Imaging primary progressive multiple sclerosis: The contribution of structural, metabolic, and functional MRI techniques

Research output: Contribution to journalArticle

Abstract

Patients with primary progressive multiple sclerosis (PPMS) typically experience a progressive disease course from onset, leading to the accumulation of severe neurological disability. This is in contrast with the observation that the burden and activity of lesions on conventional magnetic resonance imaging (MRI) scans of the brain are much lower in patients with PPMS than in those with other less disabling forms of the disease. Studies with structural and functional MRI techniques are providing relevant contributions to the understanding of the mechanisms underlying the accumulation of irreversible neurological deficits in patients with PPMS. The results of these studies underpin that the main factors possibly explaining the clinical/MRI discrepancy observed in patients with PPMS include the presence of a diffuse tissue damage that is beyond the resolution of conventional imaging, the extent of cervical cord damage, and the impairment of the adaptive capacity of the cortex to limit the functional consequences of subcortical pathology.

Original languageEnglish
JournalMultiple Sclerosis Journal
Volume10
Issue numberSUPPL. 1
Publication statusPublished - Jun 2004

Keywords

  • Diffusion tensor MRI
  • Fucntional MRI
  • Magnetic resonance imaging (MRI)
  • Primary progressive multiple sclerosis (PPMS)
  • Proton MR spectroscopy

ASJC Scopus subject areas

  • Clinical Neurology

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