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digital subtraction angiography |
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digital subtraction angiography (DSA), a method in which radiographic images of blood vessels filled with contrast material are digitized and then subtracted from images obtained before administration of the material. The method increases the contrast between the vessels and the background. digital subtraction angiography Radiology A diagnostic technique that uses video equipment and computers to enhance images obtained with conventional angiography How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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