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Digital subtraction angiography of the right lower leg. 2013

Nikolaos Papadakos
Department of Radiology, St George's Healthcare NHS Trust, London SW17 0QT, UK. papadakosn@gmail.com

UI MeSH Term Description Entries
D007866 Leg The inferior part of the lower extremity between the KNEE and the ANKLE. Legs
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015901 Angiography, Digital Subtraction 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. Digital Subtraction Angiography,Subtraction Angiography, Digital

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