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What is a brain cta scan?

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CTA: CTA stands for computed tomography angiogram. It is a type of CT scan that allows to get a detailed images of the brain arteries. It requires an IV administration of a contrast agent. Scan takes only a few moments and except for the IV, painless.

Answered 4/1/2016

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Dr. Michael Korona answered

Specializes in Radiology - Interventional

Ct scan: of the head which looks at several things. Usually CTA involves a non contrast CT of the head, a CT perfusion scan, a CTA of the brain and a post contrast CT of the head. CTA times the imaging, after contrast injection, to see blood vessels best. Perfusion scan looks for strokes. Non contrast scan looks for bleeding. Post contrast scan looks for masses. See radiologyinfo.org.

Answered 5/8/2015

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