Evaluation of the 'ring sign' and the 'core sign' as a magnetic resonance imaging marker of disease activity and progression in clinically isolated syndrome and early multiple sclerosis.

12 Our data, which includes a follow-up of up to 4.6 years did not show an enlargement of ‘ring sign’ lesions over time, but in contrast to ‘core sign’ lesions, ‘ring sign’ lesions did not shrink and showed a trend towards more enlargement compared to other lesions.

also in 53,322 other papers