Cited by 296Multiple Sclerosis Research StudiesAdvanced MRI Techniques and ApplicationsPolyomavirus and related diseases

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Gadolinium-based MRI characterization of leptomeningeal inflammation in multiple sclerosis

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Abstract

OBJECTIVE: To determine the frequency and nature of leptomeningeal contrast enhancement in multiple sclerosis (MS) via in vivo 3-tesla postcontrast T2-weighted, fluid-attenuated inversion recovery (FLAIR) MRI and 7-tesla postmortem MRI-pathology correlation. METHODS: Brain MRI, using the postcontrast T2-weighted, FLAIR technique, was prospectively collected in 299 MS cases and 37 age-matched neurologically healthy controls. Expert raters evaluated focal gadolinium enhancement in the leptomeningeal compartment. Two progressive MS cases came to autopsy after in vivo MRI characterization. Pathologic and immunohistochemical examination assessed the association of enhancement with leptomeningeal inflammation and adjacent cortical demyelination. RESULTS: Focal contrast enhancement was detected in the leptomeningeal compartment in 74 of 299 MS cases (25%) vs 1 of 37 neurologically healthy controls (2.7%; p = 0.001). Enhancement was nearly twice as frequent (p = 0.009) in progressive MS (39/118 cases, 33%) as in relapsing-remitting MS (35/181, 19%). Enhancing foci generally remained stable throughout the evaluation period (up to 5.5 years). Pathology showed perivascular lymphocytic and mononuclear infiltration in the enhancing areas in association with flanking subpial cortical demyelination. CONCLUSION: Leptomeningeal contrast enhancement occurs frequently in MS and is a noninvasive, in vivo marker of inflammation and associated subpial demyelination. It might therefore enable testing of new treatments aimed at eliminating this inflammation and potentially arresting progressive MS.

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Metadata

Authors
Absinta, M., Vuolo, L., Rao, A., Nair, G., Sati, P., Cortese, I. C. M., Ohayon, J., Fenton, K., Reyes-Mantilla, M. I., Maric, D., Calabresi, P. A., Butman, J. A., Pardo, C. A., & Reich, D. S.
Affiliations
  • National Institutes of Health (US)
  • From the Translational Neuroradiology Unit (M.A., L.V., A.R., G.N., P.S., D.S.R.), Neuroimmunology Clinic (I.C.M.C., J.O., K.F.), and Flow Cytometry Core Facility (D.M.), National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD; Neuroimaging Research Unit (M.A.), Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan; Department of Neurology and Radiology (L.V.), University of Florence, Italy;...
Venue
Neurology
Published
2015-07-07
Volume
85
Issue
1
Pages
18-28
ISSN
  • 0028-3878 (ISSN-L)
  • 1526-632X
OpenAlex
W2169159041
Cited by
296
References
36
Citations by year
2026: 8 · 2025: 16 · 2024: 32 · 2023: 30 · 2022: 27 · 2021: 32 · 2020: 32 · 2019: 31 · 2018: 28 · 2017: 27 · 2016: 26 · 2015: 6
FWCI
23.03
Type
journal article
Language
en
Open access
Locations
  • Neurology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke
Topics
  • Health Sciences › Medicine › Clinical Neurology › Multiple Sclerosis Research Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Health Sciences › Medicine › Oncology › Polyomavirus and related diseases
Keywords
multiple sclerosis, leptomeningeal inflammation, gadolinium-enhancing lesions, progressive multiple sclerosis, relapsing-remitting multiple sclerosis, perivascular lymphocytic infiltrate, cortical demyelination, MRI-pathology correlation, 7T MRI
MeSH terms
Gadolinium, Humans, Magnetic Resonance Imaging, Meninges, Meningitis, Multiple Sclerosis, Relapsing-Remitting

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