http://link.springer.de/link/service/journals/10072/bibs/1022002/10220195.htm
Neurological Sciences
Abstract Volume 22 Issue 2 (2001)
pp 195-200
M. Filippi
Neuroimaging Research Unit, Department
of Neuroscience, Scientific Institute Ospedale San Raffaele, Via Olgettina
60, I-20132 Milan, Italy
Abstract.
In multiple sclerosis (MS), conventional
magnetic resonance imaging (MRI) has proved to be sensitive for detecting
lesions and their changes over time.
However, conventional MRI cannot
characterize and quantify the tissue damage within and outside such lesions.
Other quantitative MR techniques,
including MR spectroscopy (MRS), magnetization transfer imaging (MIT) and
diffusion-weighted imaging (DWI) have the potential to overcome this limitation
and, as a consequence, to provide complementary information to conventional
MRI.
MIT- and DWI-derived measurements
quantify the structural changes occurring within and outside lesions seen
on conventional MRI scans, and MRS adds information on the biochemical
nature of such changes.
The application of these MR techniques
to the study of MS is dramatically increasing our understanding of how
MS causes irreversible deficits, and it is likely to provide useful insights
into the pathophysiology of other white matter diseases in the future.
The present review summarizes the
major contributions made by these three MR techniques in the understanding
of MS evolution.
© Springer-Verlag Italia 2001