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June 6, 2026Metallomics

Advanced methodological framework for speciation analysis of gadolinium in skin tissue following MRI contrast agent exposure

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Authors

TMTorben J. MaasCFCécile FactorISIzabela Strzeminska

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Overview

Randomized trial reports residual gadolinium analysis in skin tissue after contrast agent exposure, indicating new insights for safety evaluation.

Key Points

  • This research aims to establish a method for the quantitative analysis of gadolinium species in skin tissue following contrast agent exposure from MRIs.
  • Developed method involves bead beating for tissue homogenization and a three-step centrifugation for sample extraction.
  • Utilization of polyethersulfone filter material for effective recovery of gadolinium-based contrast agents.
  • Quantitative analysis executed using anion exchange chromatography coupled with inductively coupled plasma-mass spectrometry.
  • About 25% of residual gadolinium in skin tissue was found in the aqueous extract one month post-injection.
  • Speciation analysis confirmed that most of the water-soluble gadolinium was the intact administered contrast agent.
  • Complete recovery of macrocyclic contrast agents was achieved using europium chelates as internal standards.

Cite This Study

Maas et al. (2026) studied this question.

synapsesocial.com/papers/6a23bc2a71a5da9775e77838https://doi.org/10.1093/mtomcs/mfag018
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