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Related Experiment Video

Updated: May 30, 2026

Measurement of Tumor T2* Relaxation Times after Iron Oxide Nanoparticle Administration

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Published on: May 19, 2023

Heart and liver T2 assessment for iron overload using different software programs.

Juliano L Fernandes¹, Erika Fontana Sampaio, Monica Verissimo

¹University of Campinas, Unicamp, Campinas, Brazil. jlaraf@fcm.unicamp.br

European Radiology

|August 16, 2011

Summary

This summary is machine-generated.

Three software programs for calculating T2 values in iron overload showed excellent agreement for heart and liver measurements. This indicates that MRI-based iron assessments are interchangeable across these tools, improving widespread interpretation.

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Area of Science:

Medical Imaging
Radiology
Cardiology

Background:

Magnetic resonance imaging (MRI) is crucial for assessing iron overload.
Standardized post-processing methods for T2 value calculation are needed.
Previous comparisons of T2 quantification software are lacking.

Purpose of the Study:

To evaluate agreement and interchangeability of T2 value calculations.
To compare three different software programs for T2 quantification.
To assess iron concentration classification consistency.

Main Methods:

Analyzed T2 images from 60 patients with thalassaemia major.
Utilized the truncation method across three distinct software programs.
Employed Pearson correlation and Bland-Altman plots for agreement analysis.

Main Results:

Significant correlations (P < 0.001) were found for heart and liver T2 values across all software.
Bland-Altman analysis showed minimal mean differences and narrow limits of agreement for liver T2.
No significant differences in clinical classification of iron levels were observed between software programs.

Conclusions:

The software programs demonstrate high agreement for heart and liver T2 values.
Interpretation of T2 data for iron overload is interchangeable among the tested software.
Widespread adoption of MRI for iron overload assessment is facilitated by these consistent methods.