Magnetization transfer imaging in multiple sclerosis treated with alemtuzumab

Autor: Tom Button, K Hunter, Daniel J. Tozer, Catherine M. Dalton, Alasdair Coles, David Miller, Alastair Compston, Daniel R. Altmann
Rok vydání: 2012
Předmět:
Zdroj: Multiple Sclerosis Journal. 19:241-244
ISSN: 1477-0970
1352-4585
Popis: The magnetization transfer ratio reflects the integrity of tissue structure, including myelination and axonal density. Mean magnetization transfer ratio fell in 18 untreated patients with multiple sclerosis both in normal appearing grey (-0.25 pu/year, p < 0.001) and white matter (-0.12 pu/year, p = 0.004). Conversely, mean magnetization transfer ratio was stable in 20 alemtuzumab-treated patients (grey matter: -0.01 pu/year, p = 0.87; white matter: -0.02 pu/year, p = 0.51). The gradient difference in grey matter was 0.25 pu/year (p < 0.001) after age-adjustment. These data suggest that in multiple sclerosis alemtuzumab protects against tissue damage in normal-appearing grey matter, perhaps by preventing new lesion formation.
Databáze: OpenAIRE