Nico Sollmann, Miha Fuderer, Fabio Crameri, Sebastian Weingärtner, Bettina Baeßler, Vikas Gulani, Kathryn E Keenan, Stefano Mandija, Xavier Golay, Nandita M deSouza
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Color Maps: Facilitating the Clinical Impact of Quantitative MRI.
Presenting quantitative data using non-standardized color maps potentially results in unrecognized misinterpretation of data. Clinically meaningful color maps should intuitively and inclusively represent data without misleading interpretation. Uniformity of the color gradient for color maps is critically important. Maximal color and lightness contrast, readability for color vision-impaired individuals, and recognizability of the color scheme are highly desirable features. This article describes the use of color maps in five key quantitative MRI techniques: relaxometry, diffusion-weighted imaging (DWI), dynamic contrast-enhanced (DCE)-MRI, MR elastography (MRE), and water-fat MRI. Current display practice of color maps is reviewed and shortcomings against desirable features are highlighted. EVIDENCE LEVEL: 5 TECHNICAL EFFICACY: Stage 2.
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