Comparison of Syn T2-FLAIR and Syn DIR with conventional T2-FLAIR in displaying white matter hyperintensities in migraine patients

Zhen-Zhen Liu ¹, Hai-Yang Yu ², Yuan-Hui Li ¹

⁰Department of Radiology, the Third Affiliated Hospital of Sun Yat-Sen University, No. 600 Tianhe Road, Guangzhou, 510630, People's Republic of China.

Neuroradiology +

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October 21, 2024

View abstract on PubMed

Summary

Synthetic MRI sequences, Syn T2-FLAIR and Syn DIR, offer clearer and more sensitive detection of white matter hyperintensities (WMHs) in young migraine patients compared to conventional MRI. These advanced techniques improve visualization, particularly in deep and juxtacortical white matter regions.

Area Of Science

Neuroradiology
Neuroimaging
Medical Imaging Analysis

Background

Young migraine patients frequently exhibit white matter hyperintensities (WMHs) visible on magnetic resonance imaging (MRI).
The diagnostic utility of conventional MRI sequences for detecting WMHs in this population can be limited.
Investigating advanced MRI techniques is crucial for improving WMH detection.

Purpose Of The Study

To evaluate the clarity and sensitivity of synthetic (Syn) T2-FLAIR and Syn double inversion recovery (DIR) sequences in detecting WMHs.
To compare the performance of Syn T2-FLAIR and Syn DIR against conventional T2-FLAIR in young migraine patients.

Main Methods

Prospective analysis of conventional MRI and Syn MRI data from 50 young migraine patients.
WMHs were systematically recorded in periventricular, deep white matter, and juxtacortical regions.
Quantitative and qualitative comparisons of lesion detection and boundary clarity across the three MRI sequences.

Main Results

Syn T2-FLAIR and Syn DIR demonstrated significantly clearer visualization of WMHs than conventional T2-FLAIR (P < 0.001).
Both Syn T2-FLAIR and Syn DIR detected more WMHs in deep white matter compared to conventional T2-FLAIR (P < 0.001, P = 0.006).
Syn T2-FLAIR identified the highest number of juxtacortical WMHs, surpassing Syn DIR and conventional T2-FLAIR (P < 0.001).

Conclusions

Synthetic T2-FLAIR and Syn DIR sequences provide enhanced clarity and sensitivity for detecting WMHs in young migraine patients.
These advanced sequences are particularly effective in revealing WMHs in deep and juxtacortical white matter areas.
Syn T2-FLAIR and Syn DIR represent valuable tools for improving the assessment of WMHs in migraine.

Keywords:

Conventional MRI DIR Migraine Synthetic MRI White matter hyperintensity

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