A Diffusion Longitudinal MR Imaging Study in Normal-Appearing White Matter in Untreated Relapsing-Remitting Multiple Sclerosis
F.G. Garacia,
V. Colangeloa,
A. Ludovicia,
F. Gaudielloa,
S. Marzialia,
D. Centonzeb,
L. Boffab,
G. Simonettia and
R. Florisa
a Department of Diagnostic Imaging and Interventional Radiology, University of Tor Vergata, Rome, Italy
b Department of Neuroscience, University of Tor Vergata, Rome, Italy

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Fig 1. Example of ROIs of approximately 50 mm2 placed over the NAWM of the centrum semiovale and then superimposed on the ADC maps.
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Fig 2. Comparison of relapsing versus remitting versus control patients (mean ADC: 801 x 106 mm2/s ± 27; 760 x 106 mm2/s ± 43; 699 x 106 mm2/s ± 36 in relapsing, remitting, and controls respectively). Asterisk indicates P < .01 versus controls; number symbol, P < .05 versus remitting.
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Fig 3. Mean ADC values comparison of patient groups with different EDSS scores and controls (ADC: EDSS <2 versus EDSS 2, 748 ± 38 versus 787 ± 36 x 106 mm2/s; controls, 699 x 106 mm2/s ± 36). Asterisk indicates P < .01 versus controls.
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Fig 4. Comparison between patients participating in the longitudinal study during their relapsing and their remitting phase (mean ADC: relapsing, 787 ± 34; remitting, 737 ± 26 x 106 mm2/s; P < .01).
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