Cited by 183Cerebrovascular and genetic disordersIntracerebral and Subarachnoid Hemorrhage ResearchNeurological Disease Mechanisms and Treatments

Incident lacunes preferentially localize to the edge of white matter hyperintensities: insights into the pathophysiology of cerebral small vessel disease

Duering, M., Csanadi, E., Gesierich, B., Jouvent, E., Herve, D., Seiler, S., Belaroussi, B., Ropele, S. +3 more·2013·Brain

Abstract

White matter hyperintensities and lacunes are among the most frequent abnormalities on brain magnetic resonance imaging. They are commonly related to cerebral small vessel disease and associated with both stroke and dementia. We examined the spatial relationships between incident lacunes and white matter hyperintensities and related these findings to information on vascular anatomy to study possible mechanistic links between the two lesion types. Two hundred and seventy-six patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), a genetically defined small vessel disease with mutations in the NOTCH3 gene were followed with magnetic resonance imaging over a total of 633 patient years. Using difference images and Jacobian maps from registered images we identified 104 incident lacunes. The majority (n = 95; 91.3%) of lacunes developed at the edge of a white matter hyperintensity whereas few lacunes were found to develop fully within (n = 6; 5.8%) or outside (n = 3; 2.9%) white matter hyperintensities. Adding information on vascular anatomy revealed that the majority of incident lacunes developed proximal to a white matter hyperintensity along the course of perforating vessels supplying the respective brain region. We further studied the spatial relationship between prevalent lacunes and white matter hyperintensities both in 365 patients with CADASIL and in 588 elderly subjects from the Austrian Stroke Prevention Study. The results were consistent with the results for incident lacunes. Lesion prevalence maps in different disease stages showed a spread of lesions towards subcortical regions in both cohorts. Our findings suggest that the mechanisms of lacunes and white matter hyperintensities are intimately connected and identify the edge of white matter hyperintensities as a predilection site for lacunes. Our observations further support and refine the concept of the white matter hyperintensity penumbra.

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Crossref · 10.1093/brain/awt184

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  • WMHs manifest as regions of increased diffusivity in DTI and likely reflect the tip of the iceberg of underlying microstructural white matter changes: subtle white matter degeneration, detectable at first only with DTI, may gradually increase before becoming visible as macroscopic WMHs, which in turn give rise to lacunes.

    “WMHs manifest as regions of increased diffusivity in DTI and likely reflect the tip of the iceberg of underlying microstructural white matter changes: subtle white matter degeneration, detectable at first only with DTI, may gradually increase before becoming visible as macroscopic WMHs (Pelletier et al., 2015), which in turn give rise to lacunes (Duering et al., 2013).”

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Authors
Duering, M., Csanadi, E., Gesierich, B., Jouvent, E., Herve, D., Seiler, S., Belaroussi, B., Ropele, S., Schmidt, R., Chabriat, H., & Dichgans, M.
Affiliations
  • LMU Klinikum (DE)
  • Medical University of Graz (AT)
  • Assistance Publique – Hôpitaux de Paris (FR)
  • German Center for Neurodegenerative Diseases (DE)
Venue
Brain
Published
2013-07-17
Volume
136
Issue
9
Pages
2717-2726
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2106430568
Cited by
183
References
47
Citations by year
2026: 10 · 2025: 11 · 2024: 13 · 2023: 13 · 2022: 21 · 2021: 10 · 2020: 15 · 2019: 12 · 2018: 20 · 2017: 17 · 2016: 18 · 2015: 13 · 2014: 9 · 2013: 1
FWCI
8.68
Type
journal article
Language
en
Open access
closed
Locations
  • Brain (publishedVersion)
  • PubMed (publishedVersion)
  • DZNE Pub (submittedVersion)
Funders
  • Austrian Science Fund (P20103)
  • Deutsches Zentrum für Neurodegenerative Erkrankungen
  • Assistance publique-Hôpitaux de Paris
  • Stiftung zur Erforschung der Vaskulären Demenz
Topics
  • Health Sciences › Medicine › Neurology › Cerebrovascular and genetic disorders
  • Health Sciences › Medicine › Neurology › Intracerebral and Subarachnoid Hemorrhage Research
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
lacunes, white matter hyperintensities, cerebral small vessel disease, CADASIL, Notch3, perforating vessels, lesion localization, lesion spread, stroke, dementia, vascular anatomy
MeSH terms
Receptor, Notch3, Adult, Aged, Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Nerve Fibers, Myelinated, Cohort Studies, Disease Progression, CADASIL, Receptors, Notch, Young Adult, Leukoencephalopathies, Stroke, Lacunar

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