Quantitative Diffusion Measurements in Focal Multiple Sclerosis Lesions
Correlations with Appearance on TI-Weighted MR Images
Annette O. Nusbaum1,
Dongfeng Lu1,
Cheuk Y. Tang1 and
Scott W. Atlas1,2
1
Department of Radiology, Mount Sinai School of Medicine, One Gustave L. Levy
PI., New York, NY 10029.
2
Present address: Department of Radiology, Rm. S-047, Stanford University
Medical Center, 300 Pasteur Dr., Stanford, CA.

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Fig. 1. 35-year-old woman with multiple sclerosis. Axial T1-weighted MR
image shows left parietal focal lesions in periventricular white matter that
were categorized as hypointense (solid arrow) because signal
intensity is visibly lower than that of normal gray matter. Note other lesions
that were categorized as isointense (open arrow) because signal
intensity was isointense to that of normal gray matter.
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