Angiography, Digital Subtraction

"Angiography, Digital Subtraction" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.
MeSH information
A method of delineating blood vessels by subtracting a tissue background image from an image of tissue plus intravascular contrast material that attenuates the X-ray photons. The background image is determined from a digitized image taken a few moments before injection of the contrast material. The resulting angiogram is a high-contrast image of the vessel. This subtraction technique allows extraction of a high-intensity signal from the superimposed background information. The image is thus the result of the differential absorption of X-rays by different tissues.


Publications
This graph shows the total number of publications written about "Angiography, Digital Subtraction" by people in this website by year, and whether "Angiography, Digital Subtraction" was a major or minor topic of these publications.
Bar chart showing 53 publications over 14 distinct years, with a maximum of 22 publications in 2017
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