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Updated: Jul 19, 2026

Visualization of Amyloid β Deposits in the Human Brain with Matrix-assisted Laser Desorption/Ionization Imaging Mass Spectrometry
09:31

Visualization of Amyloid β Deposits in the Human Brain with Matrix-assisted Laser Desorption/Ionization Imaging Mass Spectrometry

Published on: March 7, 2019

[Sporadic cerebral amyloidotic angiopathy]

L Cabrejo1, P Chassagne, J Doucet

  • 1Département de Neurologie, CHU de Rouen. Luciecabrejo@hotmail.com

Revue Neurologique
|November 7, 2006
PubMed

Insights

Cerebral amyloid angiopathy (CAA) is common in older adults and can cause brain hemorrhages. Early diagnosis using MRI in demented patients is crucial for preventing bleeding, especially during anticoagulation therapy.

Area of Science:

  • Neuropathology
  • Vascular Neurology
  • Geriatrics

Context:

  • Sporadic cerebral amyloid angiopathy (CAA) affects over 30% of individuals over 85.
  • CAA is characterized by microangiopathy and associated with lobar, cortical, or cerebellar hemorrhages.
  • Dementia, often preceding hemorrhage, is present in 25-40% of CAA cases.

Purpose:

  • To review prevalence, risk factors, and diagnostic criteria for CAA-related intracranial hemorrhages.
  • To discuss diagnostic strategies and preventive measures for CAA.
  • To highlight the importance of identifying CAA in elderly patients with dementia and atrial fibrillation undergoing anticoagulation.

Summary:

  • CAA diagnosis involves Boston criteria, with clinical signs including recurrent hemorrhages and dementia.
  • Brain MRI can detect microbleeding, aiding in CAA diagnosis and hemorrhage risk assessment.
  • Identifying CAA in elderly demented patients is vital for managing anticoagulation therapy and preventing bleeds.

Impact:

  • This review aids clinicians in diagnosing and managing CAA, particularly in at-risk elderly populations.
  • Understanding CAA prevalence and risk factors can inform preventive strategies.
  • Identifying CAA in patients on anticoagulation can reduce intracranial hemorrhage risk.
Abstract

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