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Year : 2021  |  Volume : 26  |  Issue : 1  |  Page : 128

Comparison of susceptibility weighted imaging with conventional MRI sequences in multiple sclerosis plaque assessment: A cross-sectional study

1 Department of Radiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Neurology, Isfahan Neurosciences Research Centre, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3 Students Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran

Correspondence Address:
Mahshid Bahrami
Department of Radiology,School of Medicine, Kashani Teaching Hospital, Isfahan University of Medical Sciences,Isfahan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jrms.JRMS_726_17

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Background: The current study was performed to compare susceptibility-weighted imaging (SWI) with magnetic resonance imaging (MRI) methods of T2-weighted (T2W) and fluid-attenuated inversion recovery (FLAIR) imaging in multiple sclerosis (MS) plaque assessment. Materials and Methods: This cross-sectional study was conducted among 50 MS patients referred to Shafa Imaging Center, Isfahan, Iran. Patients who fulfilled McDonald criteria and were diagnosed with MS by a professional neurologist at least 1 year before the study initiation were included in the study. Eligible patients underwent brain scans using SWI, T2W imaging, and FLAIR. Plaques' number and volume were detected separately for each imaging sequence. Moreover, identified lesions in SWI sequence were evaluated in terms of iron deposition and central veins. Results: Totally 50 patients (10 males and 40 females) with a mean age of 28.48 ± 5.25 years were included in the current study. Majority of patients (60%) had a disease duration of >5 years, and mean expanded disability status score was 2.56 ± 1.32. There was no significant difference between different imaging modalities in terms of plaques' number and volume (P > 0.05). It was also found that there was a high correlation between SWI and conventional imaging techniques of T2W (r = 0.97, 0.91, P < 0.001) and FLAIR (r = 0.99, 0.99, P < 0.001) in the estimation of both the number and volume of plaques (P < 0.001). Conclusion: The results of the present study indicated that SWI and conventional MRI sequences have similar efficiency for plaque assessment in MS patients.

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