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Volume 340:815-816 March 11, 1999 Number 10
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Detection of Liver Masses with Spiral Computed Tomography

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To the Editor: A recently developed technique, spiral computed tomographic (CT) scanning, may be particularly useful in the identification of liver masses. Data indicate that hepatocellular carcinomas and other liver masses with a predominantly arterial blood supply are best detected during the arterial phase of contrast enhancement, which occurs between 20 and 40 seconds after the administration of intravenous contrast material.1,2 Spiral CT scanning represents a technological advance and is the result of improvements in the efficiency of x-ray detection and continuous rotation of the x-ray tube. With spiral CT, an entire set of images of the liver can be . . . [Full Text of this Article]

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