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Vascular Imaging: Computed Tomographic Angiography, Magnetic Resonance Angiography, and Ultrasound
Computed Tomographic Angiography Computed tomographic angiography (CTA) is a relatively rapid, thin-section, volumetric, helical CT technique performed with a time-optimized bolus of contrast medium to enhance visualization of the cerebral circulation. This approach may be tailored to illustrate various segments…