Cerebral Angiography
Alternate Names : Angiography - Head, Carotid Angiogram, Vertebral Angiogram
Definition The arteries are not normally seen in an X-ray, so a contrast dye is injected into one or more arteries to make them visible. For the cerebral angiography, the contrast dye is injected into one or both of the carotid and/or vertebral arteries that are in the neck.
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Why is the Test Performed?
The test is most frequently used to confirm cases of stroke, tumor, bulging of the artery walls, a clot, a narrowing of the arteries, and to evaluate the arteries of the head and neck before a corrective surgery. It is used to get more exact information after something abnormal has been detected by an MRI or CT scan of the head such as bleeding within the brain.
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