Abstract
Digital subtraction angiography (DSA) is still considered the gold standard in neurovascular imaging. However, due to permanent progress in the field of cross-sectional imaging modalities many questions can be answered with these less invasive methods. The following article gives an overview of the principles of computed tomography angiography (CTA) and magnetic resonance angiography (MRA) and demonstrates the growing importance in the diagnosis and follow-up of intracranial aneurysms.
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