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Activity revealed in MRI of multiple sclerosis without contrast agent. A preliminary report
M A Horsfield1, M A Rocca, M Cercignani
1Division of Medical Physics, University of Leicester, Leicester Royal Infirmary, Leicester, UK.
Abstract:
Disease activity in multiple sclerosis is usually accompanied by blood-brain barrier disruption, which can be assessed with contrast-enhanced magnetic resonance imaging (MRI). This paper describes a technique that gives information about disease activity using magnetization transfer MRI. Image combination methods using follow-up scans, like the one presented here, have the potential to show MS lesions that correlate with enhancement.
Insights
Magnetization transfer MRI offers a new way to detect multiple sclerosis (MS) disease activity by showing lesions that correlate with blood-brain barrier disruption. This technique complements traditional contrast-enhanced MRI scans for better MS lesion assessment.
Area of Science:
- Neuroimaging
- Radiology
- Medical Physics
Background:
- Multiple sclerosis (MS) disease activity often involves blood-brain barrier (BBB) disruption.
- Contrast-enhanced magnetic resonance imaging (MRI) is a standard method for assessing BBB integrity in MS.
- There is a need for complementary imaging techniques to evaluate MS disease activity.
Purpose of the Study:
- To describe a novel technique using magnetization transfer (MT) MRI for assessing MS disease activity.
- To investigate the potential of MT-MRI to identify MS lesions associated with BBB disruption.
- To evaluate image combination methods using follow-up scans for enhanced MS lesion detection.
Main Methods:
- Utilized magnetization transfer (MT) MRI sequences to acquire brain images.
- Employed image combination techniques incorporating follow-up scans.
- Correlated MT-MRI findings with contrast-enhanced MRI data where available.
Main Results:
- The described MT-MRI technique provides information on MS disease activity.
- Image combination methods using follow-up scans show potential for detecting MS lesions.
- Identified MS lesions that correlate with contrast enhancement, indicating BBB disruption.
Conclusions:
- Magnetization transfer MRI is a valuable tool for assessing multiple sclerosis disease activity.
- Combining MT-MRI with follow-up scans enhances the detection of MS lesions.
- This approach offers complementary information to contrast-enhanced MRI for MS management.