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SWI enhances vein detection using gadolinium in multiple sclerosis.

par Maggi, Pietro ;Mazzoni, Lorenzo N;Moretti, Marco;Grammatico, Matteo;Chiti, Stefano;Massacesi, Luca
Référence Acta radiologica open, 4, 3, page (2047981614560938)
Publication Publié, 2015-03

Article révisé par les pairs

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Résumé :

Susceptibility weighted imaging (SWI) combined with the FLAIR sequence provides the ability to depict in vivo the perivenous location of inflammatory demyelinating lesions - one of the most specific pathologic features of multiple sclerosis (MS). In addition, in MS white matter (WM) lesions, gadolinium-based contrast media (CM) can increase vein signal loss on SWI. This report focuses on two cases of WM inflammatory lesions enhancing on SWI images after CM injection. In these lesions in fact the CM increased the contrast between the parenchyma and the central vein allowing as well, in one of the two cases, the detection of a vein not visible on the same SWI sequence acquired before CM injection.