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Enhancing Patterns in Multiple Sclerosis: Evolution and Persistence

Juan Hea, Robert I. GrossmanGo,a, Yulin Gea and Lois J. Mannona

a From the Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104-4283.



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  		FIG 1. Patient 14. Secondary progressive MS. Axial contrast-enhanced T1-weighted MR image (600/27/1 [TR/TE/excitation]).

A, No enhanced lesion can be seen on image 6 months prior to follow-up.

B, A new, nodular, enhanced MS lesion appears 6 months later.

C, After 6 months, the pattern of nodular enhancement converts to a ringlike pattern.

D, After another 6 months, the ringlike, enhanced lesion cannot be seen.



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  		FIG 2. Patient 17. Relapsing-remitting MS. Axial contrast-enhanced T1-weighted MR image (600/27/1).

A, Two new nodular, enhanced MS lesions.

B, After 4.5 months, the nodular, enhanced lesions disappear.





Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X