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https://doi.org/10.4103/bmfj.bmfj_166_18
Copy DOIJournal: Benha Medical Journal | Publication Date: Jan 1, 2018 |
Background and aim Gray matter atrophy is significantly correlated with both physical and cognitive disability in patients with multiple sclerosis (MS). Patients and methods The study was conducted on 40 patients with definite relapsing-remitting MS according to McDonald criteria. All patients were subjected to conventional MRI [T2 and fluid-attenuated inversion recovery (FLAIR) sequences] and double inversion recovery (DIR) sequence to assess their sensitivity for detecting gray matter lesions in patients with MS. Results Comparative studies between serial MRI sequences revealed highly significant increase in detected number of white matter lesions in FLAIR and DIR-MRI sequences (P=0.0007). Comparative studies also revealed a nonsignificant difference in detection rate in all 3 MRI sequences (P>0.05). Moreover, there were significant increases in detected number of gray matter lesions in DIR-MRI sequences (P=0.021) and a highly significant increase in detection rate in DIR-MRI sequences compared with T2 and FLAIR-MRI sequences (P Conclusion DIR is a valuable MRI sequence in imaging of MS because of the following: (a) it showed better delineation between the white matter, the gray matter, and the MS lesions owing to its high image contrast measurements; (b) it detected more MS lesions compared with T2WI and FLAIR sequences in all anatomic locations; (c) it revealed more periventricular and juxta-cortical MS lesions, which are characteristic of MS; and (d) it detected more intracortical lesions as well, which should be considered in all patients with MS.
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