http://brainavm.oci.utoronto.ca/malformations/Carotid_stenosis_index.htm This is a image showing carotid stenosis. Carotid stenosis is narrowing of the carotid arteries. These are the main arteries that supply blood to the brain. Carotid artery stenosis is also known as carotid artery disease. This is the most common form of stroke. This narrowing is caused by a build up of plaque in the inner lining of the artery. To diagnosis this a doctor may hear abnormal sounds when listening to the artery. It can also be diagnosed by using US, CT, or MRI. This can be treated by a surgical procedure called a carotid endartectomy. It removes the plaque causing the stenosis. A carotid angioplasty could also be performed. It uses balloons or stents to open the vessel.
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