Cerebral Amyloid Angiopathy: Advances in the Field

A special issue of Brain Sciences (ISSN 2076-3425). This special issue belongs to the section "Neurosurgery and Neuroanatomy".

Deadline for manuscript submissions: 20 April 2026 | Viewed by 407

Special Issue Editors


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Guest Editor
Department of Neuroradiology, University Hospital Schleswig-Holstein, Campus Lübeck, 23538 Lübeck, Germany
Interests: neuroradiology; stroke; cerebral amyloid angiopathy; cerebral small vessel disease; cerebral hemorrhage; biomarkers; MRI; CT

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Guest Editor
Department of Clinical Neurosciences, Fondazione I.R.C.C.S., Istituto Neurologico Carlo Besta, Milan, Italy
Interests: cerebral amyloid angiopathy; clinical neurology; neurological diseases; neurodegeneration; neuroimaging

Special Issue Information

Dear Colleagues,

The Background and History of This Topic:

Cerebral amyloid angiopathy (CAA) is a frequent condition in the elderly, recognized as the leading cause of lobar haemorrhages, and, over time, the spectrum of clinical manifestations associated with CAA has expanded beyond haemorrhagic events to include cognitive decline, transient focal neurological episodes (TFNEs), microinfarcts, and white matter damage. Additionally, asymptomatic presentations, inflammatory forms (CAA-related inflammation—CAA-ri), hereditary variants, and iatrogenic CAA have been described, highlighting the complexity and heterogeneity of the disease. The close relationship between CAA and Alzheimer’s disease has also gained increasing attention, given the shared pathological substrate of amyloid deposition.

The Aim and Scope of this Special Issue:

This Special Issue aims to comprehensively explore CAA in all its forms, including its clinical, radiological, and pathological aspects. Special emphasis will be placed on diagnostic parameters — both established and emerging — while insights into the broader context of diseases overlapping with CAA are also welcome. Contributions that advance the understanding of pathophysiology, therapeutic strategies, and clinical outcomes are highly encouraged.

Cutting-Edge Research:

Recent research has focused on expanding diagnostic tools beyond traditional imaging, with CSF, blood biomarkers, and PET imaging gaining prominence. The recognition of inflammatory and hereditary subtypes, as well as iatrogenic forms, represents a cutting-edge development, highlighting the necessity for refined diagnostic criteria and targeted therapeutic approaches.

What Kind of Papers are Solicited:

We seek to submission of original research articles, comprehensive reviews, detailed case reports, and commentaries that contribute to the knowledge of CAA. Contributions can address diagnostic innovations, pathophysiological mechanisms, therapeutic interventions, disease progression, and outcome predictors. Studies exploring experimental biomarkers or novel imaging techniques are particularly welcome.

Dr. Ulf Jensen-Kondering
Dr. Benedetta Storti
Guest Editors

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Keywords

  • cerebral amyloid angiopathy
  • cerebral small vessel disease
  • cerebral hemorrhage
  • vascular dementia
  • stroke
  • amyloid
  • CAA-ri
  • iatrogenic CAA

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Published Papers (1 paper)

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8 pages, 404 KiB  
Brief Report
Cerebral Microbleeds with a Venous Connection on 3 Tesla Susceptibility-Weighted Imaging in Persons with Alzheimer’s Disease and Healthy Aging Controls
by Ulf Jensen-Kondering, Veronique Kuhn, Hannes Schacht, Alexander Neumann, Georg Royl and Peter Schramm
Brain Sci. 2025, 15(8), 851; https://doi.org/10.3390/brainsci15080851 - 10 Aug 2025
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Abstract
Introduction: It has been recently demonstrated that some cerebral microbleeds (CMBs) are connected to cerebral veins in patients with cerebral small vessel disease (CSVD) including cerebral amyloid angiopathy (CAA). We sought to demonstrate the presence of CMB at 3 Tesla using susceptibility-weighted [...] Read more.
Introduction: It has been recently demonstrated that some cerebral microbleeds (CMBs) are connected to cerebral veins in patients with cerebral small vessel disease (CSVD) including cerebral amyloid angiopathy (CAA). We sought to demonstrate the presence of CMB at 3 Tesla using susceptibility-weighted imaging and speculated that it was more prevalent in persons with Alzheimer’s disease (AD), another amyloid-related disease, than in healthy ageing controls. Material and Methods: We included persons from the publicly available OASIS3-database. Persons were included if they had a structural MRI including a susceptibility-weighted sequence (SWI) and relevant clinical data. Two raters assessed the presence and location of CMBs and CMBs with a venous connection (CMBven). Results: A total of 571 persons (AD, n = 140, healthy controls, n = 431) were included. In total, 367 CMBs were detected, encompassing 26/571 persons (4.5%) who had a total of 40/367 (10.9%) CMBs with a CMBven, though there was no difference between persons with AD and healthy controls (AD 6.6%, healthy controls 7.4%, p = 0.773). Persons with CMBven had a higher total CMB load, were more likely female, displayed an APOE ε2/2 genotype and had antithrombotic treatment more often. Logistic regression revealed a higher number of CMB (OR (95% CI) = 1.351 (1.161–1.688), p < 0.0014) and a lower MoCA score (OR (95% CI) = 0.862 (0.762–0.982), p = 0.018), indicating a statistically significant association with the presence of CMBven. Discussion: CMBven are not an uncommon finding in persons with AD and healthy ageing controls. Our results highlight the potential venous contribution to CSVD. Histopathological studies will be needed to assess these further. Full article
(This article belongs to the Special Issue Cerebral Amyloid Angiopathy: Advances in the Field)
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