid artery) with smooth walls. Figure 2 shows a carotid artery that is narrowed by a substance called plaque that builds up in the artery.
Current as of: May 1, 2026
Author: WebMD Ignite Staff
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