computed tomography angiography

(CTA) a minimally invasive form of angiography in which contrast material is injected intravenously through a small needle or cannula and precise, detailed images of the vascular system are produced by computed tomography. It has numerous applications including screening, diagnosis, and planning for surgery.

Computed tomography angiography used for selective imaging of the cerebral blood vessels.


Medical dictionary. 2011.

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