Dynamic Computed Tomography of the Brain
Dynamic computed tomography (CT) studies of the brain are based on a rapid intravenous bolus injection of radiographic contrast material immediately followed by serial CT scans (1–3). The recycling times for this technique are 1 sec or less. Dynamic studies,which are relatively non-invasive, add considerable information to the static cerebral scan as it is presently performed. The resulting time-density patterns fall into several categories. These patterns are described and typical examples of each are shown.
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