Evaluation of four injection profiles for uniform contrast-enhanced signal intensity profiles in MR angiography.

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Summary of "Evaluation of four injection profiles for uniform contrast-enhanced signal intensity profiles in MR angiography."

Gadolinium concentration variation during acquisition of contrast-enhanced MR angiography (CE-MRA) may lead to artifacts.


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This article was published in the following journal.

Name: Journal of magnetic resonance imaging : JMRI
ISSN: 1522-2586


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Medical and Biotech [MESH] Definitions

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.

Substances used to allow enhanced visualization of tissues.

Radiography of the bronchial tree after injection of a contrast medium.

Radiography of blood vessels after injection of a contrast medium.

Radiography of the heart and great vessels after injection of a contrast medium.

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