Color-map recommendation for MR relaxometry maps

Miha Fuderer*, Barbara Wichtmann, Fabio Crameri, Nandita M. de Souza, Bettina Baeßler, Vikas Gulani, Meiyun Wang, Dirk Poot, Sebastian Weingärtner, More Authors

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

Purpose
To harmonize the use of color for MR relaxometry maps and therefore recommend the use of specific color-maps for representing T1, T2, and T2* maps and their inverses.

Methods
Perceptually linearized color-maps were chosen to have similar color settings as those proposed by Griswold et al. in 2018. A Delphi process, polling the opinion of a panel of 81 experts, was used to generate consensus on the suitability of these maps.

Results
Consensus was reached on the suitability of the logarithm-processed Lipari color-map for T1 and the logarithm-processed Navia color-map for T2 and T2*. There was consensus on color bars being mandatory and on the use of a specific value indicating “invalidity.” There was no consensus on whether the ranges should be fixed per anatomy.

Conclusion
The authors recommend the use of the logarithm-processed Lipari color-map for displaying quantitative T1 maps and R1 maps; likewise, the authors recommend the logarithm-processed Navia color-map for displaying T2, T2*, R2, and R2* maps.

This work originated with the Quantitative MR Study Group of the International Society of Magnetic Resonance in Medicine (ISMRM); it has the approval of the Publication Committee and of the Board of the ISMRM.
Original languageEnglish
Article number30290
Pages (from-to)490-506
Number of pages17
JournalMagnetic Resonance in Medicine
Volume93
Issue number2
DOIs
Publication statusPublished - 2024

Keywords

  • color
  • display
  • quantitative MR
  • relaxation
  • standardization

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