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September 10, 2025European Radiology ExperimentalOpen Access

MRI R2* and quantitative susceptibility mapping in brain tissue with extreme iron overload

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Authors

CBChristoph BirklMPMarlene PanzerCKChristian Kames

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Overview

Observational analysis assesses R2* and QSM methods in brain iron overload, indicating algorithm choice significantly impacts measurement accuracy.

Key Points

  • R2* and QSM values showed significant variability across different algorithms used in the study.
  • Whole-brain referencing in QSM produced lower susceptibility values compared to cerebrospinal fluid referencing.
  • The analysis utilized a three-dimensional multiecho gradient-echo sequence to assess brain iron levels in patients with ACP.
  • Reference region selection and algorithm choice were critical in determining measurement accuracy under extreme iron overload conditions.

Cite This Study

Birkl et al. (2025) studied this question.

synapsesocial.com/papers/68c24317b210217d647a54f0https://doi.org/10.1186/s41747-025-00622-w
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