oa CME : Your SA Journal of CPD - Occlusive extracranial cerebrovascular disease : diagnosis and current management concepts

Volume 27, Issue 7
  • ISSN : 0256-2170



In order to fully understand the clinical presentation and concepts of management of occlusive extracranial cerebrovascular disease, a working knowledge of the relevant anatomy is helpful.

There are four major vessels supplying the brain - two internal carotids and two vertebrals. This constitutes the anterior and posterior circulation. The first branch of the internal carotid is the ophthalmic which supplies the eye via its retinal branch. The internal carotid then continues on to the temporoparietal region of the brain as the middle cerebral artery. The temporoparietal lobe provides motor and sensory function to the opposite side of the body. The dominant hemisphere, which is usually the left in right-handed people, and vice versa, contains the speech centre, known as Broca's area.

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