I. Metz1
C. F. Lucchinetti1
J. Mandrekar1
B. J. Erickson1
K. Thomsen1
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Atypical imaging features of multiple sclerosis lesions include size >2 cm, mass effect, oedema and/or ring enhancement. This constellation is often referred to as 'tumefactive multiple sclerosis'. Previous series emphasize their unifocal and clinically isolated nature, however, evolution of these lesions is not well defined. Biopsy may be required for(More)
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